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Measurement and Instrumentation

Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Schering bridge
Wein bridge
Any of the listed here
Modified De santy's bridge

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Measurement and Instrumentation
Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an

 instrument error
 systematic error
 gross error
 random error

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Measurement and Instrumentation
The thermocouple instrument will measure

Current
Flux
None of these
Voltage

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Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 105.6o.
 150o.
 63.25o.
 30o.

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Measurement and Instrumentation
The transfer instrument which is used for standardization of a polar type AC potentiometer is

 an electrostatic instrument.
 a moving coil instrument.
 a dynamometer instrument.
 a thermal instrument.

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Measurement and Instrumentation
A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

 85.4o.
 175.4o.
 94.6o.
  4.6o.

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