Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Aluminium Soft steel Copper Silver Aluminium Soft steel Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. All of the listed here Most be of low temperature co-efficient Should have low specific resistance Should non magnetic All of the listed here Most be of low temperature co-efficient Should have low specific resistance Should non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeters will read zero One of the wattmeter connections will have to be reversed ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Moving iron type. Induction type. Dynamo-meter type. Multipliers. Moving iron type. Induction type. Dynamo-meter type. Multipliers. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 2% 1% 3% 4% 2% 1% 3% 4% ANSWER DOWNLOAD EXAMIANS APP
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