Mechanical Engineering Mcqs

Sublimation region is the region where__________________?
  • (A)  solid and vapour phases are in equi-librium
  • (B)  solid and liquid phases are in equilibrium
  • (C)  liquid and vapour phases are in equilibrium
  • (D)  solid, liquid and vapour phases are in equilibrium
  • (E)  none of the above
The equivalent evaporation of a boiler is a measure to compare _________________?
  • (A)  the given boiler with the model
  • (B)  the two different boilers of the same make
  • (C)  two different makes of boilers operat¬ing under the same operating conditions
  • (D)  two boilers of same make but operaing under different conditions
  • (E)  any type of boilers operating under any conditions