Transducers Quiz

1. Following stability parameter is considered while selecting a transducer

A. Surrounding temperature
B. Surrounding humidity
C. Surrounding moisture
D. above all


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D. above all

2. Following stability parameter is considered while selecting a transducer

A. change in temperature
B. change in pressure
C. change in viscosity of fluid
D. above all


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D. above all

3. Following is the mechanical characteristic of transducer

A. shape of transducer
B. size of transducer
C. weight of transducer
D. above all


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D. above all

4. Following electrical parameter is considered while selecting a transducer

A. Linearity of transducer
B. Repeatability of transducer
C. Dynamic response of the transducer
D. Above all


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D. above all

5. Following electrical parameter is considered while selecting a transducer

A. Capacitance to voltage conversion
B. Resistance to voltage conversion
C. Current to voltage conversion
D. Above all


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D. above all

6. Following electrca1 parameter is considered while selecting a transducer

A. Analog or digital output required
B. Ac or DC excitation availability
C. Availability of signal conditioner
D. Above all


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D. above all

7. Following electrical parameter is considered while selecting a transducer

A. Input impedance of transducer
B. Output impedance of transducer
C. Requirement of filter or amplifier etc
D. Above all


Click for Answer

D. above all

8.Following is the selcction criteria for transducer

A. Stability consideration
B. active transuctance
C. Primary transducer failure
D. secondary transducer compatibility


Click for Answer

A. Stability consideration

9. Following is the selection criteria for transducer

A. hign quality LVDT
B. operating range
C. Low quality LVDT
D. use of secondary transducer


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B. operating range

10. Following is the selection criteria for transducer

A. Passive transduction
B. Active transduction
C. Operating range
D. Digital transductance


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C. Operating range

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Operational Amplifier Basic Quiz

1. Linear integrated circuits are used in application

A. Audio and Radio communication
B. Medical electronics
C. Instrumentation control
D. Above all

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D. Above all

2. The terminal with negative sign in Op-AMP is known as

A. Inverting input
B. Non Inverting input
C. Active input
D. Passive input

Click for answer 

A. Inverting input

3. OP-AMP is available in following IC package

A. The flat package
B. The dual in line package (DIP)
C. The metal can or transistor pack
D. above all

Click for answer 

D. above all

4. Typical Op-Amp package have following number of terminals/Pins

A. 8
B. 10
C. 14
D. above all

Click for answer 

D. above all

5. The Motorola notations for OP-AMP is

A. NS 741
B. LM 741
C. SN 52741
D. MC 1741


Click for Answer

D. MC 1741

6. The National Semiconductor notations for OP-AMP is

A. NS741
B. LM741
C. MC 1741
D. SN 52741


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D. SN 52741

7. The signetics notations for OP-AMP is

A. SN 52741
B. NS 741
C. NS 741
D. MC 1741


Click for Answer

B. NS 741

8. First input stage of OP-AMP is

A. Dual input emitter follower
B. Dual input unbalanced output
C. Dual input balanced output
D. Dual input level shifter


Click for Answer

C. Dual input balanced output

9. Second stage of OP-AMP is

A. Dual input unbalanced output
B. Dual input balanced output
C. Dual input currentairnplifier
D. Dual ihput voltage amplifier with frequency compensation


Click for Answer

D. Dual ihput voltage amplifier with frequency compensation

10. Third stage of OP-AMP is

A. Emitter follower
B. Level shifter
C. Constant current source
D. Constant voltage source


Click for Answer

B. Level shifterQuestion Bank -XXX

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Communication Engineering Quiz

