RRB Junior Engineer (JE) Sample Paper: General Science-2

1. When the speed of car is doubled then what will be the braking force of the car to stop it in the same distance ?

(a) four times
(b) two times
(c) half
(d) one fourth

2. The dimension of which of the following is the same as that of impulse?

(a) Volume
(b) Momentum
(c) Torque
(d) Change in the rate of momentum

3. Which among the following is the fundamental quantity ?

(a) Volume
(b) Time
(c) Velocity
(d) Force

4. If the diameter of a capillary is doubled then the rise of water in it will be

(a) two times
(b) half
(c) four times
(d) no change

5. Why the needle of iron swims on Water surface when it is kept gently ?

(a) It will remain under the water when it will displace more water than its weight
(b) the density of needle is less than that of water
(c) due to surface tension
(d) due to its shape

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Study Kit for RRB Junior Engineer EXAM (Phase-1) 

1(a), 2(b), 3(b), 4(b), 5(c)