Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. open circuited replaced by a capacitor replaced by a source resistance short circuited open circuited replaced by a capacitor replaced by a source resistance short circuited 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 85.4o. 94.6o. 4.6o. 175.4o. 85.4o. 94.6o. 4.6o. 175.4o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have High sensitivity Absence of frequency error High degree of measuring accuracy Independence of ambient temperature High sensitivity Absence of frequency error High degree of measuring accuracy Independence of ambient temperature ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 2 and 3 are correct 1 and 3 are correct 1, 2 and 3 are correct 1 and 2 are correct 2 and 3 are correct 1 and 3 are correct 1, 2 and 3 are correct 1 and 2 are correct ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Voltage source will increase resistance Current will decrease resistance None of these The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance None of these The ohmmeter has its own internal battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0. 0.5. none of above. 1. 0. 0.5. none of above. 1. ANSWER DOWNLOAD EXAMIANS APP
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