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

Question 1

_________ motor operates at low power factor.

A. Capacitor run
B. Capacitor start
D. Reluctance

Question 2

Calculate the compensator rating required for cos(?)=.7.

A. 0.71 P.U
B. 0.21 P.U
C. 0.47 P.U
D. 0.12 P.U

Question 3

Calculate the load stress if the value of force is 20 N and the area of cross-section is 2 m2.

A. 10 N/m2
B. 20 N/m2
C. 30 N/m2
D. 40 N/m2

Question 4

Calculate the mass of the solid cylinder having a mass of 4 kgm2 and radius of 4 m & length of 12 m.

A. 64 kgm2
B. 68 kgm2
C. 67 kgm2
D. 69 kgm2

Question 5

Calculate the moment of inertia of the circular hollow disk having a mass of 2 kg and an internal radius of 5 m and an external radius of 10 m.

A. 125 kgm2
B. 127 kgm2
C. 122 kgm2
D. 123 kgm2

Question 6

Calculate the work done in stretching the wire of volume=22 m3 and the values of stress and strain are 2 N/m2 and 4.

A. 66 J
B. 44 J
C. 22 J
D. 88 J

Question 7

Full form of SPWM.

A. Sinusoidal pulse width modulation
B. State per width modulation
C. State pulse width modulation
D. Sinusoidal per width modulation

Question 8

Hookes law is applicable within the elastic limit.

A. True
B. False

Question 9

Lowest order harmonic present in 3-? fully controlled rectifier is __________

A. 5th
B. 7th
C. 3rd
D. 2nd

Question 10

Plasticity is the ability of the material to deform without breaking.

A. True
B. False

Question 11

The relationship between Youngs modulus (Y), Bulk modulus (K) and Poissons ratio (?) is _____________

A. Y=K(1-2?)
B. Y=3K(1-2?)
C. Y=5K(1-2?)
D. Y=4K(1-8?)

Question 12

What is the effect of impurities on elasticity?

A. It will increase
B. Remains the same
C. It will decrease
D. It will slightly increase

Question 13

Which harmonic is not present in 3-? fully controlled rectifier?

A. 3rd harmonic
B. 5th harmonic
C. 7th harmonic
D. 11th harmonic

Question 14

Calculate the compensator rating required for cos(Φ)=.7.

A. 0.71 P.U
B. 0.21 P.U
C. 0.47 P.U
D. 0.12 P.U

Question 15

Hooke’s law is applicable within the elastic limit.

A. TRUE
B. FALSE

Question 16

Lowest order harmonic present in 3-Φ fully controlled rectifier is __________

A. 5th
B. 7th
C. 3rd
D. 2nd

Question 17

The relationship between Young’s modulus (Y), Bulk modulus (K) and Poisson’s ratio (μ) is _____________

A. Y=K(1-2μ)
B. Y=3K(1-2μ)
C. Y=5K(1-2μ)
D. Y=4K(1-8μ)