Machine Design
If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio

None of these
Decreases
Increases
Remains unchanged

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Machine screws are

Slotted for a screw driver and generally used with a nut
Similar to stud
Similar to small size tap bolts except that a greater variety of shapes of heads are available
Used to prevent relative motion between two parts

ANSWER DOWNLOAD EXAMIANS APP