Measurement and Instrumentation The scale of a rectifier instrument is Either linear or non linear Linear None of the listed here Non-linear Either linear or non linear Linear None of the listed here Non-linear ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kWh Wh kW VAR kWh Wh kW VAR ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Power transformers Current transformers Either of the above Potential transformers Power transformers Current transformers Either of the above Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring High frequency Low frequency Very high frequency Medium frequency High frequency Low frequency Very high frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.4% less. 0.2% less. 0.4 more. 0.2% more. 0.4% less. 0.2% less. 0.4 more. 0.2% more. 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