Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is none of above. 1. 0.5. 0. none of above. 1. 0.5. 0. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for High voltage measurements Low current measurements High current measurements Low voltage measurements High voltage measurements Low current measurements High current measurements Low voltage measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. Both A and R are true and R is not correct explanation of A. Both A and R are true and R is correct explanation of A. A is false and R is ture. A is ture and R is false. Both A and R are true and R is not correct explanation of A. Both A and R are true and R is correct explanation of A. A is false and R is ture. A is ture and R is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? Moving iron voltmeter CRO Moving coil voltmeter VTVM Moving iron voltmeter CRO Moving coil voltmeter VTVM ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 20% ± 1.5% ± 2.5% ± 7.5 % ± 20% ± 1.5% ± 2.5% ± 7.5 % ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Sine of the measurand Sine inverse of measurand Square of the measurand Measurand Sine of the measurand Sine inverse of measurand Square of the measurand Measurand ANSWER DOWNLOAD EXAMIANS APP