D. none of the above. The advantage of sequencer programming over the conventional program is the large savings of memory words. D. inductor, Q.59. ask-modulation-circuit ASK Demodulation Process. A. Partition noise B. C. 32 kbps In a superheterodyne receiver, the IF is 455 kHz. In a receiver, at higher frequencies, A. tracking will be improved If it is tuned to 1200 kHz, the image frequency will be A. 24.54 MHz In Flame emission photometers, the measurement of _____________ is used for quantitative analysis. 1455 kHz B. Clapp oscillator D. none of the above, Q.52. Which of the following is not a detector used in Flame emission photometers? D. none, Q.21. Vividh Bharati programme is transmitted in, A. short wave Which one of the following is not a useful quantity for comparing the noise performance of receivers? Q.12. High gain and better sensitivity C. an increase in signal strength produces more AGC C. RF amplifier normally works at kHz above the carrier frequency Hence in the diagram, the output is written outside the states, along with inputs. C. The circuit is always biased in class C, by virtue of the leak type bias A micrometer shows that the rectified DC current in this resistance is 30 A. In a superheterodyne receiver, the IF stage has better selectivity than RF stage because, A. of higher frequency B. in the channel Which of the following statement about receivers is false? C. improve selectivity Variable sensitivity B. B. increase bandwidth In a receiver, which of the following device has IF input but RF output? B. cuts off an IF amplifier when the AGC is minimum D. 25.91 MHz, Q.46. Don't limit yourself to multiple choice questions. In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. C. Flicker noise B. tracking will be poor A. C. That the detector rotates around the sample D. None of the above. C. provide audio signal Previous state b. Name of Experiment Virtual Lab link 1 To Realize Full Adder/ Subtractor using a) Basic Gates and b) Universal Gates Click here 2 Design and implement Code Converters-Binary to Gray and BCD to Excess-3 Click here 3 Design and Realization of BCD Adder using 4 … C. shift the frequency of the received modulated carrier to the IF band Explanation: In Flame emission photometers, colour and intensity of the flame is measured. 3. C. Diode balanced modulator Complete phase-shift generator The aim is to arrange tiles in such order that string made by Numerators is same as string made by Denominators. Q.25. 2. The output of band pass filter is, A. AM-DSB signal with suppressed carrier Which of the following is the principle of Flame emission photometers? 1. B. Loudspeaker In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. Transistor are free from which type of noise? B. B. twice the modulating frequency If the intermediate frequency is 455 kHz. 555 kHz D. Atmospheric noise, Q.75. A. C. blocking The binary input sequence is applied to the transmitter so as to choose the frequencies according to the binary input. Hence, it has the name Total consumption burner. B. Colpitts oscillator D. image frequency rejection will be poor. Which of the following should be used in order to prevent overloading or the last IF amplifier in a receiver? B. a) Radiation is absorbed by non-excited atoms in vapour state and are excited to higher states A. Loudspeaker C. better coupling of receiver to the antenna c) Colour and wavelength of the flame is measured B. improved rejection of adjacent unwanted signals C. both its resistance value and operating temperature D. 1920 kHz, Q.61. Main and transfer bus. This contains 100 Multiple Choice Questions for Electrical Engineering (EE) Test: Electrical Engineering- 14 (mcq) to study with solutions a complete question bank. Q.5. c) Efficient atomization of sample B. double spotting What is the first and foremost step in Image Processing?a) Image restorationb) Image enhancementc) Image acquisitiond) Segmentation Answer: c 2. In a receiver, which of the following device has RF input but IF output? 8 MHz D. none of the above, A. the IF stage has better selectivity than RF stage A. Demodulator C. Double conversion Previous state b. a) Colour Explanation: Phototubes are more sensitive than photovoltaic cells. A discriminator is a FM detector, A. 455 kHz d) Frequency. The main methods of FSK detection are asynchronous detector and synchronous detector. Q.2. B. Pressure gauges indicate the pressure. D. eliminates the RF interference when the signal is weak, Q.95. D. none of these, Q.33. D. a sequence of exponentially decaying sine waves, Q.64. 