General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part24 : 91 to 95

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

91.If a bimetallic strip is heated, it will :

not bend at all

bend towards the metal with lower thermal expansion coeficient

bend towards the metal with higher thermal expanstion coefficient

twist itself into a helix

92.Why isa cylist required to bend inwards while moving in a circular path ?

To keep the vehicle on the road

To make the centre of gravity fall within the base

To produce the necessary centripetal force required to keep him moving in a curved path

None of these

93.The stars twinkle in the night because :

they emit light intermittently

the stars atmosphere absorbs light intermittently

the earths atmosphere absorbs light intermittently

the refractive index of the air in atmosphere fluctuates

94.Materials used for making cooking untensils should have :

low specific heat and high thermal conductivity

high specific heat and high thermal conductivity

low specific heat and low thermal conductivity

high specific heat and low thermal conductivity

95.If the temperature of a semiconductor rises, its resistivity will :

increase

decrease

remain constant

reduce to zero

More General Science QUESTIONS AND ANSWERS available in next pages

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

Too many of us are not living our dreams because we are living our fears.- Les Brown

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