Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Accelerating anode Grid Cathode X-Y plates Accelerating anode Grid Cathode X-Y plates ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power in R phase Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power in R phase Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 2 kWh 3 kWh 1 kWh 4 kWh 2 kWh 3 kWh 1 kWh 4 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of AC voltage of any form High DC voltage Low frequency voltage High AC voltage AC voltage of any form High DC voltage Low frequency voltage High AC voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Temperature Current Voltage Both Voltage and Temperature Temperature Current Voltage Both Voltage and Temperature ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Pottential transformers Power transformers Both current and potential transformers Current transformers Pottential transformers Power transformers Both current and potential transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
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