Pranjali Prabha- General Science QUIZ

Om Sri Ram  Om sri Ram   Om sri Ram 

Pranjali Prabha 

Sarvejana sukhinobhavanthu 

  objective  Questions 

1. What is stainless steel?

2. Which scientist was awarded Nobel Prize in 1971 for Holography?

3. What is an automatic vending machine?

4. What does a colour film contain?

5. Why was Satellite Communication introduced in 1962?

6. Who do you call the sugar cane waste?

7. What is the short form of Megaohm meter?

8. What do you mean by tinning?

9. Which French engineer completed Suez Canal Plan?

10. What are the constituents of cement concrete?

11. What is R.C.C.?

12. Which metal is used for abrasives in grinding machines?

13. Which scientist invented Cathode-ray tube?

14. Which device is used for viewing birds?

15. How is plaster of paris obtained?

16. What do you say a toothed wheel?

17. Who invented vacuum cleaner?

18. Which is the first aand only underground power house in Karnataka?

19. Name two hand tools?

20. What is the Source of Asphalt?

21. Which is the first man made fuel?

22. What is the basic function of \a Thermo-Couple? 

23. What is video text?

24. How many types of radars are n use today?

25. Which divice converts electrical signals into sound signals in a radio receiver?

26. Which frequencies are used in TV transmission?

27. What is a Com Corder?

28. What is cable TV            

29. Which laboratory demonstrated the first colour TV?

30. Who discovered stimulated emission in 1917




 Answers.
1. What is stainless steel?
A. 18 percent chromium and rest is iron 

2. Which scientist was awarded Nobel Prize in 1971 for Holography?
A. Dennis Gabor

3. What is an automatic vending machine?
A. a device which dispenses an article automatically when a coin is inserted in it. 

4. What does a colour film contain?
A. Colour film has three layers of chemicals tyhat take yellow, red and blue pictures of a scene.

5. Why was Satellite Communication introduced in 1962?
A. To facilitate long distance telephone calls.

6. Who do you call the sugar cane waste?
A. Bagasse.

7. What is the short form of Megaohm meter?
A. Negger 

8. What do you mean by tinning?
A. Tin Coat

9. Which French engineer completed Suez Canal Plan?
A. Ferdinand De Leseps. 

10. What are the constituents of cement concrete?
A. Cement,Sand and jelly (Stone peblles)

11. What is R.C.C.?
A. Reinforced cement concrete.
 
12. Which metal is used for abrasives in grinding machines?
A. Send stone Quartz, Carborandam, sill concarbide.

13. Which scientist invented Cathode-ray tube?
A. Cari Ferdinand Brown of Austria. 

14. Which device is used for viewing birds?
A. Binocular. 

15. How is plaster of paris obtained?
A. Calcium Sulphate Powder plus Gypsum Heat this mixture to 130 degree c. 

16. What do you say a toothed wheel?
A. Gear.

17. Who invented vacuum cleaner?
A. Johns Therman. 

18. Which is the first and only underground power house in Karnataka?
A. Varahi Underground power Houe, Hosangadi, South canara district.
19. Name two hand tools?
A. Spanner, Screw driver. 


20. What is the Source of Asphalt?
A.Petroleum 

21. Which is the first man made fuel?

A. Charcoal 


22. What is the basic function of \a Thermo-Couple? 

A. Converts thermal energy into electric energy. 

23. . What is video text?
A. Computerised information service which reaches by phone or ./T.V.

24. How many types of radars are n use today?
A. Two types Continuous wave radar and puled radar. 

25. Which divice converts electrical signals into sound signals in a radio receiver?
A. Loud Speaker. 

26. Which frequencies are used in TV transmission?
A. Very high frequenxcy and ultra high frequency. 

27. What is a Com Corder?
A. it is a kind of T.V. Camera. 

28. What is cable TV            
A. in cable TV signals are carried out on a single coaxial calbles to T.V.Sets. 

29. Which laboratory demonstrated the first colour TV?
A. Bell Laboratory USA in 1929.

30. Who discovered stimulated emission in 1917
A. Albert Einstein.