Machine Design

A. is just sufficient to hold parts together
B. approaches yield point
C. is 50% of yield point
D. is about yield point divided by safety factor
E. none of the above

A. self locking bolts
B. designed for shock load
C. used in aircraft application
D. provided with hexagonal depression in head
E. uniform strength bolts

A. 18
B. 16
C. 20
D. 22
E. 14

A. direction of twist of wires in strands is opposite to the direction of twist of strands
B. direction of twist of wires and strands are same
C. wires in two adjacent strands are twisted in opposite direction
D. wires are not twisted
E. none of the above

A. whose upper deviation is zero
B. whose lower deviation is zero
C. whose lower as well as upper deviations are zero
D. does not exist
E. none of the above

A. yes
B. no
C. sometimes
D. rarely
E. very often

A. 5°
B. 8°
C. 15°
D. 25°
E. 40°.

A. same time to reach earth
B. times proportional to weight to reach earth
C. times inversely proportional to weight to reach earth
D. unpredictable
E. none of the above

A. the oil film pressure is generated only by the rotation of the journal
B. the oil film is maintained by supplying oil under pressure
C. do not require external supply of lubricant
D. grease required to be applied after some intervals
E. none of the above

A. nil or lightest
B. maximum
C. average
D. any one of the above
E. unpredictable