Electrical Engineering MCQs

Option A: Lucknow

Option B: Bhopal

Option C: Jaipur

Option D: Chandigarh

Correct Answer: Jaipur ✔

Option A: 20 to 25 percent

Option B: 30 to 40 percent

Option C: 45 to 55 percent

Option D: 60 to 70 percent

Correct Answer: 20 to 25 percent ✔

Option A: reduce friction

Option B: increase friction

Option C: facilitate braking

Option D: facilitate in taking turns

Correct Answer: facilitate in taking turns ✔

Option A: 2 percent

Option B: 10 percent

Option C: 20 percent

Option D: 40 percent

Correct Answer: 2 percent ✔

Option A: overhead wire

Option B: battery system

Option C: small turbo-generator

Option D: diesel engine generator

Correct Answer: small turbo-generator ✔

Option A: 200 V D.C.

Option B: 25 kV single phase A.C.

Option C: 25 kV two phase A.C.

Option D: 25 kV three phase A.C.

Correct Answer: 25 kV single phase A.C. ✔

Option A: Faster acceleration

Option B: No pollution problems

Option C: Better braking action

Option D: All of the above

Correct Answer: Faster acceleration ✔

Option A: 50 to 200

Option B: 500 to 1000

Option C: 1500 to 2500

Option D: 3000 to 5000

Correct Answer: 1500 to 2500 ✔

Option A: 22 V

Option B: 440 V

Option C: 5 kV

Option D: 15 kV

Correct Answer: 22 V ✔

Option A: electric locomotives

Option B: diesel engine locomotives

Option C: steam engine locomotives

Option D: diesel electric locomotives

Correct Answer: all of the above ✔

Option A: up to 1500

Option B: 1500 to 2000

Option C: 2000 to 3000

Option D: 3000 to 4000

Correct Answer: up to 1500 ✔

Option A: flywheel

Option B: gear box

Option C: applying brakes 11.

Option D: regulating steam flow to engine

Correct Answer: regulating steam flow to engine ✔

A. Electric
B. Diesel
C. Steam

Correct Answer: Electric ✔

Option A: 5 to 10 percent

Option B: 15 to 20 percent

Option C: 25 to 35 percent

Option D: 35 to 45 percent

Correct Answer: 5 to 10 percent ✔

Option A: universal motor

Option B: single phase induction motor

Option C: two phase induction motor

Option D: three phase induction motor

Correct Answer: two phase induction motor ✔

Option A: Static friction

Option B: Backlash

Option C: Saturation

Option D: None of the above

Correct Answer: Saturation ✔

Option A: Root locus

Option B: Bode plot

Option C: Nyquist plot

Option D: None of the above

Correct Answer: Root locus ✔

Option A: no pole

Option B: net pole

Option C: simple pole

Option D: two poles

Correct Answer: no pole ✔

Option A: constant, constant

Option B: constant, infinity

Option C: zero, constant

Option D: zero, zero

Correct Answer: zero, constant ✔

Option A: Frequency response

Option B: Absolute stability

Option C: Relative stability

Option D: Time response

Correct Answer: Relative stability ✔

Option A: Nyquist Criterion

Option B: Quasi linearization

Option C: Functional analysis

Option D: Phase-plane representation

Correct Answer: Nyquist Criterion ✔

Option A: Tungsten

Option B: Aluminium

Option C: Copper

Option D: Nickel

Correct Answer: Nickel ✔

Option A: Symmetric triangular voltage across itself

Option B: Symmetric rectangular voltage across itself

Option C: Symmetric trapezoidal voltage across itself

Option D: Symmetric sinusoidal voltage across itself

Correct Answer: Symmetric trapezoidal voltage across itself ✔

Option A: Force

Option B: Charge

Option C: Current

Option D: Power

Correct Answer: Power ✔

Option A: Permeability

Option B: Moment of a magnet

Option C: Magnetic susceptibility

Option D: Permittivity

Correct Answer: Magnetic susceptibility ✔

Option A: Energy

Option B: Time

Option C: Power

Option D: Charge

Correct Answer: Energy ✔

Option A: Current

Option B: Voltage

Option C: Power

Option D: Speed

Correct Answer: Voltage ✔

Option A: zero

Option B: infinite

Option C: finite

Option D: 100 ohms

Correct Answer: infinite ✔

Option A: zero

Option B: infinite

Option C: finite

Option D: 100 ohms

Correct Answer: zero ✔

Option A: current

Option B: voltage

Option C: power

Option D: None of the above

Correct Answer: voltage ✔

Option A: current

Option B: voltage

Option C: power

Option D: None of the above

Correct Answer: current ✔

Option A: Maximum

Option B: Minimum

Option C: Zero

Option D: A finite value

Correct Answer: Zero ✔

Option A: Resistor

Option B: Bulb

Option C: Both

Option D: None of these.

Correct Answer: Both ✔

Option A: 0.625 × 1019

Option B: 1.6 × 1019

Option C: 1.6 × 10-19

Option D: 0.625 × 10-19

Correct Answer: A. 0.625 × 10¹⁹ ✔

Option A: area of the conductor.

Option B: length of the conductor.

Option C: type of material.

Option D: none of these.

Correct Answer: type of material. ✔

Option A: R Ω

Option B: 2R Ω

Option C: 4R Ω

Option D: 8R Ω

Correct Answer: R Ω ✔

Option A: 10

Option B: 60

Option C: 600

Option D: 1200

Correct Answer: 60 ✔

Option A: Ω.

Option B: Ω – metre.

Option C: Ω / metre.

Option D: Ω / m².

Correct Answer: B. Ω – metre. ✔

Option A: product of the instantaneous current and rate of change of current.

Option B: square of instantaneous current.

Option C: square of the rate of change of current.

Option D: Temperature of the inductor.

Correct Answer: product of the instantaneous current and rate of change of current. ✔

Option A: product of its inductance and current through it.

Option B: ratio of its inductance to the current through it.

Option C: ratio of the current through it to its inductance.

Option D: product of its inductance and rate of change of current through it.

Correct Answer: product of its inductance and rate of change of current through it. ✔

Option A: Newton

Option B: Ampere-turn

Option C: Weber

Option D: Tesla

Correct Answer: Weber ✔

Option A: P

Option B: 3P

Option C: P/3

Option D: None of the above

Correct Answer: P ✔

Option A: Voltage source

Option B: Current source

Option C: Both

Option D: None of these.

Correct Answer: Both ✔