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 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 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 Active power in R phase Active power of Y phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, cm and s. g, m and s. g, cm and s. kg, m and s. kg, cm and s. g, m and s. g, cm and s. kg, m and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of Low frequency voltage High DC voltage AC voltage of any form High AC voltage Low frequency voltage High DC voltage AC voltage of any form High AC voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By using a high series resistance By making control springs of large moment of inertia By eliminating the control springs By using a low resistance shunt By using a high series resistance By making control springs of large moment of inertia By eliminating the control springs By using a low resistance shunt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction wattmeter can be used for Ac only Dc only Both DC and AC Any of the listed here Ac only Dc only Both DC and AC Any of the listed here ANSWER DOWNLOAD EXAMIANS APP