RRB Junior Engineer (JE) Sample Paper: General Science-6

1. Which of the following is used in oven ?

(a) X-rays
(b) UV rays
(c) Microwaves
(d) Radio waves

2. When heated from 0° to 10°C volume of a given mass of water Will

(a) Increase gradually
(b) Decrease gradually
(c) Increase and then will decrease
(d) Decrease and then will increase

3. Energy is continuously created in the sun due to:

(a) nuclear fusion
(b) nuclear fission
(c) radioactivity
(d) artificial radioactivity

5. Coolis tube is used to produce

(a) Radio waves
(b) Microwaves
(c) X-rays
(d) Gama rays

5. Which of the following is used for regulated electric supply ?

(a) Zener diode
(b) Junction diode
(c) Gun diode
(d) Tunnel diode

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

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

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