A. ductile at high temperature

B. hard when hot

C. brittle when cold

E. brittle under all conditions

A. none of the above

B. greater shock absorption

C. smoother inside walls

E. lighter and easier to handle

A. casting

B. precasting

D. unconventional methods

E. welding

A. becomes zero when external load is removed

B. acts when external load is applied

D. is always harmful

E. is always beneficial

A. whose lower as well as upper deviations are zero

B. whose lower deviation is zero

C. does not exist

E. none of the above

B. gib head key

C. hollow saddle key

D. feather key

E. wood-ruff key

A. 1:02

B. 1 : l

C. 2:03

E. 2:01

A. BSW

B. metric

C. square

D. buttress

A. elastic materials

B. ductile materials

C. all of the above

E. none of the above

A. none of the above

B. slotted for a screw driver and generally used with a nut

C. similar to small size tap bolts except that a greater variety of shapes of heads are available

E. similar to stud

A. straining

B. sudden loading

C. creep

E. impact loading

B. a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip

C. through slots are made at top and a cotter-pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at the other end

D. one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming

E. none of the above

A. ISO metric thread

C. square thread

D. acme thread

E. British Association thread

A. do not require external supply of lubricant

B. grease is used for lubrication

C. none of the above

D. the oil film is maintained by supplying oil under pressure

A. self locking bolts

C. designed for shock load

D. used in aircraft application

E. uniform strength bolts

A. 10

B. 20

C. 60.

E. 30

A. provide cooling action

B. help remove chips

D. none of the above

E. lubricate the dies

B. provide cushioning effect

C. absorb shocks and vibrations

D. provide smooth surface in place of rough surface

E. act as a locking device

A. directly as load

C. inversely as fourth power of load

D. none of the above

E. inversely as square of load

A. universal joint

C. bolted joint

D. universal coupling

E. kunckle joint

A. load required to produce unit deflection

C. nothing

D. indication of quality of spring

E. its capability of storing energy

A. a member made of steel will generally be more rigid than a member of equal load-carrying ability made of cast iron

C. both will be equally rigid

D. which one is rigid will depend on several other factors

E. none of the above

A. increase with increase in y

B. depend on other considerations

C. none of the above

E. decrease with decrease in y

A. 8

B. 5

C. 15

D. 40.

A. static as well as dynamic load

B. static load

D. impact load

E. dynamic load

A. same in both cases

B. 2 times more

D. 4 times more

E. unpredictable

A. be across threaded portion of shank

C. none of the above

D. be normal to threaded portion of shank

E. be parallel to axis of bolt

A. none of the above

C. direction of twist of wires and strands are same

D. wires are not twisted

E. direction of twist of wires in strands is opposite to the direction of twist of strands

A. tough

B. elastic

D. plastic

E. brittle

A. in the middle

B. anywhere in the bolt

D. shank

E. head

A. increase its length

C. all of the above

D. increase shank diameter

E. tighten die bolt properly

B. bolt of 33 mm nominal diameter having 2 threads per cm

C. metric threads with cross-section of 33 mm

D. metric threads of 33 nos in 2 cm.

E. none of the above

A. screws

B. cotters

C. keys

E. bolts

A. 0.75

C. 0.5

D. 0.2

E. 0.6

A. all of the above

B. thickness of plates to be riveted

C. length of rivet

E. diameter of head

B. a slot is cut partly in middle of nut and then slot reduced by tightening a screw

C. through slots are made at top and a cotter-pin is passed through these and a hole in the bolt, and cotter spitted and bent in reverse direction at other end

D. a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip

E. none of the above

A. feather key

C. hollow saddle key

D. flat saddle key

E. gib head key

A. screw jack

B. feed mechanisms

C. spindles of bench vices

D. screw cutting lathes