Explore topic-wise MCQs in Automobile Engineering.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Automobile Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Three-way catalytic converters reduce the emission of CO, HC, and soot.

A. True
B. False
Answer» C.
2.

What can be reduced by using exhaust gas recirculation (EGR) effectively?

A. CO
B. NO<sub>x</sub>
C. HC
D. CO and HC
Answer» C. HC
3.

Which of the following cannot be reduced by thermal converters?

A. CO
B. HC
C. Soot
D. NO<sub>x</sub>
Answer» E.
4.

Why is the fumigation technique used?

A. To control HC
B. To control NO<sub>x</sub>
C. To control CO
D. To control smoke
Answer» E.
5.

During which condition of the vehicle does NOx emission in SI engine will be lowest?

A. Cruising
B. Idling
C. Accelerating
D. Decelerating
Answer» C. Accelerating
6.

Which of the following is one of the major exhaust emissions from CI engines compared to SI engines?

A. Oxides of nitrogen
B. Particulates
C. CO and CO<sub>2</sub>
D. Unburnt hydrocarbon
Answer» C. CO and CO<sub>2</sub>