RRB Junior Engineer (JE) Sample Paper: General Science-3

1. The mass of a star is two times the mass of the Sun. How it will come to an end ?

(a) Neutron Star
(b) Black hole
(c) White Dwarf
(d) Red Giant

2. Rain drops fall from great height. Which among the following statements is true regarding it?

(a) they fall with that ultimate velocity which are different for different droplets
(b) they fall with same ultimate velocity
(c) their velocity increases and they fall With different velocity on the earth
(d) their velocity increases and they fall with same velocity of the earth

3. On which of the following techniques photo state machine works ?

(a) Magnetic Imager Making
(b) Thermal Image Making
(c) Electrostatic Image Making
(d) Electromagnetic Image Making

4. One Kilowatt hour is equal

(a) 6 Mega Joule
(b) 8 Mega Joule
(c) 2 Mega Joule
(d) 0 Mega Joule

5. What is the minimum escape velocity of rocket to be launched into space?

(a) 5 Km Sec.
(b) 6 Km Sec.
(c) 11 Km. Sec.
(d) 15 Km. Sec.

(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(c), 4(a), 5(c)