A. 0.25
B. 0.45
C. 0.55
D. 0.65
E. 0.75
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 bolt___________________? Read More »
Machine Design 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
The following type of nut is used with alien bolt____________________? Read More »
Machine Design A. ductile fnaterials
B. brittle materials
C. elastic materials
D. all of the above
E. none of the above
Shear stress theory is applicable for____________________? Read More »
Machine Design 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
The function of a washer is to___________________? Read More »
Machine Design A. screw jack
B. aeroplane engines
C. crane
D. steering mechanism
E. bench vice
Ball bearing type screws are found in following application_____________________? Read More »
Machine Design 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
An alien bolt is___________________? Read More »
Machine Design 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
Set screws are_________________? Read More »
Machine Design