# Advanced Miscellaneous Problems on Measurement of Power Online Exam Quiz

Advanced Miscellaneous Problems on Measurement of Power GK Quiz. Question and Answers related to Advanced Miscellaneous Problems on Measurement of Power. MCQ (Multiple Choice Questions with answers about Advanced Miscellaneous Problems on Measurement of Power

### A 3-phase, 600 V motor, the load having 0.6 power factor uses two watt-meter to measure the power. If the power measured be 45 kW, then the reading of each instrument will be?

**Options**

A : P1 = 35 kW, P2 = 10 kW

B : P1 = 47.25 kW, P2 = -2.25 kW

C : P1 = 39.82 kW, P2 = 5.179 kW

D : P1 = 45 kW, P2 = 0 kW

### An average-reading digital Multimeter reads 10 V when fed with a triangular wave, symmetric about the time-axis. If the input is same, the rms reading meter will read?

**Options**

A : 20/\sqrt{3}

B : -10/\sqrt{3}

C : -20/\sqrt{3}

D : 10/\sqrt{3}

### In the Two wattmeter method of measuring power in a balanced three-phase circuit, one wattmeter shows zero and the other positive maximum. The load power factor is?

**Options**

A : 0

B : 0.5

C : 0.866

D : 1

### Plugging is suitable for __ type loads.

**Options**

A : Gravitational

B : Electrostatic

C : Weightless

D : Leading

### The meter constant of a single-phase, 100 V induction watt-meter is 600 rev/kW-h. The speed of the meter disc for a current of 15 A at 0.8 power factor lagging will be?

**Options**

A : 30.3 rpm

B : 16 rpm

C : 12 rpm

D : 33.1 rpm

### Two watt-meters connected to measure the total power on a three-phase system supplying a balanced load reads 10.5 kW and -2.5 kW respectively. Then the total power factor is?

**Options**

A : 0.334

B : 0.684

C : 0.52

D : 0.334

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