RRB Junior Engineer (JE) Sample Paper: General Science-26

1. Who discovered the atom bomb?

(a) Madam Curie
(b) Pierre Curie
(c) Otto Hahn
(d) Albert Einstein

2. Which one of the following organic compounds has fruity smell?

(a) Alcohol
(b) Aldehyde
(c) Ester
(d) Ether

3. What material is used to make electric heater coil ?

(a) Copper
(b) Iron
(c) Silver
(d) Nichrome

4. Byproduct obtained by soap industry is

(a) Caustic soda
(b) Glycerol
(c) Naphthalene
(d) Caustic potash

5. Polythene is polymer of

(a) Ethylene
(b) Propylene
(c) Acetylene
(d) Aniline

(E-Book) RRB J.E. Junior Engineer Exam Previous Year Solved Papers

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

1(a), 2(a), 3(d), 4(a), 5(d)