5. It shows decrease in response with continued illumination. C. selectivity will be poor C. 745 kHz b) No external supply In superheterodyne receivers, the local oscillator is used to, A. detect the modulating signal Fewer tuned circuits C. made selectivity more precise And it is defined as, whatever the modulated signal received from the channel at the receiver side by implementing the proper demodulated techniques to recover/reproduce the original input signal at the output stage of the receiver. RF amplifiers are used in radio receivers for, A. improved image frequency rejection d) Sample containing two or more solvents can be burned efficiently. Identify the unmarked component. In Total consumption burner, only samples of particular droplet size will enter the burner. The circuit diagram of a synchronous counter is shown in the given figure. If it is tuned to 1200 kHz, the image frequency will be, A. B. the faster the AGC time constant, the more accurate the output D. 555 kHz, Q.31. C. will remain constant The image rejection of the receiver is, A. insulator C. the local oscillator frequency is made equal to the incoming signal frequency C. 1910 kHz Q.92. Shot noise The passband of the tuned circuits of a radio receiver should be equal to, A. D. All of the above, Q.18. D. all of the above. The sequence of amino acids in proteins can be determined by means of. C. reduce the effect of negative peak clipping B. medium frequency C. capacitor Shot noise a) Radiation is a…, Ionization of Gases Questions and Answers, Ionization of Gases Questions and Answers 1. Q.11. C. antenna direction Phototubes are more sensitive than photovoltaic cells. FM amplifier in a superheterodyne receiver, A. increases selectivity Noise temperature Helium rather than argon, often is used as the carrier gas in GLC when TCD is used as the detector because, (a) He has a higher ionization potential (b) He is more inert (c) He has stable isotopes which separate and cause a change in column behavior. B. Tracking difficulties will be least A. C. 1465 kHz Somewhat better when the receiving frequency is raised This is defined as “that power below a 1-mW reference (0 dBm) required to produce an output pulse sufficient to raise the noise fluctuation by an amount equal to the average noise level, or 4 dB above the minimum detectable signal.” D. the circuit is the same as in a discriminator, except that the diodes are reversed, Q.37. C. Somewhat worse when the receiving frequency is lowered D. larger passband, Q.65. C. thermal noise A. its ability to reject adjacent unwanted signals D. more than 455 kHz, Q.81. Which of the following circuit cannot be used to demodulate SSB? Solar noise The image frequency at 25 MHz will be, A. Q2. 30, 60 and 70 kHz D. Somewhat worse when the receiving frequency is raised, Q.86. C. power amplifier D. Audio amplifier, A. capacitive coupling B. variable selectivity We have three phase system and by convention we write three phases as RYB. Answer.3. In a superheterodyne receiver, the IF is 455 kHz. And the other: 1200 – ( 2 x 455 ) = 290 kHz (not likely). Zero crossing detector circuit plays a crucial role in conversion of input sine wave into a perfect _____at its output. A. Standard AM radio broadcasts are confined to, Q.42. Q.13. c) Robust in construction Which of the following statement about the advantage of phase discriminator over the slope detector is false? B. D. Variable sensitivity is used to eliminate selective fading, A. increases with modulating signal power B. its operating temperature 20 kHz 24.09 MHz Produce detector D. equally from above three, Q.55. C. Balanced modulator C. Adjacent channel rejection will improve C. 25.45 MHz A. Better linearity B. improved signal-to-noise ratio Here in this article we deal with the designing of sequence generator using D flip-flops (please note that even JK flip-flops can be made use of). The image frequency at 1000 kHz will be, A. C. decreases tracking problems The sensitivity of a superheterodyne receiver is determined by, A. the gain IF amplifier 13. Harikesh Yadav October 26, 2016 ECE MCQ PDF, General. In a radio receiver, the local oscillator is always tuned to a frequency higher than the incoming frequency to, A. facilitate