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MCQ - Mechanical TNPSC JTO
JTO - 542 - Mechanic Electric Vehicle - 542 - Unit IV Electronic Circuits and Analyse

1)   

What is the full form of SPST?

A.
B.
C.
D.
Answer: A
2)   

A normally open (NO) switch will...

A.
B.
C.
D.
Answer: B
3)   

Which switch is activated by the tilt of position?

A.
B.
C.
D.
Answer: C
4)   

A ganged switch is used to...

A.
B.
C.
D.
Answer: A
5)   

Which of the following is used in car doors to activate dome lights?

A.
B.
C.
D.
Answer: D
6)   

A normally closed (NC) switch allows current flow when...

A.
B.
C.
D.
Answer: A
7)   

What happens when an SPST switch is turned off?

A.
B.
C.
D.
Answer: B
8)   

The function of a switch is to...

A.
B.
C.
D.
Answer: C
9)   

Which switch uses liquid metal to make contact?

A.
B.
C.
D.
Answer: C
10)   

Which of the following switch types is used for automotive lighting circuits?

A.
B.
C.
D.
Answer: D
11)   

Ganged switches are commonly found in...

A.
B.
C.
D.
Answer: D
12)   

A toggle switch is operated by...

A.
B.
C.
D.
Answer: B
13)   

Which switch configuration allows one input to be connected to two outputs?

A.
B.
C.
D.
Answer: B
14)   

A DPDT switch contains how many terminals?

A.
B.
C.
D.
Answer: C
15)   

Which type of switch is used in speed-sensitive applications like washing machines?

A.
B.
C.
D.
Answer: D
16)   

A relay is...

A.
B.
C.
D.
Answer: C
17)   

Relays work based on...

A.
B.
C.
D.
Answer: C
18)   

What is the purpose of a solenoid in vehicles?

A.
B.
C.
D.
Answer: C
19)   

ISO relays are standardized for use in...

A.
B.
C.
D.
Answer: B
20)   

A buzzer converts...

A.
B.
C.
D.
Answer: C
21)   

The contacts of a relay open or close due to...

A.
B.
C.
D.
Answer: B
22)   

Solenoids operate on the principle of...

A.
B.
C.
D.
Answer: A
23)   

Which of the following is a typical use of relays?

A.
B.
C.
D.
Answer: B
24)   

ISO relays follow standards by...

A.
B.
C.
D.
Answer: C
25)   

Which component produces an audible alert when energized?

A.
B.
C.
D.
Answer: C