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

76)   

 Which symbol indicates a heavy-duty switch?

A.
B.
C.
D.
Answer: C
77)   

 The contact breaker in ignition circuits is usually symbolized by:

A.
B.
C.
D.
Answer: C
78)   

 The earth symbol in automotive electrical diagrams is used to show:

A.
B.
C.
D.
Answer: C
79)   

  Which symbol indicates a pneumatic direct actuator in diagrams?

A.
B.
C.
D.
Answer: C
80)   

 Which component is represented by a zigzag line with no arrows?

A.
B.
C.
D.
Answer: A
81)   

Which gear is used in automobile differentials for smooth power distribution? 

A.
B.
C.
D.
Answer: B
82)   

 The rack and pinion mechanism is best suited for:

A.
B.
C.
D.
Answer: B
83)   

 Which component converts chemical energy into mechanical rotation in EVs?

A.
B.
C.
D.
Answer: C
84)   

  A flat type rim is generally used in:

A.
B.
C.
D.
Answer: B
85)   

 Auxiliary batteries in electric vehicles are primarily used for:

A.
B.
C.
D.
Answer: C
86)   

 In vacuum-suspended power brake systems, vacuum is applied to:

A.
B.
C.
D.
Answer: B
87)   

 The distributor-less ignition system eliminates the need for:

A.
B.
C.
D.
Answer: D
88)   

 What is the purpose of the alternator in a vehicle?

A.
B.
C.
D.
Answer: A
89)   

 Which wire configuration is used for magnetic contactor on-line starter?

A.
B.
C.
D.
Answer: C
90)   

 The circuit for a rear passenger window includes:

A.
B.
C.
D.
Answer: C
91)   

 Which component in an EPS system interprets torque and position signals? 

A.
B.
C.
D.
Answer: B
92)   

 The electric car block diagram shows the traction battery connected to the motor via: 

A.
B.
C.
D.
Answer: B
93)   

 What is shown between the driver switch and door actuator in the central locking block diagram? 

A.
B.
C.
D.
Answer: B
94)   

Which of the following block diagrams includes regenerative braking?

A.
B.
C.
D.
Answer: C
95)   

What function is provided by the controller in an electric vehicle?

A.
B.
C.
D.
Answer: C
96)   

 Which refrigerant system uses a liquid cooler and water-cooled condenser? 

A.
B.
C.
D.
Answer: D
97)   

 In RAC systems, dry nitrogen is used during pressure testing to: 

A.
B.
C.
D.
Answer: B
98)   

 A condenser water pump is controlled electrically to:

A.
B.
C.
D.
Answer: C
99)   

  VRF system is preferred over split systems because of:

A.
B.
C.
D.
Answer: B
100)   

 In RAC block diagrams, what is shown as the cause in the problem tree of brine leak? 

A.
B.
C.
D.
Answer: B