Measurement and Instrumentation A megger is usually Hot-wire type instrument Electro-static type instrument Moving iron type instrument Moving coil type instrument Hot-wire type instrument Electro-static type instrument Moving iron type instrument Moving coil type instrument 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? 0.73 0.65 1 0.84 0.73 0.65 1 0.84 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Fluid friction None of the listed here Eaddy current Air friction Fluid friction None of the listed here Eaddy current Air friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only AC only Any of the listed here Both DC and AC DC only AC only Any of the listed here Both DC and AC 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. 0. 1000 mWb. 225 mWb. 450 mWb. 0. 1000 mWb. 225 mWb. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 60o. parallel. inclined at 30o. perpendicular. inclined at 60o. parallel. inclined at 30o. perpendicular. ANSWER DOWNLOAD EXAMIANS APP