General Knowledge - 20

1. The ELECTRIC BATTERY, who's charged with inventing this one?

a) Volta
b) Galvani
c) Hertz
d) Amper
e) None of the above

  Answer: a

2. When was Monopoly created?

a) 1950s
b) 1930s
c) 1920s
d) 1940s
e) None of the above

  Answer: b

3. Gandhiji started Satyagraha protest against the:

a) Jallianwala Bagh Messacre
b) Rowlatt Act
c) Salt Law
d) Both a and c
e) None of the above

  Answer: b

4. The single acid which dissolves gold is -

a) Nitric acid
b) Hydrochloric acid
c) Selenic acid
d) Aqua regia
e) None of these

  Answer: d

5. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

a) Water skis
b) Hang glider
c) Motorboat
d) Golf tee
e) None of these

  Answer: a

6. In which decade were the first successful diode and triode vacuum tubes invented?

a) 1880s
b) 1900s
c) 1890s
d) 1800s
e) None of these

  Answer: b

7. What Enrico Fermi invented?

a) Cyclotron
b) Nuclear reactor
c) Betatron
d) X ray machine
e) None of the above

  Answer: b

8. When an iron nail gets rusted, iron oxide is formed

a) With increase in the weight of the nail
b) Without any change in colour or weight of the nail
c) With decrease in the weight of the nail
d) Without any change in the weight of the nail
e) None of the above

  Answer: a

9. What Thomas Davenport invented?

a) Electric streetcar
b) Screw propellor
c) Sleeping (railway) car
d) Chesterfield
e) None of the above 

  Answer: a

10. LPG consists of mainly

a) Ethane, hexane and nonane
b) Methane, butane and propane
c) Methane, hexane and nonane
d) Methane, ethane and hexane
e) None of the above 

  Answer: b