- (A) fine threads
- (B) coarse threads
- (C) coefficient of friction > tangent of load angle
- (D) hole for inserting split pin
- (E) two nuts for locking
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- (A) a member made of steel will generally be more rigid than a member of equal load-carrying ability made of cast iron
- (B) a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel
- (C) both will be equally rigid
- (D) which one is rigid will depend on several other factors
- (E) none of the above
- (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) 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
