Terms & Conditions
Contact

Home
GK
Computer
TRB
TNPSC
Aptitude
English
Reasoning
Technical
Bank Exams
SSC
Engineering
Puzzles
Interview
- GD Topics
Blogs
Online Test

Free trb questions Online Test - MeritNotes

Home
Online Exam

No. of Questions :10

Remaining Time :

1. ______ is used as a coolant in nuclear reactors?

(a)
Cadmium
(b)
Liquid sodium
(c)
Heavy water
(d)
Graphite

2. Post office box is a device for measuring resistant based on the principle of

(a)
galvanometer
(b)
potentiometer
(c)
ohm meter
(d)
meter bridge

3. Who invented the ball point pen?

(a)
Oscar
(b)
Wilson
(c)
Waterman
(d)
Lazlo Biro

4. The velocity of souna at 20°C is

(a)
120 ms^-1
(b)
330 ms^-1
(c)
340 ms^-1
(d)
344 ms^-1

5. Astronauts in space can’t stand at one place, because

(a)
there is no gravity
(b)
viscous forces of the atmosphere are very strong
(c)
solar wind exert an upward force
(d)
atmospheric pressure is very low

6. Wavelength range of visible light is

(a)
200-900 nm
(b)
300-800 nm
(c)
390-780 nm
(d)
600-780 nm

7. The critical angle of diamond is

(a)
24.8°C
(b)
24.4°C
(c)
34.4°C
(d)
42.4°C

8. The lift of an air plane is based on

(a)
Conservation of linear momentum
(b)
Law of gravitation
(c)
Bernoulli’s theorem
(d)
Torricelli’s theorem

9. The total force exerted by a liquid perpendicular to the entire area is called

(a)
Exerting force
(b)
Weight
(c)
Pressure
(d)
Thrust

10. A dynamo which is said to generate electricity actually acts as a

(a)
Source of electrons
(b)
Source of electric charge
(c)
Source of ions
(d)
Converter of energy

Home

Terms & Conditions

Contact

2024 © MeritNotes