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ISRO Technician-B
Instrument Mechanic
ISRO Technician-B Instrument Mechanic 2019
14

ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key

14) When a resistor of value 100 Ohm is measured with a DMM, it consistently reads 90.23 Ohm The instrument is

Precise

Accurate

Both Precise and Accurate

Neither Precise nor accurate

Answer is:

Precise

ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key

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Related ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key

15) The gain bandwidth product for an Operational amplifier is 1MHz. The gain of the Operational amplifier at 1 kHz is

0.001

1

100

1000

Answer is:

1000

16) In a three phase power measurement by two wattmeter method, if both the watt meters have identical reading, the power factor of the load is

Unity

0.8 lagging

0.8 leading

Zero

Answer is:

Unity

17) What is the least count of a Vernier calliper if 9 divisions of the main scale is equal to 10 divisions on the Vernier scale and each division in the main scale is 1mm?

0.01 mm

0.1 mm

0.9 mm

10 mm

Answer is:

0.1 mm

18) Which of the following makes use of ferro resonance?

Crystal oscillator

Notch filter

Constant voltage transformer

Pulse width modulator

Answer is:

Constant voltage transformer

ISRO Technician-B Instrument Mechanic Question Paper - 2019 (Set-1) with Answer Key

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