Question: A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called [A]. plasticity [B]. elasticity [C]. ductility [D]. malleability Answer: Option D Explanation: No answer description available for this question.
The designation M 33 x 2 of a bolt means___________________? A. metric threads of 33 nos in 2 cm. B. metric threads with cross-section of 33 mmC. metric threads of 33 mm outside diameter and 2 mm pitch D. bolt…
Rivets are generally specified by_______________? A. thickness of plates to be riveted B. length of rivet C. diameter of headD. nominal diameter E. all of the above
Which of the following is a permanent fastening ? A. bolts B. keys C. cottersD. rivets E. screws
If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to___________________? A. 0.2B. 0.25 C. 0.50 D. 0.6 E. 0.75
Jam nut is a locking device in which _____________________? A. one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming B. a slot is cut partly in middle of nut…
Buttress threads are usually found on____________________? A. screw cutting lathes B. feed mechanisms C. sdles of bench vices D. screw jackE. railway carriage couplings
A key capable of tilting in a recess milled out in a shaft is known as______________________? A. wood-ruff key B. feather key C. flat saddle key D. gib head key E. hollow saddle key
A tapered key which fits in a keyway in the hub and is flat on the shaft, is known as___________________? A. wood-ruff key B. feather keyC. flat saddle key D. gib head key E. hollow saddle key
Turn buckle has____________________? A. right hand threads on bout ends B. left hand threads on both endsC. left hand threads on one end and right hand threads on other end D. no threads E. threads in middle portion