Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have All of these large time constant. high inertia. higher response time. All of these large time constant. high inertia. higher response time. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Moving iron Thermocouple Hot wire Dynamometer Moving iron Thermocouple Hot wire Dynamometer 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 of Y phase Power proportional to 3 phase power if the load is balanced Active power in R phase Reactive power of R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Active power in R phase Reactive power of R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Square of the measurand Sine inverse of measurand Measurand Sine of the measurand Square of the measurand Sine inverse of measurand Measurand Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Squareroot of the measurand Current through the coil Square of the current through the coil Sine of the measurand Squareroot of the measurand Current through the coil Square of the current through the coil Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When checked with an ohm meter an open resistor reads high but within tolerance. infinite. low but not zero. zero. high but within tolerance. infinite. low but not zero. zero. ANSWER DOWNLOAD EXAMIANS APP