Explore topic-wise MCQs in Automotive Engine Auxiliary Systems.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Auxiliary Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the mentioned below is not a type of valve?

A. Poppet valve
B. Sleeve valve
C. Rotary valve
D. Non-return valve
Answer» E.
Discussion
2.

The maximum power output of the engine would generally be increased by increasing what?

A. Throttle position
B. Valve drop
C. Power output
D. Valve peak lift
Answer» E.
Discussion
3.

Practically, Valve overlap at what range at BDC?a) 10°-30°b) 40°-75°c) 20°-60°d) 80°-150° 11.The maximum valve opening depends directly on what factor?

A. 10°-30°b) 40°-75°c) 20°-60°d) 80°-150° 11.The maximum valve opening depends directly on what factor?a) Throttle position
B. 40°-75°c) 20°-60°d) 80°-150° 11.The maximum valve opening depends directly on what factor?a) Throttle positionb) Valve drop
C. 20°-60°d) 80°-150° 11.The maximum valve opening depends directly on what factor?a) Throttle positionb) Valve dropc) Power output
D. 80°-150° 11.The maximum valve opening depends directly on what factor?a) Throttle positionb) Valve dropc) Power outputd) Valve peak liftView Answer
Answer» E.
Discussion
4.

Practically, Valve overlap at what range at TDC?

A. 10°-30°
B. 40°-75°
C. 20°-60°
D. 80°-150°
Answer» D. 80°-150°
Discussion
5.

Practically, Exhaust valve opens at what range before BDC?

A. 10°-30°
B. 40°-75°
C. 20°-60°
D. 80°-150°
Answer» C. 20°-60°
Discussion
6.

Practically, the inlet valve opens between what range before TDC?

A. 10°-30°
B. 40°-75°
C. 20°-60°
D. 80°-150°
Answer» B. 40°-75°
Discussion
7.

What is the event known as when the inlet valve is generally closed after 45° of BDC?

A. Valve bent
B. Valve break
C. Valve lag
D. Valve lead
Answer» D. Valve lead
Discussion
8.

What is the event known as when the inlet valve is generally opened about 50° TDC is known as?

A. Valve bent
B. Valve break
C. Valve lag
D. Valve lead
Answer» E.
Discussion
9.

Due to which factor, the valves can’t open instantaneously?

A. Inertia
B. Torsional
C. Momentum
D. Point load
Answer» B. Torsional
Discussion
10.

Theoretically, the exhaust valve should open till the piston reaches which position?

A. Bottom dead centre
B. Side centre position
C. Bottom side position
D. Top dead centre
Answer» E.
Discussion
11.

Theoretically, the inlet valve should close at what position of the piston?

A. Bottom dead centre
B. Side centre position
C. Bottom side position
D. Top dead centre
Answer» B. Side centre position
Discussion
12.

Theoretically, the inlet valve should open at what position of the piston?

A. Bottom dead centre
B. Side centre position
C. Bottom side position
D. Top dead centre
Answer» E.
Discussion