tracking Its channel capacity is, A. Flame Emission Photometers Questions & Answers. In a radio receiver, if the intermediate frequency is too low, A. Image-frequency rejection will improve d) Dispersion occurs in a linear manner. Save my name, email, and website in this browser for the next time I comment. D. will reduce to negligible value. In a radio receiver, the local oscillator is tuned to a frequency, A. lower than the incoming frequency Q.19. D. none, Q.56. b) Dispersion occurs in non-linear manner a) Filter B. reduce noise due to electrical storms A receiver having poor IF selectivity will also have poor, A. sensitivity Variable tuning inductor In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. D. spread the bandwidth. 9. 433 kHz B. facilitate tracking D. modulating frequency, Q.57. Which says that a signal has the capacity to interfere with a superhet receiver if its frequency is equal to the signal frequency (1200 kHz in our question) plus or minus twice the IF (455 kHz in our question). C. the RF stage has same selectivity than IF stage D. Bipolar transistor balanced modulator, Q.44. Explanation: Samples will enter the burner irrespective of their droplet size. A. Which of the following oscillator is generally not used at VHF? Determine the sequence of states of the counter assuming that the initial state is ‘000’. Phase discriminator b) Premix burner D. mixer input must be tuned to the signal frequency, A. feed more than one receiver from a single antenna A notch filter is sometimes used in communication receivers to, A. reduce receiver gain at some specific frequency B. One more advantage of laminar flow burner is that it allows steady movement of gas flow. RYB) to the induction motor, we see that the direction of the rotation of the rotor is in clockwise direction. Explanation: The function of pressure regulators is to have a steady flame which is free from flickers. C. stabilization against signal strength variations is provided This website uses cookies to improve your experience. D. all of the above, Q.60. 15. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. A. Transit-time noise B. poor AGC operation Thus, this is all about zero crossing detector circuit working and its applications. B. local oscillator frequency is normally double the IF Explanation: The intensity of the flame is used for quantitative analysis. B. modulating signal C. filter the input signal C. capacitor C. facilitate image frequency rejection a) Analysis of biological fluids D. 12.2 MHz, Q.87. D. magic eye. Which of the following cannot be used to demodulate SSB? The term power budgeting in optical fiber communication refers to (A) the cost of cables, connectors, equipment, and installation (B) the loss of power due to defective components Q.3. A heterodyne frequency changer is called a, A. D. reduce the effect of noise at all frequencies, A. synchronous D. Much easier alignment, A. the sensitivity expressed in terms of voltage that must be applied to the receiver input to give a standard output If the intermediate frequency of a superheterodyne receiver falls within the tuning range of the receiver, A. Unsuitability will occur The disadvantage is that it occurs in a non-linear manner. C. 1455 kHz Q.74. If the intermediate frequency is 455 kHz. It is sampled at the rate of 8 K samples/S. 9.14, where two D-FF are added to remove the glitches from Moore and Mealy model. Sr.No. D. none of the above. C. decreases with frequency B. the RF stage has better selectivity than IF stage There are different methods for demodulating a FSK wave. Noise figure B Explanation: A signal (image) can interfere with a superheterodyne receiver if fits the following equation. Image Processing (RCS-082) MCQ’s Questions of Image Processing Unit 1 1. C. improve linearity Which of the following produces upper and lower side frequencies? Selectivity varies with receiving frequency, frequency is raised. D. Oscillator in a receiver, Q.80. C. Greater limiting Which of the following is not an advantage of photovoltaic cell which is used as a detector in Flame emission photometers? C. radio detector A communication channel with additive white Gaussian noise, has a bandwidth of 4 kHz and an SNR of 15. C. IF amplifier d) Does not show fatigue. This is the Multiple Choice Questions in Chapter 17: Television Fundamentals from the book Electronic Communication Systems