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

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The fatigue stress concentration factor is defined as

The ratio of endurance limit without stress concentration to the endurance limit with stress concentration
All of these
The product of the endurance limits with and without stress concentration
The ratio of endurance limit with stress concentration to the endurance limit without stress concentration

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A bolt of M 24 × 2 means that

The pitch of the thread is 24 mm and depth is 2 mm
The effective diameter of bolt is 24 mm and there are 2 threads per cm
Cross-sectional area of the threads is 24 mm²
The nominal diameter of bolt is 24 mm and pitch is 2 mm

ANSWER DOWNLOAD EXAMIANS APP