SSC JE General Awareness MCQs Set-1

SSC JE General Awareness MCQs Set-1

Junior Engineer Objective Questions 

1. The best conductor of heat among liquids is
(a)Water
(b)Mercury
(c)Ether
(d)Alcohol

2. The layer of the atmosphere which reflects radio waves back to the earth is called

(a) Stratosphere
(b) Tropopause
(c) Ionosphere
(d) Troposphere

3. An object weight maximum in
(a) Air
(b) Water
(c) Hydrogen
(d) Vacuum

4. The gravitational force with which the sun attracts the earth
(a) Is less than the force with which the earth attracts the sun
(b) Is the same as the force with which the earth attracts the sun
(c) Is more than the force with which the earth attracts the sun
(d) Varies throughout the year

5. The work done in holding a weight of 25 kg at a height of 1 m above the ground is
(a) Zero
(b) 25 J
(c) 2500 J
(d) None of the above

6. If there were no atmosphere the weight of the day would
(a) Decrease
(b) Remain unaffected
(c) Increase
(d) Be almost half

7. Children, especially in the western country, who receive very little sunshine, suffer from
(a) Rickets
(b) Dermatitis
(c) Scurvy
(d) Sterility

8. The substance that is added to make natural rubber strong and more bouncy is
(a) Polythene
(b) Sponge
(c) Sulpher
(d) Chlorine

9. The human body contains the maximum amount of
(a) Proteins
(b) Water
(c) Fats
(d) Plasma

10. Endoscopy, a technique used to explore the stomach or other inner parts of the body, is based on the phenomenon of
(a) total internal reflection
(b) interference
(c) diffraction
(d) polarization