Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Squareroot of the measurand Sine of the measurand Square of the current through the coil Current through the coil Squareroot of the measurand Sine of the measurand Square of the current through the coil Current through the coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 0.5 V 2 V 1 V 1.5 V 0.5 V 2 V 1 V 1.5 V 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? 0.84 0.65 0.73 1 0.84 0.65 0.73 1 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 multiplier and the meter coil in a voltmeter are in Series Parallel Series-parallel None of the listed here Series Parallel Series-parallel None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 400V and 200V 300V each 360V and 240V One of the meters out of the range and other 100V 400V and 200V 300V each 360V and 240V One of the meters out of the range and other 100V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS