A. 0.25
B. 0.45
C. 0.55
D. 0.65
E. 0.75
Machine Design
Machine Design
A. has a head on one end and a nut fitted to the other
B. has head at one end and other end fits into a tapped hole in the other part to be joined
C. has both the ends threaded
D. is provided with pointed threads
E. requires no nut
A. lOVZ
B. 10VZtol5Vd
C. 15Vdto20VZ
D. 20Vdto30Vd
E. 30V5″to40Vd
A. alien nut
B. hexagonal nut
C. slotted nut
D. castle nut
E. any one of the above
A. ductile fnaterials
B. brittle materials
C. elastic materials
D. all of the above
E. none of the above
A. ISO metric thread
B. acme thread
C. square thread
D. buttress thread
E. British Association thread
A. provide cushioning effect
B. provide bearing area
C. absorb shocks and vibrations
D. provide smooth surface in place of rough surface
E. act as a locking device
A. screw jack
B. aeroplane engines
C. crane
D. steering mechanism
E. bench vice
A. self locking bolt
B. same as stud
C. provided with hexagonal depression in head
D. used in high speed components
E. provided with countersunk head
A. similar to small size tap bolts except that a greater variety of shapes of heads are available
B. slotted for a screw driver and generally used with a nut
C. used to prevent relative motion be-tween parts
D. similar to stud
E. none of the above