Machine Design (2171909) MCQs

MCQs of Design of Cranes

Showing 11 to 20 out of 36 Questions
1 2 3 4
11.

Which type of core is used in wire rope?

(a)

Fiber
(b)

Steel
(c)

Plastic
(d)

All of the mentioned
Answer:

Option (d)

12.

When compared to the rod of the same diameter and material, a wire rope

(a)

is less flexible
(b)

has a much smaller load-carrying capacity
(c)

does not provide much warning before failure
(d)

provides much greater time for remedial action before failure
Answer:

Option (b)

13.

Wire ropes as compared to cotton ropes

(a)

are lighter in weight
(b)

offer silent operation
(c)

can withstand shock loads
(d)

all of the mentioned
Answer:

Option (d)

14.

Wire ropes have

(a)

high strength to weight ratio
(b)

the silent operation even at high velocities
(c)

greater reliability
(d)

all of the mentioned
Answer:

Option (d)

15.

Wire rope specified as 8×10. Calculate the number of strands.

(a)

8
(b)

10
(c)

16
(d)

20
Answer:

Option (a)

16.

Wire rope is specified as 8×10. Calculate the number of steel wires in each strand.

(a)

5
(b)

8
(c)

10
(d)

20
Answer:

Option (c)

17.

Whether any core is required in wire ropes?

(a)

No
(b)

Yes
(c)

Sometimes
(d)

Rarely
Answer:

Option (b)

18.

If the wires in the strand are twisted in the same direction as the strands, then the rope is called a _____ lay rope.

(a)

Lang
(b)

Regular 
(c)

Ordinary
(d)

None of the listed
Answer:

Option (a)

19.

In cross or regular lay ropes

(a)

wires in two adjacent strands are twisted in the opposite direction
(b)

wires are not twisted
(c)

the direction of twist of wires in strands is opposite to the direction of twist of strands
(d)

direction of twist of wires and strands are same
Answer:

Option (c)

20.

Which among regular lay and lang lay are popular?

(a)

Regular Lay
(b)

Lang Lay
(c)

Both are equally used
(d)

Can’t be stated
Answer:

Option (a)

Showing 11 to 20 out of 36 Questions
1 2 3 4