Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 2 kWh 1 kWh 3 kWh 4 kWh 2 kWh 1 kWh 3 kWh 4 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Conductor but magnetic Non conductor and non magnetic Non conductor but magnetic Conductor but non magnetic Conductor but magnetic Non conductor and non magnetic Non conductor but magnetic Conductor but non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.50 A. 0.70 A. 0.25 A. 0.67 A. 0.50 A. 0.70 A. 0.25 A. 0.67 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meters has a linear scale? Moving iron meter Hot wore meter Thermocouple meter Moving coil meter Moving iron meter Hot wore meter Thermocouple meter Moving coil meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 4.8 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 4.8 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 114.6 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 20. 31.4. 25.4. 54.2. 20. 31.4. 25.4. 54.2. ANSWER DOWNLOAD EXAMIANS APP
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