General Knowledge Questions And Answers :: General Science: part24



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
The only place where success comes before work is in the dictionary.- Vidal Sassoon