RRB Ajmer TC Model Paper

Hello, I want to apply for the post of TC in the RRB Ajmer and I want the model paper of the post. Please provide me.

[Shaleen]

Hello, here I am providing you the paper of the TC post of the RRB Ajmer as under:

1. Aball tied with a string to a rotating shaft revolves at uniform speed. As the shaft
is suddenly brought to rest the string starts getting round the shaft with the angular velocity of the ball.
a) increasing
b) decreasing
c) remaining constant
d) becoming zero

2. If an apple is released from an orbiting spaceship, it will
a) fall towards the earth
b) move along with spaceship at the same speed
c) move at a higher speed
d) move at a lower speed

3. What happens when water is cooled from 8° C to 0° C?
a) Its volume decreases uniformly, becoming minimum at 0° C
b) Its density increases uniformly, attaining maximum value at 0° C
c) Its volume decreases upto 4° C and then increases
d) Its density decreases upto 4° C and then increases

4. During summer, we feel comfortable under a fan because it -
a) throws cool air on us
b) sets the air in motion, thereby increasing the evaporation of sweat
c) produces convection currents
d) produces air which carries heat away from the body

5. Light waves are different from sound waves in that
a) light waves are electromagnetic but sound waves are not
b) light waves can travel through water but sound waves cannot
c) light travels with the same speed in all media
d) light waves produce interference but sound waves do not

6. Planets are
a) luminous bodies which twinkle
b) non - luminous bodies which twinkle
c) luminous bodies which don't twinkle
d) non - luminous bodies which don't twinkle

7. If you move towards a mirror at the speed of 10 cm/s, then your image will
approach you at the speed ofa) 5 cm/s b) 10 cm/s
c) 20 cm/s d) Data inadequate

8. In outer space a spaceman
a) cannot see stars during day time
b) cannot see stars at all
c) can see stars during day - time opposite sun
d) can see stars during day time in all directions

9. The soap bubbles look coloured when viewed in white light due to
a) scattering of light by thin layer
b) interference of light by thin layer
c) trasmission of light
d) characteristics of the colours of soap - solution

10. Which of the following devices changes the electrical energy into mechanical
energy?
a) Dynamo
b) Electric motor
c) Inductor
d) Rectifier

11. The function of a moderator in a nuclear reactor is to
a) moderate the number of secondary neutrons
b) moderate the velocity of secondary neutrons
c) increase the number of fissionable nuclei
d) control the fission reaction

12. Which planets do not have satellites revolving around them?
a) Mars and Venus
b) Mercury and Venus
c) Mars and Mercury
d) Neptune and Pluto

13. The absolute zero of temperature is
a) the starting point of any scale of temperature
b) the lowest temperature that is theoretically possible
c) the temperature at which the vapours of all liquid substances freeze
d) the temperature at which all substances exists in the vapour phase