Measurement and Instrumentation Which of following are needed both for protection and metering? Wattmeters. Energy meter. Power factor meters. Instrument transformer. Wattmeters. Energy meter. Power factor meters. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 4.6o. 85.4o. 94.6o. 175.4o. 4.6o. 85.4o. 94.6o. 175.4o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should use a monitoring source at low input impedance. Should be used for low frequency. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Should be used for low frequency. Has a low natural frequency. Should be used for high frequencies above 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. Should have low specific resistance Most be of low temperature co-efficient Should non magnetic All of the listed here Should have low specific resistance Most be of low temperature co-efficient Should non magnetic All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by the aluminium frame of the coil. the coil spring attached to the moving. eddy current disk. damping vane in the airtight chamber. the aluminium frame of the coil. the coil spring attached to the moving. eddy current disk. damping vane in the airtight chamber. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with standard. ANSWER DOWNLOAD EXAMIANS APP
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