Explore topic-wise MCQs in Automotive Engine Components Design.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Components Design knowledge and support exam preparation. Choose a topic below to get started.

1.

Low-speed engines have which cross-section?

A. Rectangular-section
B. Circular-section
C. Square-section
D. Triangular-section
Answer» C. Square-section
Discussion
2.

Most connecting rods in high-speed engines have which cross-section?

A. T-section
B. Square
C. I-section
D. C- section
Answer» D. C- section
Discussion
3.

In low-speed engines, L/r ratio varies from?

A. 2
B. 5 to 7
C. 3
D. 4 to 5
Answer» E.
Discussion
4.

Calculate the diameter of crankpin when Pc=42951.46, lc=1.1dp and (pb)c=8.5?

A. 67.78mm
B. c=8.5?a) 67.78mmb) 77.65mm
C. 57.23mm
D. 47.54mm
Answer» B. c=8.5?a) 67.78mmb) 77.65mm
Discussion
5.

In the formula Pc=dclc(pb)c, what is the unit of lc?

A. m
B. c, what is the unit of lc?a) mb) km
C. mm
D. N-mm
Answer» D. N-mm
Discussion
6.

Calculate the diameter of the piston pin when Pc=42951.46, lp=1.8dp, and (pb)p=14?

A. 35.88mm
B. p=14?a) 35.88mmb) 41.28mm
C. 45.89mm
D. 39.33mm
Answer» C. 45.89mm
Discussion
7.

In the formula Pc=dplp(pb)p what is dp?

A. Inner Diameter of the bush
B. p what is dp?a) Inner Diameter of the bushb) Outer Diameter of the bush
C. Inner Diameter of the bore
D. Outer Diameter of the bore
Answer» B. p what is dp?a) Inner Diameter of the bushb) Outer Diameter of the bush
Discussion
8.

What is the l/d ratio for the crank pin?

A. 1 to 2.5
B. 1.5 to 1.9
C. 1.25 to 1.5
D. 1.67 to 1.9
Answer» D. 1.67 to 1.9
Discussion
9.

Using which process piston pin bearing is manufactured?

A. Forming
B. Forging
C. Casting
D. Machining
Answer» D. Machining
Discussion
10.

Which material is used in piston pin bearing?

A. Nickel-chromium
B. Silver
C. Iron
D. Phosphor bronze
Answer» E.
Discussion