Measurement and Instrumentation A PMMC instrument can be used as flux meter By using a low resistance shunt By eliminating the control springs By making control springs of large moment of inertia By using a high series resistance By using a low resistance shunt By eliminating the control springs By making control springs of large moment of inertia By using a high series resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 4.6o. 175.4o. 85.4o. 94.6o. 4.6o. 175.4o. 85.4o. 94.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. 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 0.2% less. 0.2% more. 0.4% less. 0.4 more. 0.2% less. 0.2% more. 0.4% less. 0.4 more. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 1.5% ± 7.5 % ± 2.5% ± 20% ± 1.5% ± 7.5 % ± 2.5% ± 20% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have None of these The same number of turns but different dimensions The same dimensions and the same number of turns The same dimension but different number of turns None of these The same number of turns but different dimensions The same dimensions and the same number of turns The same dimension but different number of turns ANSWER DOWNLOAD EXAMIANS APP
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