Machine Design
Which of the following screw thread is used for power transmission in one direction only?

Multiple threads
Buttress threads
Square threads
Acme threads

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In hydrostatic bearings

Grease is used for lubrication
The Oil film pressure is generated only by the rotation of the journal
Do not require external supply of lubricant
The oil film is maintained by supplying oil under pressure

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A fast and loose pulley drive is used when

Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft
Shafts are arranged parallel and rotate in the opposite directions
Shafts are arranged parallel and rotate in the same directions
Shafts are arranged at right angles and rotate in one definite direction

ANSWER DOWNLOAD EXAMIANS APP