Mechanical Engineering Questions And Answers :: Machine Design: part5



Mechanical Engineering : Machine Design QUESTIONS AND ANSWERS :: part5 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to

diameter of bolt
0.75 x diameter of bolt
1.25 x diameter of bolt
1.5 x diameter of bolt
0.5 x diameter of bolt.

12.Whether any core is required in wireropes

yes
no
sometimes
rarely
very often.

13.In standard taper roller bearings, the angle of taper of outer raceway is

5�
8�
15�
25�
40�.

14.Oil in journal bearing should be applied at the point where load is

nil or lightest
maximum
average
any one of the above
unpredictable.

15.Three different weights fall from a certain height under vacuum. They will take

same time to reach earth
times proportional to weight to reach earth
times inversely proportional to weight to reach earth
unpredictable
none of the above.

More Machine Design QUESTIONS AND ANSWERS available in next pages

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