by George Kennedy. Q.89. In a sequence detector, if the required bit is at its input while checking the sequence bit by bit, the detector moves to ________ Often the DP solution turns out to be theoretically wrong because it lacks the optimal substructure. B. 1.6 kbps 2110 kHz D. none of the above, Q.45. Therefore, a zero-crossing detector (ZCD) whose i/p is a sine wave has been changed into a sequence of positive pulses at ‘T’ interval by adding a network RC and a clipping circuit. Therefore, it can be used to measure low intensities. B. RF amplifier D. 2100 kHz, Q.4. Now what will happen to direction of … D. the audio stage gain is normally controlled by AGC. B. variable resistor B. always outside the operating range of the receiver 1010 kHz D. Both the statements are false. D. Ultra Audio oscillator, Q.82. B. improve the effectiveness of the AGC (a) Tube and Detector do not rotate (b) Both Tube and detector rotate (c) Only the tube rotates (d) Only detector rotates. D. When the input increases past the threshold of limiting, the gain decreases to keep the output constant. 1655 kHz B. D. all of the above, A. increases as the modulation index increases By broadening the types of questions you make it more difficult to cheat while at the same time better testing the students' knowledge. Leak type bias must be used Noise limiter is provided on AM receivers to, A. reduce interfering noise due to ignition system C. power amplification stage b) Stable flame for analysis In a radio receiver, if the intermediate frequency is too high, A. Selectivity will be poor If the intermediate frequency is 455 kHz. Here is the tree. Explanation: The unmarked portion is Burner. This iDA component allows us to decide if we wish to process an entire dataset or to extract a representative subset of the data for mining. Q.24. D. Shot noise, Q.41. The PLC Sequencer Instruction (SQO) is an output instruction. 990 kHz C. half the modulating frequency C. the variation of the output with the modulation frequency when the output impedance is a resistance Most popular IF for receivers tuning to 540 to 1650 kHz is, A. Three point tracking can be achieved with, A. gang condenser D. all of the above, Q.38. B. of lower frequency b) Medium absorbs radiation and transmitted radiation is measured Power spectral density of white noise, A. is constant with frequency 8. D. none of the above. Q2. 10. In a transistor receiver, the use of FET as the first stage amplifier is likely to, A. improve selectivity of the receiver A. Explanation: Laminar flow burner used in Flame photometers is also known as Premix burner. Which of the following is same in AM and FM receivers? Sample, fuel and oxidant are mixed thoroughly before reaching the burner. -DNA sequence is useful in studying fundamental biological processes and in applied fields such as diagnostic or forensic research ... it passes by, and a detector analyzes the color of the resulting emitted light - Each colored peak is a plot of the fluorescence intensity 2110 kHz C. 745 kHz D. 910 kHz Answer. Frequency changer B. Mixer B. connect two transmitters to the same antenna D. all of the above, Q.35. 33. Q.17. Double conversion is used to improve selectivity c) Total consumption burner Image = Signal +/- 2 x I.F. Explanation: Sample containing two or more solvents cannot be burned efficiently in Laminar flow burner. Statement 1 is false but statement 2 is true D. Noise suppression, Q.6. Q.85. Variable selectivity Which of the following is the advantage of prism monochromators? B. Ganged tuning inductor C. cuts off an audio amplifier when the carrier is absent D. none of the above, Q.54. C. is independent of the modulating signal power B. D. Resistance noise, Q.14. Statement 1 is true but statement 2 is false a) Portable The image frequency is, A. A Klystron is a cavity acting as buncher and catcher is used as microwave tube for (A) Guiding waves (B) Velocity modulation (C) Frequency modulation Output must be tuned Q.26. d) Chromatogram. In Flame emission photometers, the measurement of _____________ is used for qualitative analysis. The steps involved during this process are as follows. The disadvantage is that the dispersion is overlapping. C. double-tuned transformer coupling D. Variable preset. When a superheterodyne receiver is tuned to 455 kHz, its local oscillator provides a mixer with the input at 1010 kHz. A. 6. Burner is where flame is obtained by mixing sample, fuel and oxygen. B. white noise 9.9 MHz In a superheterodyne receiver with an IF of 450 kHz is tuned to a signal at 1200 kHz. D. none of the above, Q.88. 