Machine Design - Study Mode
[#206] Which of the following has threads at both ends?
Correct Answer
(C) Stud
[#207] The material generally used for aircraft components is
Correct Answer
(D) Aluminium
[#208] A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as,
Correct Answer
(A) Hollow saddle key
[#209] In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because
Correct Answer
(C) The new belt will carry more than its share and result in short life
[#210] A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct?
Correct Answer
(D) There are five rivets per pitch length, out of which four are in double shear and one is in single shear