Explore topic-wise MCQs in Machine Design.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following steel given in options respond fastest and easily to heat treatment?

A. 7C4
B. 10C4
C. 30C8
D. 40C8
Answer» E.
2.

Which of the steel in given options is best suited for auto mobile bodies and hoods?

A. 7C4
B. 10C4
C. 30C8
D. 40C8
Answer» B. 10C4
3.

In the designation xCb which of the following are true?

A. x indicates 100 times the average % of carbon
B. b indicates 100 times the average percentage of manganese
C. x indicates 10 times the average percentage of carbon while b indicates 100 times the average percentage of manganese
D. b indicates 100 times the average % of carbon
Answer» B. b indicates 100 times the average percentage of manganese
4.

Which of the following are true for high carbon steels?

A. Carbon content=0.4%
B. Respond readily to heat treatments
C. Have much ductility as compared to low and medium carbon steels
D. Easy to weld
Answer» C. Have much ductility as compared to low and medium carbon steels