Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. recording. absolute. indicating. integrating. recording. absolute. indicating. integrating. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that measures high Q inductors. balance equation independent of frequency. reduction of the cost. attaining balance condition is easier. measures high Q inductors. balance equation independent of frequency. reduction of the cost. attaining balance condition is easier. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates Average value DC value of voltage RMS value Peak to peak value of voltage Average value DC value of voltage RMS value Peak to peak value of voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - iron meter. VTVM. Moving - coil meter. Thermocouple meter. Moving - iron meter. VTVM. Moving - coil meter. Thermocouple meter. 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 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 Active power of Y phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 3 mA. 2 mA. 1 mA. 4 mA. 3 mA. 2 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP