IT CAN NOT BBE USED AS ABE USED AS A

2.

It can not b

be used as a

Design of Joint

S K Mondal’s

Chapter 1

IES-28. The key shown in the above

figure is a

(a) Barth key

(b) Kennedy key

(c) Lewis key

(d) Woodruff key

[IES-2000]

IES-28. Ans. (a)

IES-29.

Match List I (Keys) with List II (Characteristics) and select the correct

answer using the codes given below the Lists: [IES-2000]

List

I

List

II

A. Saddle key

1. Strong in shear and crushing

B. Woodruff key

2. Withstands tension in one direction

C.

Tangent

key

3. Transmission of power through frictional

resistance

D. Kennedy key

4. Semicircular in shape

Code: A B C D A B C D

(a)

3 4 1 2 (b)

4 3 2 1

(c) 4 3 1 2 (d)

3 4 2 1

IES-29. Ans. (d)

IES-30.

Match List-I with List-II and select the correct answer using the code

given below the Lists: [IES-2009]

List-I List-II

(Description) (shape)

A. Spline 1. Involute

B. Roll pin 2. Semicircular

C. Gib-headed key 3. Tapered on on side

D. Woodruff key 4. Circular

(a)

1 3 4 2 (b)

2 3 4 1

(c) 1 4 3 2 (d)

2 4 3 1

IES-30. Ans. (c)

IES-31.

The shearing area of a key of length 'L', breadth 'b' and depth 'h' is equal to

(a) b x h

(b) Lx h

(c) Lx b

(d) Lx (h/2) [IES-1998]

IES-31. Ans. (c)

Splines

IES-32.

Consider the following statements:

[IES-1998]

A splined shaft is used for