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.

Calculate the width of the ring groove when h=5mm?

A. 3 to 5.8mm
B. 3.75 to 5mm
C. 4 to 5.9mm
D. 4.7 to 5.2mm
Answer» C. 4 to 5.9mm
2.

Calculate the distance from the top of the piston to the first ring grove when th=7mm?

A. 8.5 to 10mm
B. 7.5 to 9mm
C. 7 to 8.4mm
D. 8 to 9.4mm
Answer» D. 8 to 9.4mm
3.

What is the gap between the free ends of the ring after assembly when D=80mm?

A. 0.7 to 0.43mm
B. 0.11 to 0.25mm
C. 0.1 to 1.9mm
D. 0.16 to 0.32mm
Answer» E.
4.

What is the gap between the free ends of the ring before assembly when b=6mm?

A. 21 to 24mm
B. 20 to 23mm
C. 22 to 23mm
D. 21 to 25mm
Answer» B. 20 to 23mm
5.

Which type of piston rings are preferred in an engine?

A. Oversized rings
B. Undersized rings
C. Thin rings
D. Thick rings
Answer» D. Thick rings
6.

Calculate the thickness of the piston barrel at the lower end when t3=13mm?

A. 4.5 to 5mm
B. 3.25 to 4.55mm
C. 5.6 to 7mm
D. 2.25 to 4.6mm
Answer» C. 5.6 to 7mm
7.

Calculate the thickness of the piston barrel at the top end, when D=80mm and b=7.5mm?

A. 14.8mm
B. 15.6mm
C. 13.7mm
D. 16.6mm
Answer» B. 15.6mm
8.

In the formula t3=(0.03D+b+4.9) what is the unit of b?

A. m
B. μm
C. mm
D. mm2
Answer» D. mm2
9.

Which of the mentioned below is the formula for calculating the thickness of the piston barrel at the top end?

A. t4=(0.03D+b+4.9)
B. t4=0.03D+b+6.9)
C. t3=(0.03D+b+4.9)
D. t3=0.03D+t4+4.9)
Answer» D. t3=0.03D+t4+4.9)
10.

Where can we see the piston barrel in the piston?

A. Above the piston head
B. Below piston ring
C. Below the wrist pin
D. Below the piston head
Answer» E.