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.Management Sciences
Category: Strength of Materials
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
Tangent of angle of friction is equal to_________________?
A. kinetic friction
B. limiting friction
C. angle of repose
D. coefficient of friction
E. friction force
The unit of work or energy in S.I. units is________________?
A. newton
B. pascal
C. kilogram meter
D. watt
E. joule
Angle oT friction is the___________________?
A. angle between normal reaction and the resultant of normal reaction and the limiting friction
B. ratio of limiting friction and normal reaction
C. the ratio of minimum friction force to the friction force acting when the body is just about to move
D. the ratio of minimum friction force to friction force acting when the body is in motion
E. ratio of static and dynamic friction
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction__________________?
A. along the plane
B. horizontally
C. vertically
D. at an angle equal to the angle of friction to the inclined plane
E. unpredictable
Which of the following is the example of lever of first order________________?
A. arm of man
B. pair of scissors
C. pair of clinical tongs
D. all of the above
E. none of the above
If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be___________________?
A. maximum
B. minimum
C. zero
D. infinity
E. same as the force applied
Forces are called concurrent when their lines of action meet in_______________?
A. one point
B. two points
C. plane
D. perpendicular planes
E. different planes
The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of__________________?
A. friction
B. limiting friction
C. repose
D. kinematic friction
E. static friction
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