[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A. metric threads of 33 nos in 2 cm.
B. metric threads with cross-section of 33 mm
C. metric threads of 33 mm outside diameter and 2 mm pitch
D. bolt of 33 mm nominal diameter having 2 threads per cm
E. none of the above
The designation M 33 x 2 of a bolt means___________________? Read More »
Machine Design A. thickness of plates to be riveted
B. length of rivet
C. diameter of head
D. nominal diameter
E. all of the above
Rivets are generally specified by_______________? Read More »
Machine Design A. bolts
B. keys
C. cotters
D. rivets
E. screws
Which of the following is a permanent fastening ? Read More »
Machine Design A. 0.2
B. 0.25
C. 0.50
D. 0.6
E. 0.75
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 and then slot reduced by tightening a screw
C. a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
D. through slots are made at top and a cotter- is passed through these and a hole in the bolt, and cotter spitted and bent in reverse direction at other end
E. none of the above
Jam nut is a locking device in which _____________________? Read More »
Machine Design A. screw cutting lathes
B. feed mechanisms
C. sdles of bench vices
D. screw jack
E. railway carriage couplings
Buttress threads are usually found on____________________? Read More »
Machine Design A. wood-ruff key
B. feather key
C. flat saddle key
D. gib head key
E. hollow saddle key
A. wood-ruff key
B. feather key
C. flat saddle key
D. gib head key
E. hollow saddle key
A. right hand threads on bout ends
B. left hand threads on both ends
C. left hand threads on one end and right hand threads on other end
D. no threads
E. threads in middle portion
Turn buckle has____________________? Read More »
Machine Design