1. Channel bandwidth of each channel in GSM system is

A. 250 KHz
B. 200 KHz
C. 225 KHz
D. 175 KHz


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B. 200 KHz

2. Channel bandwidth of each channel in CDMA system is

A. 1050 KHz
B. 950 KHz
C. 1250 KHz
D. 850 KHz


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C. 1250 KHz

3. Multiple access technique used in GSM system is

A. T-FDMA
B. CDMA
C. FDMA
D. TDMA


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D. TDMA

4. The multiple access technology used in IS-95 system is

A. TDMA
B. CDMA
C. FDMA
D. None of above


Click for Answer

B. CDMA

5. Modulation technique used in GSM system is

A. FSK
B. ASK
C. GMSK
D. PSK


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C. GMSK

6. Modulation technique used in IS-95, CDMA system is

A. ASK
B. FSK
C. BPSK/QPSK
D. QAM


Click for Answer

C. BPSK/QPSK

7. Data Rate possible using GSM system is

A. 500 kbps
B. 700.833 Kbps
C. 933.833 kbps
D. 270.833 kbps


Click for Answer

D. 270.833 kbps

8. Data rate possible using IS-95 CDMA system is

A. 100 kbps
B. 200 kbps
C. 300 kbps
D. 9.6 to 14.4 kbps


Click for Answer

D. 9.6 to 14.4 kbps

9. One frame period in GSM system is

A. 19.615 ms
B. 12.615 ms
C. 4.615 ms
D. 8.615 ms


Click for Answer

C. 4.615 ms

10. One frame period in IS-95 CDMA system is

A. 60 ms
B. 20 ms
C. 40 ms
D. 80 ms


Click for Answer

B. 20 ms

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Digital Electronics Quiz

1. D- flip flop can be used as _________________.

A. A delay switch
B. Differentiator
C. Divider Circuit
D. All of the above

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A. A delay switch

2. The _________________ gates are known as "Universal Gates".

A. NAND and NOR
B. NAND and AND
C. AND and OR
D. EX-NOR and EX-OR

Click for answer 

A. NAND and NOR

3. Which of the following circuits selects one of the n data inputs and routes it to the output?

A. Flip-Flop
B. Multiplexer
C. Demultiplexer
D. Decoder

Click for answer 

B. Multiplexer

4. How many bytes does a 48K computer memory contain ?

A. 49152
B. 48000
C. 48152
D. 47152

Click for answer 

A. 49152

5. The refreshing range of dynamic RAMs is in the range of _____________.

A. 2 milliseconds
B. 2 milliseconds
C. 50 milliseconds
D. 500 milliseconds

Click for answer 

A. 2 milliseconds

6. IC 7408 represents

A. 2-input AND Gate
B. 3-input AND Gate
C. 2-input OR Gate
D. 2-input NAND Gate

Click for answer

A. 2-input AND Gate

7. In Integrated circuit technologies, LSI stands for

A. Very Large Scale Integration
B. Large Scale Integration
C. Large Symbolic Integration
D. Long Size Integration

Click for answer

B. Large Scale Integration

8. SIPO stands for

A. Shift register input and parallel output
B. Sequential input and processed output
C. Serial input parallel output
D. Sequential input and parity output

Click for answer 

C. Serial input parallel output

9. PIPO mode needs following clock pulses to load a 6-bit number into a register

A. 1
B. 2
C. 3
D. 4

Click for answer 

A. 1

10. In shift register 8 bit binary number is to be shifted into 8 Flip-Flop shift register, following number of clock pulses will be required to complete this operation

A. 4
B. 8
C. 16
D. 32

Click for answer 

D. 32

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Logic Gates Quiz

1.An AND gate will function as OR if

A. either of the inputs is “1”
B. all the inputs and outputs are complemented.
C. all the inputs are ‘0’
D. all the inputs to the gates are “1”

Click for answer

B. all the inputs and outputs are complemented.

2. The number of inputs and outputs in a full adder are

A. 2 and 1
B. 2 and 2
C. 3 and 2
D. 3 and 3

Click for answer

C. 3 and 2

3. Which device has one input and many outputs

A. flip flop
B. multiplexer
C. demultiplexer
D. counter

Click for answer

C. demultiplexer

4. An OR gate has 6 inputs. The number of input words in its truth table are

A. 6
B. 32
C. 64
D. 128


Click for answer

C. 64

5. A flip flop is a ____________

A. memory element.
B. logical element
C. arithmetic element
D. combinational circuit

Click for answer

A. memory element

6.In case of OR gate, no matter what the number of inputs, a

A. 0 any input causes the output to be at logic 0
B. 0 at any input causes the output to be at logic 1.
C. 1 at any input causes the output to be at logic 0
D. 1 at any input causes the output to be at logic 1

Click for answer 

D.1 at any input causes the output to be at logic 1

7.Which one of the following is a universal gate

A. NAND gate
B. AND Gate
C. OR Gate
D. EX-OR Gate

Click for answer 

A. NAND gate

8.Identify the logic gate given below.

A. OR gate
B. NOR Gate
C. NAND Gate
D. EX- NOR gate

Click for answer 

D. EX- NOR gate

9. A Flip flop can store__________.

A. 1 bit
B. 2 bits
C. 4 bits
D. 8 bits (1 byte)

Click for answer 

A. 1 bit

10. CRO is a

A. Cathode Ray Oscillator
B. Cathode Ray Oscilloscope
C. Capacitor-Resistor Oscillator
D. Capacitor-Resistor Output

Click for answer 

B. Cathode Ray Oscilloscope

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