General Knowledge Questions And Answers :: General Science: part23



General Knowledge : General Science QUESTIONS AND ANSWERS :: part23 : 41 to 45

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :

41.According to the law of conservation of energy, 1. energy can be created but not destroyed 2. energy can neither be created nor destroyed 3. energy can be transformed from one form to the other

1 only
2 only
2 and 3
3 only

42.Which of the following is not correctly matched ?

Galena : Lead sulphide
Green vitriol : Copper sulphate
Plaster of Paris : Calcium sulphate
Calomel : Mercurous chloride

43.The quality of a sound depends upon the : 1. size of the vibrating body2. material of the vibrating body3. overtones produced 4. shape of the vibrating body

1, 2 and 3
1, 2, 3 and 4
1 and 3
2, 3 and 4

44.Water is a good fire extinguisher because : 1. the secific heat of water is high 2. steam, formed as the water boils in contact with the burning object, forms an envelop and shuts off oxygen supply

1 only
2 only
both 1 and 2
neither 1 nor 2

45.What happens to the level of mercury in the barometer tube when it is taken down a coal mine ? It

falls
remains unaltered
rises
rises and then falls

More General Science QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Innovation distinguishes between a leader and a follower.-Steve Jobs