TEST YOUR KNOWLEDGE - 6 (Railway)

Hello Readers,
As you know Railway exam has started and you must be busy in your preparation. Here we are posting a mini test, which contains some selected questions for your practice. Keep practicing, keep raising.

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1. The thermal equator is found --
A.At the equator
B.South of the geographical equator
C.North of the geographical equator
D.At the tropic of cancer

2. A device used to measure humidity is called a --
A.Psychrometer
B.Hygrometer
C.Both
D.None of these

3. Because of which one of the following factors, clouds do not precipitate in deserts?
A.Low pressure
B.Low humidity
C.High wind velocity
D.High temperature

4. The clouds float in the atmosphere because of their low:
A.pressure
B.temperature
C.density
D.None of these

5. Which is the highest peak in Andaman and Nicobar Islands?
A.Saddle Peak
B.Mount Thuiller
C.Mount Diavolo
D.Mount Koyale

6. At upper atmosphere, an astronaut feels:
A.extremely hot
B.slightly hotter
C.extremely cool
D.slightly cooler

7. The waves used in sonography are --
A.Micro waves
B.Infra-red waves
C.Sound waves
D.Ultrasonic waves

8. The wire having a black plastic covering is a --
A.line wire
B.neutral wire
C.earth wire
D.None of these

9. A transformer works with:
A.alternating current
B.direct currect
C.Both AC and DC
D.Any signal

10. which one of the following elements is essential for construction is nuclear reactors?
A.Cobalt
B.Nickel
C.Zirconium
D.Tungsten

11. Which hydrocarbon is mainly present in gobar gas:
A.Butane
B.Propane
C.Methane
D.Ethane

12. Study of blood is called --
A.Hepatology
B.Hematalogy
C.Histology
D.None of these

13. Which of the following blood group is a universal recipient--
A.A
B.B
C.AB
D.O

14. Which is the most stable ecosystem --
A.Desert
B.Ocean
C.Mountain
D.Forest

15. Chief source of water and soil pollution is --
A.Mining
B.Thermal power plant
C.Agro industry
D.All the above

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