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 0.73 0.65 0.84 1 0.73 0.65 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Spherical type Multiplate parallel plate type Concentric cylindrical type Electrostatic type Spherical type Multiplate parallel plate type Concentric cylindrical type Electrostatic type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as true error. None of these absolute error. ratio of absolute error and true value. true error. None of these absolute error. ratio of absolute error and true value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? X-Y plates Accelerating anode Cathode Grid X-Y plates Accelerating anode Cathode Grid ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only deflecting torque acts None of the listed here Only controlling torque acts Both deflecting and controlling torques act Only deflecting torque acts None of the listed here Only controlling torque acts Both deflecting and controlling torques act ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 2 Ohms 49.99 Ohms 1 Ohm 1/49.99 ohms 2 Ohms 49.99 Ohms 1 Ohm 1/49.99 ohms ANSWER DOWNLOAD EXAMIANS APP
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