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

None of these
Remains unchanged
Increases
Decreases

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
For same pulley diameters, center distance, belt speed and belt and pulley materials,

Open belt drive transmits more power than crossed belt drive
Power transmission does not depend upon open and crossed types of constructions
Open and crossed belt drives transmit same power
Crossed belt drive transmits more power than open belt drive

ANSWER DOWNLOAD EXAMIANS APP