1000+ GATE Mechanical Engineering Previous Year Papers with Solutions - 1

Question: 1

A jet engine works on the principle of

(A) conservation of mass

(B) conservation of mass and momentum

(C) conservation of linear momentum

(D) conservation of energy

Ans: B

conservation of mass and momentum

Question: 2

The forces which meet at one point but their lines of action do not lie in one plane, are called

(A) non-coplanar concurrent forces

(B) non-coplanar nonconcurrent forces

(C) coplanar noncurrent forces

(D) coplanar concurrent forces

Ans: A

non-coplanar concurrent forces

Question: 3

The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down is known as

(A) angle of limiting friction

(B) angle of repose

(C) angle of friction

(D) angle of inclination

Ans: B

angle of repose

Question: 4

The moment of a force is

(A) equivalent to the sum of horizontal components of the moments on a body

(B) equivalent to the algebraic sum of the moments acting on a body

(C) equivalent to the vertical sum of the moments acting on a body

(D) equivalent to the sum of the moments acting on a body

Ans: B

equivalent to the algebraic sum of the moments acting on a body

Question: 5

The coefficient of friction is

(A) the tangent of the angle between the normal reaction and direction of limiting friction

(B) the tangent of the angle of the net resultant force with the direction of motion

(C) the tangent of the angle between the normal reaction and the resultant of the normal reaction and the limiting friction

(D) the angle between the normal reaction and the resultant of normal reaction and the limiting friction

Ans: A

the tangent of the angle between the normal reaction and direction of limiting friction

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