Machine Design
When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be

Square threads
Knuckle threads
Buttress threads
Acme threads

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Crowning on pulley helps

In increasing the slip of the belt
To keep the belt in centre on a pulley while it is in motion
In decreasing the slip of the belt
To increase pulley life

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Which is correct statement? Stress concentration in cyclic loading is

Seriousness would depend on other factors
Very serious in ductile materials and less serious in brittle materials
Very serious in brittle materials and less serious in ductile materials
Equally serious in both types of materials

ANSWER DOWNLOAD EXAMIANS APP