Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Positive None of the listed here Negative Negligible Positive None of the listed here Negative Negligible ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The meter does not respond to DC signals The error is high due to eddy current effect The meter is calibrated for AC and it’s error for DC would be high 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 more. 0.4% less. 0.2% more. 0.2% less. 0.4 more. 0.4% less. 0.2% more. 0.2% less. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 25 W. 0 W. 50 W. 100 W. 25 W. 0 W. 50 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 12.0 μH/radian. 4.8 μH/radian. 114.6 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 4.8 μH/radian. 114.6 μH/radian. 2.0 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In an Anderson bridge, the unknown inductance is measured in terms of Known inductance and resistance Known capacitance and resistance Known inductance Known resistance Known inductance and resistance Known capacitance and resistance Known inductance Known resistance ANSWER DOWNLOAD EXAMIANS APP
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