RRB Junior Engineer (JE) Sample Paper: General Science-7

1. Gamma rays can cause

(a) gene mutation
(b) sneezing
(c) burning
(d) fever

2. The substance which conducts current in the solid state is

(a) diamond
(b) graphite
(c) iodine
(d) sodium chloride

3. Which set of conditions represents the easiest way to liquify a gas ?

(a) Low temperature and high pressure
(b) High temperature and low pressure
(c) Low temperature and low pressure
(d) High temperature and high pressure

4. What is colour of light related to?

(a) Amplitude
(b) Frequency
(c) Quality
(d) Velocity

5. What principle law explains the working of the hydraulic brakes in automobiles ?

(a) Bernoulli's law
(b) Posieulles principle
(c) Pascal's law
(d) Archimedes principle

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Study Kit for RRB Junior Engineer EXAM (Phase-1) 

1(a), 2(b), 3(a), 4(a), 5(c)