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 is not the unit of distance ?
A. angstrom
B. light year
C. micron
D. millimeter
E. milestone - Which of the following is not the unit of work, energy and heat ?
A. kcal
B. kg m
C. kWhr
D. hp
E. hp hr - Which of the following is not a vector quantity_______________?
A. weight
B. velocity
C. acceleration
D. force
E. moment - The C.G. of a right circular solid cone of height h lies at the following distance from the base_____________?
A. h/2
B. J/3
C. h/6
D. h/4
E. 3/i/5 - 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 - 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 - 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 - 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 - Which of the following is not a scalar quantity__________________?
A. time
B. mass
C. volume
D. density
E. acceleration - Which of the following is not the unit of pressure ?
A. kg/cm
B. ata
C. atmosphere
D. mm of wcl
E. newton
