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

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal__________________?

A. Density of metal can’t be determined
B. Metal is twice as dense as water
C. Metal will float in water
D. Metal is twice as dense as unknown fluid

The C.G. of a plane lamina will not be at its geometrical centre in the case of a __________________?

A. Right angled triangle
B. Equilateral triangle
C. Square
D. Circle

The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is________________?

A. Same
B. Double
C. Half
D. Four times

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

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_______________?

A. 38 m
B. 62.5 m
C. 96 m
D. 124 m

In actual machines_____________________?

A. Mechanical advantage is greater than velocity ratio
B. Mechanical advantage is equal to velocity ratio
C. Mechanical advantage is less than velocity ratio
D. Mechanical advantage is unity

A cable with a uniformly distributed load per horizontal metre run will take the following shape_________________?

A. Straight line
B. Parabola
C. Hyperbola
D. Elliptical

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

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