Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High frequencies Low frequencies High load on the transformer Power frequencies High frequencies Low frequencies High load on the transformer Power frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Electrostatic type Multiplate parallel plate type Spherical type Concentric cylindrical type Electrostatic type Multiplate parallel plate type Spherical type Concentric cylindrical type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only Both DC and AC AC only Any of the listed here DC only Both DC and AC AC only Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Double the power rating of the resistor Reduce the tolerance Reduce the inductance of winding Increase the thermal stability Double the power rating of the resistor Reduce the tolerance Reduce the inductance of winding Increase the thermal stability ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Dynamo-meter type. Multipliers. Moving iron type. Induction type. Dynamo-meter type. Multipliers. Moving iron type. Induction type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.84 1 0.65 0.73 0.84 1 0.65 0.73 ANSWER DOWNLOAD EXAMIANS APP
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