1000+ Mechanical Engineering Objective Questions Pdf - 2

Question: 6

The gravitational field intensity is maximum at the

(A) at a height above the surface

(B) centre of the earth

(C) pole

(D) equator

Question: 7

The curve of a catenary by nature is

(A) parabolic

(B) hyperbolic

(C) circular

(D) ellipse

Question: 8

For the maximum range of a projectile, the angle of projection should be

(A) 30°

(B) 45°

(C) 60°

(D) 90°

Question: 9

The tension in the wire rope supporting a lift moving with a uniform velocity

(A) remains constant irrespective of the lift movement

(B) is more when the lift is moving upwards

(C) is less when the lift is moving upwards

(D) is more when the lift is moving downwards

Question: 10

What will be the duration of day and night if the earth shrinks to half the present radius?

(A) 3 hour

(B) 6 hour

(C) 12 hour

(D) 24 hour