Machine Design MCQ Questions & Answers | Mechanical Engineering

A. $${90^ \circ } - \varphi $$

B. $${45^ \circ } - \varphi $$

C. $${45^ \circ } - \frac{\varphi }{2}$$

D. $${45^ \circ } + \frac{\varphi }{2}$$

A. Determining brittleness

B. Protecting metal against corrosion

C. Protecting metal against wear and tear

D. Experimental stress analysis

A. Maximum principal stress theory

B. Maximum shear stress theory

C. Maximum strain energy theory

D. Maximum distortion energy theory

A. Normalising

B. Full annealing

C. Process annealing

D. Spheroidising

A. 0.20

B. 0.35

C. 0.50

D. 0.65

A. Increases the power transmitted

B. Decreases the power transmitted

C. Has no effect on the power transmitted

D. Is equal to maximum tension on the belt

A. 6 kN/m

B. 12 kN/m

C. 24 kN/m

D. 30 kN/m

A. $$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_{\text{2}}}}} = \mu \theta \times {\text{n}}$$

B. $$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\mu \theta } \right)^{\text{n}}}$$

C. $$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\frac{{1 - \mu \tan \theta }}{{1 + \mu \tan \theta }}} \right)^{\text{n}}}$$

D. $$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\frac{{1 + \mu \tan \theta }}{{1 - \mu \tan \theta }}} \right)^{\text{n}}}$$

A. Effective length of column to least radius of gyration of the column

B. Width of column to depth of column

C. Maximum size of column to minimum size of column

D. Effective length of column to width of column

A. Length of arc of recess to the circular pitch

B. Length of path of contact to the circular pitch

C. Length of arc of contact to the circular pitch

D. Length of arc of approach to the circular pitch