Lakshya Education MCQs

Question: Carburising flame is used to weld
Options:
A.Steel, cast iron, copper, aluminium etc
B.Brass and bronze
C.Hard surfacing materials such as stellite
D.All of these
Answer: Option C

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More Questions on This Topic :

Question 1. A progressive limit gauge has
  1.    'Go' and 'Not go' member on the same side of the gauge
  2.    Separate 'Go' and 'Not go' members
  3.    'Go' member at one end and 'Not go' member at the other end
  4.    None of the above
Answer: Option A
Question 2. The temperature at which the new grains are formed in the metal is called
  1.    Lower critical temperature
  2.    Upper critical temperature
  3.    Eutectic temperature
  4.    Recrystallisation temperature
Answer: Option D
Question 3. The purpose of a gate is to
  1.    Delivers molten metal into the mould cavity
  2.    Act as a reservoir for the molten metal
  3.    Feed the molten metal to the casting in order to compensate for the shrinkage
  4.    Delivers molten metal from pouring basin to gate
Answer: Option A
Question 4. In a cold chamber die casting machine
  1.    Melting pot is separate from the machine
  2.    Melting pot is an integral part of the machine
  3.    Melting pot may have any location
  4.    Low temperature and pressure is used
Answer: Option A
Question 5. In a hot chamber die casting machine
  1.    Ferrous alloys with low melting temperature are casted
  2.    Ferrous alloys with high melting temperature are casted
  3.    Nonferrous alloys with low melting temperature are casted
  4.    Nonferrous alloys with high melting temperature are casted
Answer: Option C
Question 6. The instrument which has all the features of try-square, bevel protractor, rule and scriber, is
  1.    Outside micrometer
  2.    Inside micrometer
  3.    Depth gauge micrometer
  4.    Combination set
Answer: Option D

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