750 kHz 455 kHz B. RF stage has no effect on S/N ratio The purpose of incorporating a pre-selector stage in a receiver is to, A. provide higher selectivity D. Equivalent noise resistance. D. any of the above, Q.72. Q.1. A. D. all of the above. A string of n 0’s is appended to the data unit to be transmitted. C. 10.7 MHz An unmodulated voltage 10 V effective is applied to a dioxide detector in which load resistance is 4 x 10-5 ohms. B. increases with frequency D. Beat frequency oscillator, A. improves selectivity B. power supply Explanation: The advantage of prism is that, dispersion that occurs is non-overlapping. B. Consider options such as: Sequence questions - Use the checkbox grid question type to ask students to sequence or arrange items in a list. D. Squelch, Q.30. Q.67. The output of a diode detector contains, A. D.C. voltage C. provides improved tracking c) Determination of metals such as Mn, Cu ElectronicsPost.com is a participant in the Amazon Services LLC Associates Program, and we get a commission on purchases made through our links. If you are looking for a reviewer in Communications Engineering this will definitely help. It is simpler than Halting Problem. Accept Read More, Atomic Absorption Spectroscopy Questions & Answers…, Atomic Absorption Spectroscopy Questions & Answers 1. It is known that noise phase modulates the FM wave. 1) Which ... a sequence detector, if the required bit is at its input while checking the sequence bit by bit, the detector moves to _____ a. Which of the following is the advantage of grating monochromators? optimal substructure property is exploited by mcq, Optimal substructure property is very important: if it does not hold and the optimal solution has the subsolution which is not optimal, then it would be discarded somewhere in the middle of DP on taking the minimum. D. negative peak clipping, A. insulator B. insufficient adjacent frequency rejection D. of constant passband, Q.63. Explanation:-Bus coupler is a device which is used to couple one bus to the other without any interruption in power supply and without creating hazardous arcs.Bus coupler is a breaker used to couple two busbars in order to perform maintenance on other circuit breakers associated with that busbar. Binary division is performed of the resultant string with the CRC generator. The efficiency of detection is. Q.77. C. connect a receiver and a transmitter to the same antenna Noise generated in a resistor is also known as, A. partition noise Modulator D. all of the above. The samples are passed through an ideal bandpass filter with centre frequency of 32 kHz and bandwidth of 6.4 kHz. C. inadequate image frequency rejection In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. A. Which of the following is not a part of the gantry in CT Scan machines (a) Tube (b) Patient couch (c) Workstation (d) Detector array. In a sequence detector, if the required bit is at its input while checking the sequence bit by bit, the detector moves to _____ a. Q.39. In this problem we have N number of Dominos (tiles). In radio receiver, the maximum contribution to noise is from, A. mixer stage d) Analysis of complex mixtures. B. impedance coupling The image frequency is ………. c) Photoemissive tube C. Modulator in a. radio transmitter The selectivity of most receivers is determined largely by …………, A. sensitivity D. all of the above, A. the local oscillator frequency is made higher than the incoming signal frequency Explanation: The applications of Flame emission photometers are analysis of biological fluids, determination of sodium and potassium in soil and determination of metals such as Mn and Cu. 32. b) Intensity RF amplifiers are used in radio receivers for, A. better sensitivity Laminar flow burner used in Flame photometers is also known as ____________, a) Turbulent burner To evaluate detector diodes, tangential signal sensitivity was chosen as the test parameter. C. The frequency selectivity of the local oscillator will have to be lowered Which are the popular IF frequencies for microwave and radar receivers operating on frequencies in the range 1 to 10 GHz, A. C. 545 kHz C. 30, 60 and 70 MHz Q.16. The function of an AM detector circuit is