Q1. The function of shunt in an ammeter is to
(A) bypass current
(B) increase sensitivity of meter
(C) increase resistance of meter
(D) none of above

Q2. The pointer of an indicating instrument should be
(A) very light
(B) heavy
(C) not heavy not light
(D) weight not affect

Q3. The household energy meter is
(A) recording instrument
(B) integrating instrument
(C) indicating instrument
(D) none of above

Q4. wien bridge measures basically
(A) voltage
(B) resistance
(C) frequency
(D) none

Q5. The bridge which is used to measure value of resistance below 1 ohm is
(A) wheatstone bridge
(B) kelvin bridge
(C) Maxwell bridge
(D) hay bridge

Q6. An attenuator is used with TWT in
(A) Increase gain
(B) Help bunching
(C) Prevent saturation
(D) Prevent oscillation

Q7. Which transducer convert heat eneargy into electrical eneargy
(A) L V D T
(B) Photo conductors
(C) Photo emission cell
(D) Thermocouple

Q8. Which instrument consume maximum power during measurement
(A) Hot wire instruments
(B) Thermopile instruments
(C) Electrodynomometere instruments
(D) Induction instruments

Q9. wattmeter measures
(A) apparent power
(B) reactive power
(C) real power
(D) instataneous value

Q10. maxwell bridge used for which measurement
(A) resistance
(B) frequency
(C) capacitance
(D) inductance

Q11. standardization of potentiometers is done in order that, they become
(A) accurate
(B) precise
(C) accurate and direct reading
(D) accurate and precise

Q12. To send 10% of the main current through a moving coil galvanometer of resistance 99 ? the shunt required is ????..
(A) 10
(B) 9
(C) 100
(D) 11

Q13. A dual trace CRO has ..... vertical and.......... horizontal amplifiers
(A) two,one
(B) one,two
(C) two,two
(D) one,one

Q14. The CRO provides a ........ visual display of the signal waveshape on a screen
(A) one dimensional
(B) two dimensional
(C) three dimensional
(D) any of the above

Q15. A portable instrument is likely to have....... damping
(A) Eddy current
(B) gravitational
(C) pneumatic
(D) fluid friction

Q16. .........is the commonly used material for thermocouple
(A) platinum rhodium
(B) chromel-alumel
(C) chromel-copal
(D) any of the above

Q17. control springs are made up of
(A) phosphor bronze
(B) copper
(C) silver
(D) steel

Q18. Meggar is used to measure
(A) breakdown voltage of insulation
(B) earth resistance
(C) insulation resistance
(D) none of these

Q19. .......... is digital transducer
(A) encoder
(B) photovoltaic
(C) thermocouple
(D) piezoelectric transducer

Q20. which of the following is an analogue transducer?
(A) strain gauge
(B) thermistor
(C) LVDT
(D) all

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