Machine Design Test series 1

Knuckle joint is used to transmit..

• Axial tensile load

• Axial compressive load

• Bending stress

• Torsional stress

Cotter pin is designed for

• Shear

• Bending

• Crushing

• Torsion

18/8 stainless Steel contains

• 18% Nickel & 8% Chromium

• 18% Chromium & 8% Nickel

• 18% Nickel & 8% Vanadium

• 18% Vanadium & 8% Nickel

The stress concentration factors are determined by

• Theories of photo-elasticity

• Theory of elasticity

• Theory of plasticity

• None of these

Which are the cyclic stresses

• Repeated stresses

• Fluctuating stresses

• Both a and b

• None of these

The maximum principle stress theory is proper choice for

• Brittle material

• Ductile Material

• Both a and b

• None of these

Under maximum principal stress theory, maximum principal stress is equal to

• Allowable stress in tension

• Allowable stress in compression

• Both a and b

• None of these

Maximum principal theory is also known as

• Guest Theory

• Rankine Theory

• Both a and b

• None of these

The objective of standardization is

• Cost reduction

• Quality improvement

• Mass production

• All of these

Selection of factor of safety is based on

• Reliability of applied load

• Extent of localized stresses

• Extent of loss of life if failure occurs

• All of these