Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - iron meter. Thermocouple meter. Moving - coil meter. VTVM. Moving - iron meter. Thermocouple meter. Moving - coil meter. VTVM. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 12.8 rpm. 16.02 rpm. 21.1 rpm. 18.2 rpm. 12.8 rpm. 16.02 rpm. 21.1 rpm. 18.2 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Multipliers. Dynamo-meter type. Induction type. Moving iron type. Multipliers. Dynamo-meter type. Induction type. Moving iron type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows an ellipse. a circle. a straight line. sinisoidal. an ellipse. a circle. a straight line. sinisoidal. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very heavy None of the listed here Either light or heavy Very light Very heavy None of the listed here Either light or heavy Very light ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Temperature Both Voltage and Temperature Current Voltage Temperature Both Voltage and Temperature Current Voltage ANSWER DOWNLOAD EXAMIANS APP
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