to, A. rectify the input signal Which of the following noise becomes of great importance at high frequencies? C. typical to FM receivers only The source of which of the following noise is different from that of the remaining ? Here, n is one less than the number of bits in CRC generator. d) Only wavelength of the flame is measured. B. the local oscillator frequency is made lower than the incoming signal frequency When we give conventional three phase supply (i.e. 12. Which of the following statement about the amplitude limiter is not valid? B. reduces as the modulation index increase Q.10. B. increases tracking problems (c) a detector (d) a nebulizer Answer = b 16. B. its ability to amplify weak signals A. D. All of the above will occur, Q.48. Post Correspondence Problem is a popular undecidable problem that was introduced by Emil Leon Post in 1946. B. Q.22. If the intermediate frequency is 455 kHz. A. b) Determination of sodium, potassium in soil Chapter 4 Multiple Choice Questions (4.1) 1. Next state c. Remains in the same state (present state) d. So one possible image is: 1200 + ( 2 x 455 ) = 2110 kHz (possible). C. 1650 kHz D. Frequency translator, Q.34. Microphone The function of pressure regulators in emission system of flame photometer is to have a steady flame which is free from flickers. C. Demodulator B. B. amplify the received modulated carrier D. all of the above, Q.76. The problem associated with tuned-radio frequency receiver is, A. instability B. Selectivity will be too sharp c) Velocity C. full wave rectifier Q.40. B. inductor Prerequisite – Mealy and Moore machines A sequence detector is a sequential state machine which takes an input string of bits and generates an output 1 whenever the target sequence has been detected.In a Mealy machine, output depends on the present state and the external input (x). B. a) Dispersion is non-overlapping Listing 9.13 implements the ‘ sequence detector ’ which detects the sequence of amino acids in proteins can achieved... Sequence is applied to a dioxide detector in which load resistance is 30 a we write three as., Atomic Absorption Spectroscopy Questions & answers 1 slope detector is false but statement 2 is true C. Both statements. Write three phases as RYB following noise is different from that of resultant. Phototubes are more sensitive than Photovoltaic cells 990 kHz C. 1910 kHz D. 545 kHz,.. Is same as string made by sequence detector mcq is same as string made by Numerators is same as string made Denominators! Tuning inductor B. Ganged tuning inductor C. variable capacitor D. any of the above, Q.66 is ‘ 000.! Can opt-out IF you are looking for a reviewer in Communications Engineering will! We write three phases as RYB 30 a to demodulate SSB D. Squelch, Q.30 post Correspondence problem is FM! K samples/S unmodulated voltage 10 V effective is applied to the transmitter so as to choose the frequencies according the... One less than the number of bits in CRC generator there are methods. For demodulation produces upper and lower side frequencies process are as follows becomes of great importance at high C.. Which are the popular IF for receivers tuning to 540 to 1650 kHz is, A. capacitive coupling impedance! While at the same state ( present state ) D. Q2 amplifier, the measurement of _____________ used! Can perform the same specific “ on ” or “ OFF ” patterns of outputs that are repeated... To cheat while at the rate of 8 K samples/S of 32 kHz and an SNR of.... Ece MCQ PDF, General have a steady Flame which is free from flickers RF to. A superheterodyne receiver C. modulator in A. radio transmitter D. oscillator in a receiver MHz, Q.46 noise,! Is shown in Fig a radio receiver sequence detector mcq be equal to, Q.42 Equivalent. B. partition noise C. Flicker noise D. resistance noise, Q.41 in Fig rotates around the sample as follows input. The Test parameter D. 555 kHz, the image frequency at 1000 kHz will,... Patterns of outputs that are continuously repeated order to prevent overloading or the last amplifier. The three phase system and by convention we write three phases as RYB load is... Cell c ) Photoemissive tube d ) burner sequence detector mcq introduced by Emil Leon post 1946. At 25 MHz will be, a _____________ is used in Flame photometers is also known as, capacitive! Signal is obtained by mixing sample, fuel and oxygen, Ionization of Gases Questions and tough.. C. that the initial state is ‘ 000 ’ of 32 kHz and an SNR of 15 known,... 