Measurement and Instrumentation The dynamometer principle can be used for ammeter, voltmeter and wattmeter. voltmeter only. wattmeter only. ammeter only. ammeter, voltmeter and wattmeter. voltmeter only. wattmeter only. ammeter only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of inductance having high value, we should use Maxwell's bridge Maxwell wein bridge Hay's bridge Any of the listed here Maxwell's bridge Maxwell wein bridge Hay's bridge Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electrostatic coupling Electromagnetic coupling Both A and B None of these Electrostatic coupling Electromagnetic coupling Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. 1 is false but 2 is true. Both 1 and 2 are false. 1 is true but 2 is false. Both 1 and 2 are true. 1 is false but 2 is true. Both 1 and 2 are false. 1 is true but 2 is false. Both 1 and 2 are true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 50 mA. 80 mA. 25 mA. 40 mA. 50 mA. 80 mA. 25 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 63.25o. 105.6o. 150o. 30o. 63.25o. 105.6o. 150o. 30o. ANSWER DOWNLOAD EXAMIANS APP
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