Engineering :: Materials Handling

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31.

Wrought iron

A.	is brittle	B.	has shock absorbing properties
C.	can be easily welded using electric arc	D.	all of the above

32.

Chains for material handling equipment are generally made of

A.	cast iron	B.	wrought iron
C.	mild steel	D.	carbon steel

33.

A chain link while in use may be subjected to

A.	bending	B.	shear
C.	tension	D.	Any of the above

34.

Small chain hooks are generally

A.	cast	B.	cast and machined
C.	cold headed	D.	drop forged

35.

Welded link wheel chains are surface hardened to

A.	increase shock absorption capacity	B.	increase load carrying capacity
C.	provide adequate wear life	D.	all of the above

36.

Hoisting and haulage ropes are frequently greased to

A.	minimize wear	B.	prevent corrosion
C.	both (A) and (B) above

37.

Lifting magnets are used as material handling devices for

A.	pig iron	B.	billets
C.	tubes	D.	all of the above

38.

Which of the following cannot be handled using lifting magnets?

A.	Scrap iron	B.	Mild steel plates
C.	High manganese steel	D.	Castings of cast iron

39.

Most of the lifting magnets are

designed for continuous duty

not designed for continuous duty

40.

Lifting magnets cannot be used for

A.	under water handling	B.	handling materials above dull-red heat
C.	handling dust of magnetic materials	D.	handling ferrous castings