Fundamentals of Machine Design (3141907) MCQ

MCQs of Shafts and Keys

MCQ No - 1

Which property is not required for shaft materials?

(A) High shear and tensile strength
(B) Good machinability
(C) High fatigue strength
(D) Good castability

D
MCQ No - 2

When a solid shaft is subjected to a torsion, the shear stress induced in the shaft at its center is

(A) minimum
(B) zero
(C) maximum
(D) average

B
MCQ No - 3

The design of shafts made of brittle materials is based on

(A) Guest's theory
(B) Rankine's theory
(C) St Venant's theory
(D) VonMises theory

B
MCQ No - 4

When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under

(A) tensile stress
(B) compressive stress
(C) shear stress
(D) bending stress

C
MCQ No - 5

The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. the radius of the shaft) is known as

(A) bending moment
(B) twisting moment
(C) torsional rigidity
(D) flexural rigidity

B