Measurement and Instrumentation The chemical effect of current is used in C. energy meter C. ammeter C. ammeter hour meter None of these C. energy meter C. ammeter C. ammeter hour meter None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Dynamo-meter type. Multipliers. Moving iron type. Induction type. Dynamo-meter type. Multipliers. Moving iron type. Induction type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The high torque to weight ratio in an analog indicating instrument indicates none of these. high friction loss. nothing related to friction loss. low friction loss. none of these. high friction loss. nothing related to friction loss. low friction loss. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should be used for low frequency. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Should be used for low frequency. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.65 0.84 0.73 1 0.65 0.84 0.73 ANSWER DOWNLOAD EXAMIANS APP