Measurement and Instrumentation The absolute measurement of resistance is done by Bridge Method Rayleigh method Lorenz method Ohm’s law method Bridge Method Rayleigh method Lorenz method Ohm’s law method 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 0.73 0.65 0.84 1 0.73 0.65 0.84 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for High voltage measurements Low voltage measurements High current measurements Low current measurements High voltage measurements Low voltage measurements High current measurements Low current measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One voltmeter and one ammeter One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter Any of the listed here One voltmeter and one ammeter One ammeter, one voltmeter and one energy meter One voltmeter, one ammeter and one wattmeter Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When checked with an ohm meter an open resistor reads infinite. low but not zero. zero. high but within tolerance. infinite. low but not zero. zero. high but within tolerance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure DC voltage. AC volatge. both AC and DC voltage. DC current. DC voltage. AC volatge. both AC and DC voltage. DC current. ANSWER DOWNLOAD EXAMIANS APP