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More Questions on This Topic :

Question 1. Number of electrons in the outermost shell of a semi-conductor material is
  1.    2
  2.    4
  3.    6
  4.    8
Answer: Option D

Question 2. __________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.
  1.    Stellite
  2.    High speed steel
  3.    Cermet
  4.    Alnico
Answer: Option A

Question 3. Encyclopaedia of Chemical Technology has been
  1.    Authored by Kirk Othmer
  2.    Edited by Perry and Chilton
  3.    Edited by Kirk Othmer
  4.    Authored by Perry and Chilton
Answer: Option C

Question 4. Heat required to raise the temperature of a body by 1 °C is called its
  1.    Heat capacity
  2.    Specific heat capacity
  3.    Thermal conductivity
  4.    Water equivalent
Answer: Option A

Question 5. Maximum change in the hardness of mar tensite occurs in the carbon content range of __________ percent in steel.
  1.    0.01 to 0.10
  2.    0.2 to 0.4
  3.    0.5 to 0.7
  4.    0.8 to 1.0
Answer: Option B

Question 6. The underground well of a biogas plant is called the
  1.    Septic tank
  2.    Oxidation well
  3.    Digestor
  4.    Lagoon
Answer: Option C