Electronic Energy Meter MCQ Questions & Answers

Electronic Energy Meter MCQs : This section focuses on the "Electronic Energy Meter". These Multiple Choice Questions (MCQs) should be practiced to improve the Electronic Energy Meter skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

An electronic energy meter is advantageous compared to conventional ones.

A. True

B. False

Question 2

An electronic energy meter makes use of ___________

A. IC

B. Transformer

C. CRO

D. Multimeter

Question 3

Average power is _________

A. product of voltage and current

B. product of average current and voltage

C. product of instantaneous voltage and current

D. product of absolute voltage and current

Question 4

Creep adjustment involves _________

A. adjusting the creep

B. exciting the current coil

C. adjusting the turns ratio

D. exciting the pressure coil

Question 5

Creeping in an energy meter can be found using _________

A. creep adjustment

B. preliminary light load adjustment

C. full load u.p.f adjustment

D. light load adjustment

Question 6

Energy meter can be directly used in measurement.

A. True

B. False

Question 7

Frequency of oscillation in an electronic energy meter depends on __________

A. output current of multiplier

B. output voltage of multiplier

C. output power of multiplier

D. input resistance of multiplier

Question 8

Full load u.p.f adjustment involves _________

A. adjusting the loads at unity power factor

B. applying rated voltage to pressure coil and a p.f. of unity for current coil

C. only applying rated voltage to pressure coil

D. only a p.f. of unity for the current coil

Question 9

Light load adjustment involves _________

A. applying rated voltage across the pressure coil

B. adjusting a light load

C. applying rated current across the transformer

D. applying rated voltage across the current coil

Question 10

Low power factor adjustment involves _________

A. adjusting the power factor at lower loads

B. applying rated voltage to pressure coil and a p.f. of 0.5 for current coil

C. only applying rated voltage to pressure coil

D. only a p.f. of 0.5 for the current coil

Question 11

Measurement of energy involves _________

A. inductance and capacitance measurement

B. power consumption and time duration

C. resistance measurement and voltage drop

D. current consumption and voltage drop

Question 12

Preliminary light load adjustment involves _________

A. applying rated voltage across current coil

B. making use of a light load

C. applying rated voltage across pressure coil

D. adjusting the light load

Question 13

What is the role of a multiplier?

A. it multiplies the voltage and current

B. divides the alternating voltage and current

C. supplies instantaneous voltage and current

D. multiplies alternating voltage and current