Machine Design - Study Mode
[#131] If T is the actual number of teeth on a helical gear and $$varphi $$ is the helix angle for the teeth, then formative number of teeth is written as
Correct Answer
(A) $${ ext{T}}{sec ^3}varphi $$
[#132] In a flange coupling, the flanges are coupled together by means of
Correct Answer
(A) Bolts and nuts
[#133] A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel.
Correct Answer
(B) Less than
[#134] The application of third type levers is found in
Correct Answer
(A) A pair of tongs
[#135] The application of second type levers is found in
Correct Answer
(C) Lever of a loaded safety valve