Which one of the following statements is not correct_________________?

A. the tangent of the angle of friction is equal to coefficient of friction
B. the angle of repose is equal to angle of friction
C. the tangent of the angle of repose is equal to coefficient of friction
D. the sine of the angle of repose is equal to coefficient to friction
E. none of the above

A closed system is one in which_________________________?

A. mass does not cross boundaries of the system, though energy may do so
B. mass crosses the boundary but not the energy
C. neither mass nor energy crosses the boundaries of the system
D. both energy and mass cross the boundaries of the system
E. thermodynamic reactions take place

The process layout is best suited where______________?

A. specialisation exists
B. machines are arranged according to sequence of operation
C. few number of non-standardised units are to be produced
D. mass production is envisaged
E. bought out items are more

Stress concentration in cyclic loading is____________________?

Which is correct statement ?
A. very serious in brittle materials and less serious in ductile materials
B. very serious in ductile materials and less serious in brittle materials
C. equally serious in both types of materials
D. seriousness would depend on other factors
E. none of the above

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