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.

Calculate the wear strength for a pair of bevel gears having face width=20mm, module=5mm, No of teeth on pinion and gear 25 and 40 respectively and PCD of pinion=75mm.

A. 3668.5N
B. 4884.5N
C. 5126.6N
D. 4117.3N
Answer» C. 5126.6N
2.

If surface hardness for a par of bevel gears is 400BHN, then material constant is

A. 3N/mm
B. 2.56N/mm
C. 0.98N/mm
D. 1.44N/mm
Answer» C. 0.98N/mm
3.

Calculate the ratio factor Q if a pair of bevel gear consist of 25 teeth pinion meshing with a 40 teeth gear.

A. 1.964
B. 1.438
C. 1.554
D. 0.998
Answer» C. 1.554
4.

If velocity is 5m/s, then velocity factor for generated teeth is

A. 0.71
B. 1.1
C. 0.9
D. 1.71
Answer» B. 1.1