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MCQ - Mechanical TNPSC JTO
JTO - 542 - Mechanic Electric Vehicle - 542 - Unit III Electrical Circuits and Test their Parameters

76)   

Positive and negative cycles are found in:

A.
B.
C.
D.
Answer: B
77)   

The time taken to complete one AC cycle is:

A.
B.
C.
D.
Answer: C
78)   

Peak value is:

A.
B.
C.
D.
Answer: B
79)   

Three-phase supply has:

 

A.
B.
C.
D.
Answer: D
80)   

Line voltage in 3-phase supply is:

A.
B.
C.
D.
Answer: B
81)   

Which of the following is a conductor?

A.
B.
C.
D.
Answer: C
82)   

Insulators are used to:

A.
B.
C.
D.
Answer: C
83)   

Which of the following is a semiconductor?

A.
B.
C.
D.
Answer: B
84)   

A good insulator has:

A.
B.
C.
D.
Answer: A
85)   

Conductors allow:

A.
B.
C.
D.
Answer: C
86)   

The core of an electrical cable is made of:

A.
B.
C.
D.
Answer: C
87)   

The outer layer of cable is called:

A.
B.
C.
D.
Answer: D
88)   

Color coding in cables is used for:

A.
B.
C.
D.
Answer: B
89)   

Standard cable colors for phase wires in India are:

A.
B.
C.
D.
Answer: A
90)   

Which cable is used for heavy current?

A.
B.
C.
D.
Answer: D
91)   

Frequency is measured in:

A.
B.
C.
D.
Answer: D
92)   

Time period and frequency are:

A.
B.
C.
D.
Answer: C
93)   

Multimeter can measure:

A.
B.
C.
D.
Answer: D
94)   

In relay, the switching is done by:

A.
B.
C.
D.
Answer: C
95)   

Which is not a passive electrical component?

A.
B.
C.
D.
Answer: D
96)   

Transformers are rated in:

A.
B.
C.
D.
Answer: C
97)   

Single-phase supply is usually used for:

A.
B.
C.
D.
Answer: B
98)   

Three-phase system is mainly used for:

A.
B.
C.
D.
Answer: C
99)   

Which of these is a magnetic component?

A.
B.
C.
D.
Answer: B
100)   

A solenoid converts electrical energy into:

A.
B.
C.
D.
Answer: C