Measurement and Instrumentation Mcqs

This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “ Measurement and Instrumentation ”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Measurement and Instrumentation comprehensively.

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16.
A sensitive galvanometer produces large deflection for a_______________?

Small value of current

Large value of current

Large value of power

Large value of voltage

Answer Discus (0)

17.
Volt box is a component to_____________?

Extend voltage range

Measure voltage

Compare voltage in a box

None of the above

Answer Discus (0)

18.
Commonly used standard capacitor is______________?

Spherical type

Concentric cylindrical type

Electrostatic type

Multilayer parallel plate type

Answer Discus (0)

19.
Commonly used instruments in power system measurement are_______________?

Induction

Moving coil or iron

Rectifier

Electrostatic

Answer Discus (0)

20.
In Weston synchronoscope the moving coil is connected across______________?

Bus-bars

Incoming alternator

Fixed coils

Any of the above

Answer Discus (0)

21.
For measurements on high voltage capacitors, the suitable bridge is_______________?

Wein bridge

Modified De Santy’s bridge

Schering bridge

Any of the above

Answer Discus (0)

22.
In an Anderson bridge, the unknown inductance is measured in terms of_______________?

Known inductance and resistance

Known capacitance and resistance

Known resistance

Known inductance

Answer Discus (0)

23.
Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to_____________?

Improve its ventilation

Eliminate creeping at no load

Increase its deflecting torque

Increase its braking torque

Answer Discus (0)

24.
To measure radio frequency, the suitable frequency meter is_______________?

Weston frequency meter

Reed vibrator frequency meter

Heterodoxy frequency meter

Electrical resonance frequency meter

Answer Discus (0)

25.
Wattmeter cannot be designed on the principle of_________________?

Electrostatic instrument

Thermocouple instrument

Moving iron instrument

Electrodynamic instrument

Answer Discus (0)

26.
Alternating current is measured by_______________?

Induction ammeter

Permanent magnet type ammeter

Electrostatic ammeter

Moving iron repulsion type voltmeter

Answer Discus (0)

27.
Instrument transformers are_______________?

Potential transformers

Current transformers

Both A. and B.

Power transformers

Answer Discus (0)

28.
Damping of the Ballistic galvanometer is made small to_______________?

Get first deflection large

Make the system oscillatory

Make the system critically damped

Get minimum overshoot

Answer Discus (0)

30.
The desirable static characteristics of a measuring system are______________?

Accuracy and reproducibility

Accuracy, sensitivity and reproducibility

Drift and dead zone

Static error

Answer Discus (0)

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