RRB NTPC | RRB JE | Railway Recruitment Board Exam | Memory Based Question | Part-1

Here we are shearing some questions asked several times in RRB NTPC | RRB JE | Railway Recruitment Board Exam. these are some memory based question. You need to know the answer of these questions. this is the part one of this series. 

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1. The force by which a body is attracted towards the center of the earth is called-

1) Gravitational force
2) Mass

3) Momentum                              

4) Impulsive force

2. The maximum displacement of a vibrating body from its mean position is called-

1) Gyration          

2) Wavelength

3) Amplitude       

4) Impulse

3. The kinetic energy of a body depends upon-

1) Mass, gravity and height

2) Its mass alone

3) Its velocity alone

4) Both mass and velocity

4. A ball weighing 25 grams is thrown vertically into the air. It takes 15 seconds to reach its highest point. How much time would it take to reach the ground from its highest point?

1) More data are required for calculation

2) Less than 15 seconds

3) More than 15 seconds

4) 15 seconds

5. The term 'Squirrel Cage' is associated with

1) Pressure gauges

2) Internal combustion engines

3) Potentiometers

4) Electric motors

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6. The phenomenon of increase in the temperature of the earth's atmosphere due to absorption of the infra-red radiations reflected from the earth's surface is called-

1) Tsunami                   

2) Solar heating

3) Green-house effect

4) Seismic effect

7. Why is it recommended that people should not use charcoal or gas stoves in closed rooms?

1) The electrical wiring in the room may catch fire

2) The stoves will get extinguished

3) It can cause carbon monoxide poisoning

4) The stoves may burst

8. the most effective way to improve safety in a vast organization like the Indian Railways is to

1) Ignore small acts of negligence by the staff

2) Carry out frequent checks

3) Educate the staff at all levels

4) Punish defaulting staff

9. The density of water is Maximum at

1) 100°C              

2) 0°C

3) -273°C            

4) 4°C

10. Which one of the following quantities does not have a unit?

1) Velocity                     

2) Density

3) Specific Gravity        

4) Mass

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