Measurement and Instrumentation To increase Q factor of a coil, the wire should be long and thin. thin. thick. long. long and thin. thin. thick. long. 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 Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase Active power in R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows an ellipse. a straight line. a circle. sinisoidal. an ellipse. a straight line. a circle. sinisoidal. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following is a variable displacement transducer? tachometer synchros potentiometer None of these tachometer synchros potentiometer None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Multipliers. Dynamo-meter type. Induction type. Moving iron type. Multipliers. Dynamo-meter type. Induction type. Moving iron type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two voltages Measuring a current Comparing two currents Measuring a voltage Comparing two voltages Measuring a current Comparing two currents Measuring a voltage ANSWER DOWNLOAD EXAMIANS APP