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

Question 1

Calculate the coefficient of friction if the angle of inclination is 60°.

A. 2.73
B. 1.73
C. 2.48
D. 1.41

Question 2

Calculate the value measured by Moving Iron when a sinusoidal voltage signal V(t) = ?2sin(3?t) is applied to it.

A. 2 V
B. 1 V
C. 3 V
D. 4 V

Question 3

Calculate the value of the coefficient of adhesion for dusty rails if the value of the coefficient of adhesion for dry rails is .55.

A. 0.65
B. 0.89
C. 0.97
D. 0.48

Question 4

Calculate the value of the coefficient of friction using the data: F=24 N, Normal force=12 N.

A. 2
B. 4
C. 8
D. 9

Question 5

Calculate the velocity of the bottom point of the wheel for perfect rolling using the data: r=20 cm, ?=100 rad/sec.

A. 20 m/sec
B. 40 m/sec
C. 60 m/sec
D. 80 m/sec

Question 6

Full form of HVAC is _________

A. High Voltage Alternative Current
B. High Voltage Alternating Current
C. High-Value Alternating Combination
D. High-Value Alternative Counter

Question 7

Full form of HVDC is _________

A. High Voltage Direct Current
B. High Voltage Distribution Combination
C. High-Value Direct Current
D. High-Value Distribution Combination

Question 8

If the friction force value is doubled, calculate the new value of the coefficient of friction.

A. 4 times of the original value
B. 2 times of the original value
C. 7 times of the original value
D. Remains the same

Question 9

The coefficient of adhesion is maximum when rails are dusty.

A. True
B. False

Question 10

The frictional force always acts in the _________ direction of motion of the body.

A. Opposite
B. Same
C. Perpendicular
D. Vertical

Question 11

The value of area under a velocity-time graph is _________

A. Acceleration
B. Displacement
C. Force
D. Momentum

Question 12

The value of area under acceleration-time graph is _________

A. Velocity
B. Displacement
C. Force
D. Impulse

Question 13

The value of area under force-time graph is _________

A. Reaction
B. Change in momentum
C. Force
D. Torque

Question 14

There are four types of friction.

A. True
B. False

Question 15

Calculate the value measured by Moving Iron when a sinusoidal voltage signal V(t) = √2sin(3ωt) is applied to it.

A. 2 V
B. 1 V
C. 3 V
D. 4 V