RRB Junior Engineer (JE) Sample Paper: General Science-8

1. The best conductor of heat among the following is

(a) alcohol
(b) mercury
(c) ether
(d) Water

2. What is viewed through an electron microscope?

(a) Electrons and other elementary particles
(b) Structure of bacteria and viruses
(c) Inside of human stomach
(d) Inside of the human eye

3. What apparatus is used to locate a submerged object?

(a) Radar
(b) Sonar
(c) Quasar
(d) Pulsar

4. Which combination of colour is the most convenient during day and night time ?

(a) Orange and blue
(b) White and black
(c) Yellow and blue
(d) Red and green

5. The instrument that measures and records the relative humidity of air is

(a) Hydrometer
(b) Hygrometer
(c) Lactometer
(d) Barometer

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

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

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