Machine Design
If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as

T sec²φ
T sec³φ
T/sec³φ
T cosecφ

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The creep in the belt is due to

Effect of temperature on belt
Stresses beyond elastic limit of belt material
Material of belt
Unequal extensions in the belt due to tight and slack side tensions

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A bolt

Has head at one end and other end fits into a tapped hole in the other part to be joined
Is provided with pointed threads
Has a head on one end and a nut fitted to the other
Has both the ends threaded

ANSWER DOWNLOAD EXAMIANS APP