RRB Junior Engineer (JE) Sample Paper: General Science-34

1. Ammonia is a mixture of

(a) aluminium powder and ammonium nitrate
(b) aluminium powder and ammonium chloride
(c) aluminium powder and ammonium sulphate
(d) aluminium powder and potassium nitrate

2. Which gas does not form the part of atmosphere ?

(a) Nitrogen
(b) Helium
(c) Chlorine
(d) None of the above

3. The fuel used in an atomic reactor is

(a) Coal
(b) Petrol
(c) Combustable gases
(d) Uranium

4. White coal is

(a) Uranium
(b) Hydroelectricity
(c) Diamond
(d) Ice

5. The major constituent of gobar gas is

(a) Carbon dioxide
(b) Methane
(c) Butane
(d) isobutane

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

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