MCQ - Mechanical TNPSC JTO
JTO - 551 - Engineering Drawing and Draughtsman - 551 - unit - 09 - Mechanical Automobile RAC Components

51)   

 Which of the following symbols indicates a 'manual push button'?

A.
B.
C.
D.
Answer: A
52)   

 Which symbol is used for 'battery' in an automobile electrical diagram?

A.
B.
C.
D.
Answer: A
53)   

 A roller-operated switch symbol represents:

A.
B.
C.
D.
Answer: C
54)   

 The symbol for a voltmeter typically includes:

A.
B.
C.
D.
Answer: A
55)   

 In diagrams, a “coil” symbol is generally used to represent:

A.
B.
C.
D.
Answer: C
56)   

Which type of gear is typically used in final drive of rear-wheel-drive vehicles? 

A.
B.
C.
D.
Answer: B
57)   

 Which automotive part stores and supplies high voltage in the ignition system? 

A.
B.
C.
D.
Answer: C
58)   

 Disc brakes are preferred over drum brakes because they:

A.
B.
C.
D.
Answer: C
59)   

 Which EV part converts AC from charge port into DC for storage in the battery? 

A.
B.
C.
D.
Answer: C
60)   

 Which of the following is a component of the EV powertrain?

A.
B.
C.
D.
Answer: C
61)   

 Which system in a vehicle uses a flasher unit?

A.
B.
C.
D.
Answer: C
62)   

 In the twin-horn circuit, what ensures the horns operate alternately or together?

A.
B.
C.
D.
Answer: C
63)   

 The solenoid switch in a starting circuit is responsible for:

A.
B.
C.
D.
Answer: C
64)   

 The electric horn uses which principle for operation?

A.
B.
C.
D.
Answer: B
65)   

Which part of the electric car wiring diagram controls power flow to motor?

A.
B.
C.
D.
Answer: A
66)   

 In an EV powertrain block diagram, the component between battery and motor is usually: 

A.
B.
C.
D.
Answer: B
67)   

 Which part in an automatic transmission block diagram controls shift pressure?

A.
B.
C.
D.
Answer: C
68)   

  In the electronic automatic gearbox, the role of sensors is to:

A.
B.
C.
D.
Answer: C
69)   

 The plug-in electric vehicle (PEV) block diagram includes:

A.
B.
C.
D.
Answer: B
70)   

 The block diagram of EPS does not include:

A.
B.
C.
D.
Answer: C
71)   

 In RAC systems, what protects the motor from overcurrent?

A.
B.
C.
D.
Answer: C
72)   

 What is the function of the King valve in RAC systems?

A.
B.
C.
D.
Answer: B
73)   

 The wiring diagram of a cold storage plant includes how many compressor motors in the standard setup?

A.
B.
C.
D.
Answer: C
74)   

 The upright freezer wiring diagram includes which type of defrost control? 

A.
B.
C.
D.
Answer: A
75)   

 The branch selector unit in VRF systems enables:

A.
B.
C.
D.
Answer: B