111. In the earth, the weight of a body is maximum at the
  A.  Surface
  B.  South pole
  C.  Equator
  D.  North Pole
     
   
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112. The energy that can harness heat stored below the earth's surface is known as
  A.  Thermal energy
  B.  Geo-thermal energy
  C.  Tidal energy
  D.  Nuclear energy
     
   
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113. A fuse wire is made of
  A.  an alloy of tin an copper
  B.  an alloy of tin and lead
  C.  an alloy of tin and aluminium
  D.  an alloy of nickel and chromium
     
   
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114. As we go from Equator to North pole the value of 'g' the acceleration due to gravity
  A.  Increases
  B.  Decreases
  C.  remains the same
  D.  None of the above
     
   
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115. The height of a geo-stationary satellite from the earth's surface is approximateley
  A.  40,000 km
  B.  36,000 km
  C.  34,000 km
  D.  None of these
     
   
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116. The best material for the core of a transformer is
  A.  Soft iron
  B.  Mild steel
  C.  Hard steel
  D.  stainless steel
     
   
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117. Permissible noise level at Residential are a during night time is
  A.  80 dB(A)
  B.  55 dB(A)
  C.  75 dB(A)
  D.  45 dB(A)
     
   
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118. Why do brids not have respiratory trouble at eh time of flying at high altitude?
  A.  Their lungs are very large
  B.  The fly inactively
  C.  They have extra air sacs
  D.  the use less oxygen
     
   
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119. Water boils at a lower temperature on the hills because
  A.  It is cold on the hills
  B.  There is a decrease in air pressure on the hills
  C.  There is less carbon dioxide on the hills
  D.  There is less oxygen
     
   
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120. In nuclear reactor, heavy water is used as
  A.  Moderator
  B.  Fuel
  C.  Coolant
  D.  Atomic smasher
     
   
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