Mechanical Engineering Mcqs

Spontaneous combustion is a phenomenon in which____________________?
  • (A)  all the fuel burns instantaneously producing high energy release
  • (B)  fuel burns with less air
  • (C)  coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal
  • (D)  explosion in furnace
  • (E)  none of the above
Pour point of fuel oil is the____________________?
  • (A)  lowest temperature at which oil will flow under set condition
  • (B)  storage temperature
  • (C)  temperature at which fuel is pumped through burners
  • (D)  temperature at which oil is transported
  • (E)  none of the above