MECHANICAL ENGINEERING1. An impulse turbine(A) Makes use of a draft tube(B) Always operates submerged(C) Converts the pressure head into velocity head through the vanes(D) Is most suited for low head installations 2. Power required to drive a centrifugal pump is directly proportional to(A) Diameter of its impeller(B) Square of diameter of its impeller(C) Cube of diameter of its impeller(D) Fourth

GENERAL ENGINEERING 1. The probability of hitting a target from one gun 9/10, from another gun is 7/10. If both gun are fired at the same time, the probability of hitting the target is (A) 2/20 (B) 63/100 (C) 16/20 (D) 63/20 2. If the three vectors a, b and c are coplanar , then the missed product a x b. c is (A) Zero (B) Non-Zero (C) Unity (D) None of these 3. When a body hits an obstacle,

1. Two free parallel wires carrying current in the opposite directions (a) Attract each other (b) Repel each other (c) Do not effect each other (d) Get rotated to be perpendicular to each other Ans.(b) 2. All the magnetic materials looses their magnetic property when (a) Dipped in water (b) Dipped in oil (c) Brought near piece of iron (d) Strongly heated Ans.(d) 3. Potassium paramagnet is

1. The resultant force acting on a body will be zero if the body (a) Rotate with uniform deceleration (b) Rotate with uniform acceleration (c) Does not rotate (d) Rotates Ans: (c) 2. The movement of a force (a) Occurs about a point (b) Measures the capacity to do useful work (c) Occurs only when bodies are in motion (d) Measures the ability to produce turning or twisting about an axis Ans: (d)