General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part24 : 21 to 25

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

21.Burns caused by steam are much more severe then those caused by boiling water as :

steam is a gas and engulfs the body quickly

temperature of steam is higher

steam pierces through the pores of body quickly

steam has latent heat

22.Machine parts get jammed in winter, because :

the viscosity of the lubricant used in machine parts increases with the decrease in temperature

the viscosity of lubricant used in machine parts decreases with the decrease in temperature

the inertia of machine parts decrease with the decrease in temperature

the inertia of machine parts increases with the decrase in temperature

23.Which falls down faster in a vacuum - a feather, a wooden ball or a steel ball ?

A wooden ball

A feather

A steel ball

All will fall down at the same speed in a vaccum because there will be no air resistance.

24.What is the number of basic units in the International System of Units ?

25.Super conductivity results when matter is :

heated to very high temperature

compressed to very high pressure

subjected to very low pressure

cooled to very low temperature

More General Science QUESTIONS AND ANSWERS available in next pages

Health is the greatest gift, contentment is the greatest wealth -Buddha

If your ship doesnât come in, swim out to meet it!-Jonathan Winters

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