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? 0.65 0.73 1 0.84 0.65 0.73 1 0.84 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When checked with an ohm meter an open resistor reads low but not zero. zero. high but within tolerance. infinite. low but not zero. zero. high but within tolerance. infinite. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only deflecting torque acts Both deflecting and controlling torques act None of the listed here Only controlling torque acts Only deflecting torque acts Both deflecting and controlling torques act None of the listed here Only controlling torque acts ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Megger Voltmeter-ammeter method Multimeter Bridge method Megger Voltmeter-ammeter method Multimeter Bridge method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The core flux in the CT of above question no.6, under the given operating conditions is 450 mWb. 225 mWb. 1000 mWb. 0. 450 mWb. 225 mWb. 1000 mWb. 0. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 12.0 μH/radian. 4.8 μH/radian. 114.6 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 4.8 μH/radian. 114.6 μH/radian. 2.0 μH/radian. ANSWER DOWNLOAD EXAMIANS APP