MEASUREMENT AND INSTRUMENTATION QUIZ

Unit of deflection sensitivity of a CRO is

mm per mV.

meter / volt.

mm / V.

V / mm.

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Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be

0.1 µF.

0.09 µF.

10 µF.

11 µF.

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Which meter is suitable for the measurement of 10mV at 50MHz?

Moving coil voltmeter

CRO

Moving iron voltmeter

VTVM

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Direct method is used to measure

Length

Pressure

Voltage

Temperature

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The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as

(400 ± 1) A

(400 ± 1.5) A

(400 ± 2.24) A

(400 ± 3) A

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Commonly used standard capacitor is

Spherical type

Multiplate parallel plate type

Electrostatic type

Concentric cylindrical type

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An ammeter is ______ instrument.

An integrating

An indicating

None of the listed here

A recording

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To measure the flux, devices used are based on

Piezo-electric effect

Hall effect

Photo-voltaic effect

Voltaic effect

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In a CRO which of following is not a part of electron gun?

Accelerating anode

X-Y plates

Cathode

Grid

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The adjustment of position of shading bands, in an energy meter is done to provide

None of the listed here

Creep compensation

Friction compensation

Breaking torque

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