General Knowledge Questions And Answers :: General Science: part24



General Knowledge : General Science QUESTIONS AND ANSWERS :: part24 : 36 to 40

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

36.When water is heated from 0 degree C to 10 degree C the volume of water :

increases steadily
decrease steadily
first increases then decreases
first decreases then increases

37.Which of the following gives correct descending order of elasticity in the substances ?

Rubber, silver, glass
Silver, rubber, steel
Steel, silver, rubber
All have equal elasticity

38.Electric current passing through a metallic wire generates heat because of :

collisions of conduction electrons with each other
collisions of the atoms of the metal with each other
the energy released in the ionisation of the atoms of the metal
collisions of the conduction electrons with the atoms of the metallic wire

39.Which of the following natural directions of energy transformation are correct ?1. Heat energy to mechanical energy 2. Mehanical energy to heat energy3. Heat energy to electrical energy4. Electrical energy to heat energy

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

40.When iron rusts, its wight :

decreases
increases
shows no change
decreases and then increases

More General Science QUESTIONS AND ANSWERS available in next pages

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