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MCQ - Mechanical TNPSC JTO
JTO - 542 - Mechanic Electric Vehicle - 542 - Unit IX Checking and Troubleshooting of Wiring Circuits

76)   

MOST stands for:

A.
B.
C.
D.
Answer: B
77)   

CAN Bus systems reduce:

A.
B.
C.
D.
Answer: C
78)   

A key feature of LIN bus is:

A.
B.
C.
D.
Answer: B
79)   

Which bus system is used for infotainment systems?

A.
B.
C.
D.
Answer: C
80)   

CAN bus supports communication between:

A.
B.
C.
D.
Answer: C
81)   

PDU in EVs stands for:

A.
B.
C.
D.
Answer: B
82)   

HV systems in EVs typically operate above:

A.
B.
C.
D.
Answer: D
83)   

Voltage converters are used to:

A.
B.
C.
D.
Answer: B
84)   

HVIL stands for:

A.
B.
C.
D.
Answer: B
85)   

Isolation testing is done to:

A.
B.
C.
D.
Answer: B
86)   

HV cabling is typically color-coded as:

A.
B.
C.
D.
Answer: C
87)   

Switching devices in power electronics include:

A.
B.
C.
D.
Answer: B
88)   

An inverter in EVs converts:

A.
B.
C.
D.
Answer: C
89)   

Power electronics in vehicles manage:

A.
B.
C.
D.
Answer: B
90)   

Scan tools are used to:

A.
B.
C.
D.
Answer: C
91)   

Which connector is used for onboard diagnostics?

A.
B.
C.
D.
Answer: C
92)   

A diagnostic trouble code (DTC) helps to:

A.
B.
C.
D.
Answer: B
93)   

OBD-II port is generally located:

A.
B.
C.
D.
Answer: B
94)   

Scan tools communicate with vehicle ECUs via:

A.
B.
C.
D.
Answer: B
95)   

Faults in HV systems should be handled only by:

A.
B.
C.
D.
Answer: C
96)   

When testing HV cables, the first step is to:

A.
B.
C.
D.
Answer: C
97)   

High Voltage Systems should be repaired only after:

A.
B.
C.
D.
Answer: B
98)   

Power inverter faults can lead to:

A.
B.
C.
D.
Answer: B
99)   

In diagnostics, real-time data like engine speed is called:

A.
B.
C.
D.
Answer: A
100)   

Most scan tools display:

A.
B.
C.
D.
Answer: B