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Measurement and Instrumentation

Measurement and Instrumentation
Ryall crest voltmeter is used for measurement of

AC voltage of any form
Low frequency voltage
High DC voltage
High AC voltage

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Measurement and Instrumentation
A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be

 625 Hz.
 400 Hz.
 500 Hz.
 250 Hz.

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Measurement and Instrumentation
Which amplifier in used in an electronic amplifier?

 Differential amplifier.
 Power amplifier.
 Wideband amplifier.
 Butter amplifer.

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Measurement and Instrumentation
PMMC Instrument can be used for

Both AC and DC
None of the listed here
DC work only
AC work only

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Measurement and Instrumentation
Deflection method direct measurements are most widely used as these are

 most accurate.
 most simple.
 most simple and least time consuming.
 least time consuming.

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Measurement and Instrumentation
Induction wattmeter can measure

None of the listed here
Dc power only
Ac power only
Both AC and DC

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MORE MCQ ON Measurement and Instrumentation

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