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MCQ - Mechanical TNPSC JTO
JTO - 542 - Mechanic Electric Vehicle - 542 - Unit V Electric Vehicle Components and Comparison

51)   

Tractive effort is the force required to

A.
B.
C.
D.
Answer: C
52)   

Tractive effort depends on:

A.
B.
C.
D.
Answer: D
53)   

Grade resistance in electric vehicles is calculated using:

A.
B.
C.
D.
Answer: A
54)   

Total effort required for propulsion includes:

A.
B.
C.
D.
Answer: D
55)   

Rolling resistance is directly proportional to:

A.
B.
C.
D.
Answer: C
56)   

Which parameter affects air drag?

A.
B.
C.
D.
Answer: B
57)   

The unit of tractive effort is:

A.
B.
C.
D.
Answer: A
58)   

More motor effort is required when:

A.
B.
C.
D.
Answer: C
59)   

Electric transmission transfers:

A.
B.
C.
D.
Answer: C
60)   

In electric propulsion, power is mainly generated by:

A.
B.
C.
D.
Answer: C
61)   

Which motor is commonly used for electric drive systems?

A.
B.
C.
D.
Answer: B
62)   

Armature voltage control is used to vary:

A.
B.
C.
D.
Answer: C
63)   

Armature voltage is applied across:

A.
B.
C.
D.
Answer: D
64)   

DC motor torque is proportional to:

A.
B.
C.
D.
Answer: B
65)   

What is a chopper in DC drive?

A.
B.
C.
D.
Answer: C
66)   

A step-down chopper reduces:

A.
B.
C.
D.
Answer: B
67)   

A step-up chopper increases:

A.
B.
C.
D.
Answer: A
68)   

Chopper circuits are used in:

A.
B.
C.
D.
Answer: B
69)   

In chopper control, output voltage depends on:

A.
B.
C.
D.
Answer: B
70)   

Chopper control is suitable for:

A.
B.
C.
D.
Answer: B
71)   

A control strategy in EVs helps in:

A.
B.
C.
D.
Answer: B
72)   

Chopper amplifier is used for:

A.
B.
C.
D.
Answer: B
73)   

PWM stands for:

A.
B.
C.
D.
Answer: A
74)   

PWM is used in chopper to control:

A.
B.
C.
D.
Answer: B
75)   

In a PWM-based chopper, increasing duty cycle will:

A.
B.
C.
D.
Answer: B