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
Related Mcqs:
- Which of the following do not have identical dimensions ?
A. Momentum and impulse
B. Torque and energy
C. Torque and work
D. Kinetic energy and potential energy
E. Moment of a force and angular momentum - Which of the following is not the unit of pressure ?
A. kg/cm
B. ata
C. atmosphere
D. mm of wcl
E. newton - A cable with a uniformly distributed load per horizontal meter run will take the following shape________________?
A. straight line
B. parabola
C. hyperbola
D. elliptical
E. part of a circle - Which of the following is not the unit of energy_________________?
A. kg m
B. kcal
C. wattr
D. watt hours
E. kg m x (m/sec)2 - Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one___________________?
A. ellipse
B. hyperbola
C. parabola
D. circle
E. none of the above - Which of the following is not a vector quantity __________________?
A. weight
B. velocity
C. acceleration
D. force
E. moment - Which of the following is a vector quantity___________________?
A. energy
B. mass
C. momentum
D. angle
E. speed - In the equation of virtual work, following force is neglected_______________________?
A. reaction of any smooth surface with which the body is in contact
B. reaction of a rough surface of a body which rolls on it without slipping
C. reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
D. all of the above
E. none of the above - The resultant of the following three couples 20 kg force, 0.5 m arm, $ ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be__________________?
A. 20 kg, – ve sense
B. 20 kg, + ve sense
C. 10 kg, + ve sense
D. 10 kg, – ve sense
E. 45 kg, + ve sense - Pick up the incorrect statement from the following ?
A. The C.G. of a circle is at its center
B. The C.G. of a triangle is at the intersection of its medians
C. The C.G. of a rectangle is at the inter-section of its diagonals
D. The C.G. of a semicircle is at a distance of r/2 from the center
E. The C-G. of an ellipse is at its center
