RRB Junior Engineer (JE) Sample Paper: General Science-16

1. Cryogenics is a science dealing with

(a) high temperatures
(b) low temperatures
(c) friction and wear
(d) growth of crystals

2. The mass energy relation is the outcome of

(a) quantum theory
(b) general theory of relativity
(c) field theory of energy
(d) special theory of relativity

3. Which of the following are used for accurately measuring very small time intervals ?

(a) Pulsars
(b) Quartz clocks
(c) Atomic clocks
(d) White dwarfs

4. Danger signals are generally red as red light

(a) is least bright
(b) undergoes least deviation
(c) has lowest velocity
(d) gives comfort to eye

5. A simple microscope consists of

(a) a short focus convex lens
(b) a long focus convex lens
(c) a short focus concave lens
(d) a long focus concave lens

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

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