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June 16th, 2016, 12:51 PM
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DRDO Question Paper For ECE
I want the question paper of Electronics and Communication Engineering of DRDO exam so can you provide me?
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#2
June 16th, 2016, 12:54 PM
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Re: DRDO Question Paper For ECE
As you want the question paper of Electronics and Communication Engineering of DRDO exam so here I am providing you. DRDO exam Electronics and Communication Engineering question paper Two coils in differential connection have self-inductance of 2 mH and 4 mH and a mutual inductance of 0.15 mH. The equivalent inductance of the combination is A. 5.7 mH B. 5.85 mH C. 6 mH D. 6.15 mH. Optocouplers combine A. SITs and BJTs B. IGBTs and MOSFETS C. Power transformers and silicon transistor D. Infrared light-emitting diode and a silicon phototransistor The difference between the indicated value and the true value of a quantity is known as A. Gross error B. Absolute error C. Dynamic error D. Relative error The principles of homogeneity and super-position are applied to : A. linear time variant systems B. non-linear time variant systems C. linear time invariant systems D. non-linear time invariant systems An instruction used to set the carry Flag in a computer can be classified as A. data transfer B. arithmetic C. logical D. program control The binary representation of 5.375 is A. 111.1011 B. 101.1101 C. 101.011 D. 111.001 Dislocations in materials are A. point defect B. line defect C. planer defect D. surface defects. In TV system, vertical pulses are separated out from horizontal pulses by the use of A. integrator B. differentiator C. sweep credit D. sync separator Frequency in the UHF range propagate by means of A. Ground waves B. Sky waves C. Surface waves D. Space waves. 200 MHz may be classified as A. VHF B. SHF C. UHF D. EHF A communication satellite is a repeater between A. a transmitting station and a receiving station B. a transmitting station and many receiving stations C. many transmitting stations and many receiving stations D. none of the above The power in a series R-L-C circuit will be half of that at resonance when the magnitude of the current is equal to A. V / 2R B. V / C. V / D. The efficiency of a chopper can be expected in the range A. 50 to 55 percent B. 65 to 72 percent C. 82 to 87 percent D. 92 to 99 percent Which one out of the following instruments should be used to measure 600 kV a.c. voltages? A. Hot wire instrument B. Electrostatic voltmeter C. Moving coil voltmeter D. Moving iron voltmeter. DRDO exam Electronics and Communication Engineering question paper 21. The following programme is run on an 8085 microprocessor, Memory address in Hex Instruction 2000 LXI SP, 1000 2003 PUSH H 2004 PUSH D 2005 CALL 2050 2008 POP 2050 2009 HIT As the completion of execution of the program, the program the program counter of the 8085 contains ………, and the stack pointer contains …….. 2050, OFFC 2251, OFFC 1025, OCCF 1025, OCCF 22. With reference to figure, value of VCE is 0 V 5 V -5V none of the above 23. The smallest change in sound intensity that can be detected A. 1 dB B. 3 dB C. 10 dB D. 20 dB. 24. In a generic microprocessor, instruction cycle time is A. shorter than machine cycle time B. larger than machine cycle time C. exactly double the machine cycle time D. exactly the same as the machine cycle time 25. The value of M in the end will be Do 100 I = 1, 2 DO 200 J = 1, 2 M = M + I + J 200 CONTINUE 100 CONTINUE STOP END 10 11 12 14 26. Resistivity of electrical conductors is most affected by A. temperature B. pressure C. composition D. all of the above 27. In CCIR B-system of TV, blanking pulse is placed during A. equalizing pulse B. retrace interval between each line C. retrace period of vertical line D. none of the above 28. The polarization required in ground wave propagation is A. Horizontal (linear) B. vertical (linear) C. Circular D. Elliptical 29. Multicavity Klystron A. is not a microwave device B. is not a good low level amplifier because of noise C. is not suitable to pulse operation D. has a high repeller voltage to insure small transit time 30. Transponder comprises of A. Transmitter B. Receiver C. Antenna D. a, b, c combined 31. Consider the following statements regarding the circuit shown in the given figure : 1. If the switch K is closed at a proper instant there will be no transient 2. The instant at which K is closed such that the transient is zero depends on the frequency of the supply 3. The instant at which K is closed such that the transient is zero depends on the circuit elements 4. There will always be a non-zero transient after the switch K is colosed. For more questions here is the attachment; |
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