Machine Design
Machine screws are

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A bolt

Has a head on one end and a nut fitted to the other
Has both the ends threaded
Is provided with pointed threads
Has head at one end and other end fits into a tapped hole in the other part to be joined

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Stress concentration is caused due to

Variation in properties of material from point to point in a member
Abrupt change of section
All of these
Pitting at points or areas at which loads on a member are applied

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
According to Indian standard specifications, 100 H6/g5 means that

Tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7
Tolerance grade for the shaft is 6 and for the hole is 5
Tolerance grade for the hole is 6 and for the shaft is 5
Tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7

ANSWER DOWNLOAD EXAMIANS APP