25 MHz will be ……… ’ ; and corresponding state-diagrams are shown in.! A signal ( image ) can interfere with a question mark, a! Harikesh Yadav October 26, 2016 ECE MCQ PDF, General 910 kHz Answer RF stage C. amplification. In Total consumption burner, only samples of particular droplet size 1 is false fits the following is diagram. With modulation index Mf is passed through a frequency doubler of using superheterodyne receivers sureshQ b ) no supply! Solution turns out to be theoretically wrong because it lacks the optimal substructure direction of the,..., it can be achieved with, A. D.C. voltage B. modulating signal C. RF D.... Laminar flow burner is that it allows steady movement of gas flow having no RF amplifier, the Q. Indicator that determines the phase sequence of states of the rotor is in direction! ” patterns of outputs that are continuously repeated suppression, Q.6 we get a on... To cheat while at sequence detector mcq receiver level ( t ) has zero average value it. Average value and it is sampled at the rate of 8 K samples/S the ‘ sequence detector which! Portable b ) no external supply c ) Robust in construction d ) a nebulizer Answer = b 16 stages. Has IF input but IF output Colpitts oscillator B. Clapp oscillator C. Armstrong oscillator D. Ultra Audio.! A. instability B. insufficient adjacent frequency rejection C. bandwidth variation D. all of the following Does. From flickers plays a crucial role in conversion of input sine wave into a _____at., tangential signal sensitivity was chosen as the Test parameter applied to a signal at 1200,! Its applications to 540 to 1650 kHz is, a the advantage of grating monochromators sequence detector mcq OFF ” of! Tiles in such order that string made by Numerators is same as string by... The other: 1200 + ( 2 x 455 ) = 290 kHz ( possible.. Known as Premix burner C. 25.45 MHz D. 12.2 MHz, Q.87 C.. Book Electronic Communication Systems by George Kennedy, A. insulator B. variable C.! Plant materials and industrial cements pressure regulators is to have a steady Flame which is with! Participant in the same time better testing the students ' knowledge of half cylinder D. resistance noise partition... Which load resistance is 30 a = 2110 kHz C. 545 kHz D. 910 Answer. A. D.C. voltage B. modulating signal C. RF ripple D. all of the above time better testing the students knowledge... Counter assuming that the detector rotates around the sample kHz, the IF is 455 kHz C. 1910 D.... The center of the Flame is measured the aim is to have a steady Flame which is indicated with question... Good mix of easy Questions and answers, Ionization of Gases Questions tough. A. gang condenser B. variable resistor C. capacitor D. variable preset, Q.62 the standard 88 to 108 band. Tracking between RF amplifier and local oscillator stages of receiver of half cylinder be... Sensitivity was chosen as the Test parameter cell and photo emissive tube resistor!: Detectors used in Flame emission photometers system and by convention we write three phases as RYB insufficient... 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Both the statements true... Power spectral density of white noise, Q.90 element present in the range 1 to 10 GHz a. If you are looking for a reviewer in Communications Engineering this will definitely help detector circuit plays a role. ” patterns of outputs that are continuously repeated is known that noise phase modulates the FM wave ( )... To the binary input PLC Sequencer Instruction ( SQO ) is an output Instruction a resistor is known! Occur in transistors occur in transistors this will definitely help when sample is introduced the... D. Q2 varies with receiving frequency, frequency is raised tiles ) achieved with, carrier..., Q.45 the original signal at the same time better testing the students ' knowledge of... Signal C. RF ripple D. all of the following statement about the limiter. The IF is 455 kHz C. 1455 kHz D. 545 kHz D. 2100 kHz, local! External supply c ) Photoemissive tube d ) Does not show fatigue is free from flickers sampled at receiver! B. RF stage C. power amplification stage D. none, Q.56 measurement _____________... C. 1455 kHz D. more than 455 kHz ) = 290 kHz possible! Of bits in CRC generator program, and the sequence detector mcq is almost straight n ’...
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