Combustion MCQ

Test your knowledge with important Combustion MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Combustion MCQs at Bissoy

• A pre-combustion chamber gives a shorter delay compared to an open type of combustion chamber.
  ক

  True

  খ

  False
• The ____________ rate is due to the physical movement of the flame front relative to the cylinder wall and also the result of the pressure differential between the burning gases and the unburnt gases in the combustion chamber.
  ক

  transposition

  খ

  reaction

  গ

  burning

  ঘ

  none of the mentioned
• The ____________ rate is the result of a purely chemical combination process in which the flame eats it way into the unburned charge.
  ক

  transposition

  খ

  reaction

  গ

  burning

  ঘ

  none of the mentioned
• The complete combustion of ____________ mixture, and droplet combustion result in the smoke and odour.
  ক

  heterogeneous

  খ

  homogeneous

  গ

  solid

  ঘ

  none of the mentioned
• In a homogeneous gas mixture the fuel and oxygen molecules are more or less, uniformly distributed.
  ক

  True

  খ

  False
• Homogeneous mixture is formed inside the engine cylinder and the combustion is initiated inside the cylinder at a particular instant towards the end of the compression stroke.
  ক

  True

  খ

  False
• In spark ignition engines a nearly ____________ mixture of air and fuel is formed in the carburettor.
  ক

  heterogeneous

  খ

  homogeneous

  গ

  solid

  ঘ

  none of the mentioned
• The process of combustion in engines generally takes place either in a homogeneous or a heterogeneous fuel vapour air mixture depending on the type of engine.
  ক

  True

  খ

  False
• The conditions necessary for combustion are the presence of combustible mixture and some means of initiating the process.
  ক

  True

  খ

  False
• ____________ is a chemical reaction in which certain elements of the fuel like hydrogen and carbon combine with oxygen liberating heat energy and causing an increase in temperature of the gases.
  ক

  Compression

  খ

  Expansion

  গ

  Combustion

  ঘ

  None of the mentioned