RRB Kolkata : Assistant Loco Pilot Previous Paper (Based on Memory)

RRB Kolkata Assistant Loco Pilot Previous Paper (Based on Memory)

1.       Manometer is used to measure-

1) Pressure           2) Gravity            3) Humidity          4) Volume

2.       Calorie is the unit of-

1) Temperature     2) Heat                 3) Power               4) Energy

3.       A stratight rod partially immersed in water seems bent. Its reason is-

1) Refraction

2) Reflection

3) Different temperature of water levels

4) High pressure of water at the bottom

4.       Which law states that a liquid inside a closed system exerts equal pressure in all directions?

1) Boyle’s law                                   2) Pascal’s law

3) Graham’s law                               4) Gay - Lussac’s law

5.       An electro-magnet is made of-

1) Soft iron           2) Copper             3) Hard Steel        4) Zinc

6.        Only two elements are in liquid state at room temperature. They are

1) Bromine, Iodine                            2) Hafnium, Mercury

3) Bromine, Mercury                         4) None of these

7.       A stone was dropped freely in a river flowing down a bridge. The stone takes 2 seconds in touching the water surface. The height of the bridge is-

1) 9.8 m                2) 19.6 m              3) 39.2 m              4) Data inadequate

8.       1 micron is equal to-

1) 0.1 mm   2) 0.01 mm 3) 0.001 mm         4) 0.0001 mm

9.       The most abundant gas found in earth’s atmosphere is-

1) Oxygen                                         2) Carbon dioxide

3) Hydrogen                                      4) None of these

10.     The Chemical formula of Caustic Soda is-

1) Na(OH)2             2) Na2CO3               3) NaOH               4) NaCl

11.     Air cooler will be most effective in-

1) Kolkata            2) Guwahati         3) Puri                  4) New Delhi

12.     A certain distance was covered at a certain speed. If half of the distance is covered in twice time, the ratio between new speed and original speed is-

1) 1 : 2                  2) 1 : 4                  3) 2 : 1                  4) 4 : 1

13.     The number of electrons in Na+ is-

1) 11                     2) 10                     3) 12                     4) 13

14.     The most electro negative element in the following is-

1) F                       2) Cl                     3) Br                     4) I

15.     Rh factor is related to-

1) Blood Transfusion                        2) Atmospheric Pressure

3) Blood Pressure                              4) Space

16.     A force of 50N acts on a body and moves the body on a straight path to a distance of 4 metres. Find the work done if the force acts at an angle of 60 with horizontal.

1) 100J                 2) 300J                 3) 10J                   4) 200J

17.     The length of pendulum is reduced to one fourth. Its time period will be-

1) Twice                2) Eight times       3) Half                  4) None of these

18.     An element which changes the rate of a chemical reaction but does not undergo any change in itself, is called-

1) Electrolyte        2) Catalyst           3) Lubricant         4) Litmus

19.     At constant temperature the volume of a given mass of a gas is inversely proportional to the pressure. It is known as-

1) Charles’ Law                                 2) Boyle’s Law

3) Avogadro’s Law                            4) Dalton’s Law

20.     The resistance of an electric circuit/ implement is measured by-

1) Meggar             2) Ammeter          3) Ohm-meter       4) None of these

 

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