TORSIONAL SHEAR STRESSES IN THREADS DUE TO FRICTIONAL RESISTANCE. S...

4. Torsional shear stresses in threads due to frictional resistance.

Select the correct answer using the codes given below:

(a) 1, 2 and 3

(b) 1, 2 and 4

(c) 2, 3 and 4

(d) 1, 3 and 4

IES-7. Ans. (a)

IES-8.

Match the following

[IES-1992]

List -I (Dynamometer)

List – II (Characteristics)

A. Torsion Dynamometer

1. High speeds and low power

B. Tesla fluid friction dynamometer

2. Power absorbed independent of

size of flywheel.

C. Prony brake

3. Power absorbed available for

useful applications

D. Swinging field dynamometer

4. Large powers

IES-8. Ans. (d)

S K Mondal’s

Chapter 6

IAS-1.

Rope brake dynamometer uses

[IAS-2001]

(a) Water as lubricant

(b) oil as lubricant

(c) Grease as lubricant

(d) no lubricant

IAS-1. Ans. (d)

IAS-2.

Consider the following statements regarding power: