Measurement and Instrumentation Which of the following are integrating instruments? Ampere hour and watt hour meters Ammeters Wattmeters Voltmeters Ampere hour and watt hour meters Ammeters Wattmeters Voltmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are least time consuming. most simple. most accurate. most simple and least time consuming. least time consuming. most simple. most accurate. most simple and least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Piezo-electric effect Photo-voltaic effect Hall effect Voltaic effect Piezo-electric effect Photo-voltaic effect Hall effect Voltaic effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 2 kWh 3 kWh 1 kWh 4 kWh 2 kWh 3 kWh 1 kWh 4 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From the same source as the unknown voltage From a source which is not the same as the unknown voltage From a battery Any of the above From the same source as the unknown voltage From a source which is not the same as the unknown voltage From a battery Any of the above ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 100 W. 25 W. 0 W. 50 W. 100 W. 25 W. 0 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
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