Buttress threads are usually found on
A. Screw cutting lathes
B. Feed mechanisms
C. Spindles of bench vices
D. Railway carriage couplings
Answer: Option D
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Wrong answer.... Answer should be C
Why are you not correcting the answer #_examveda
exam veda please correct it , it is more serious question
right ans is c
Answer is wrong. Knuckle thread is used in railway couplings
Write answer is c
Spindles of Bench vices--Buttress thread
Railway carriage Coupling--Knuckle Thread
Right answer C
For railway....knuckle thread