Which of the following is not a function of modern lubricants
A: Reduced friction
B: Heat insulation
C: Sealing
D: Heat dissipation
A: Reduced friction
B: Heat insulation
C: Sealing
D: Heat dissipation
举一反三
- 4-2。which is the best material for heat insulation?( ) A: water B: cotton C: vacuum
- Which one is not a state function? A: Enthalpy B: Internal energy C: Entropy D: Work/Heat
- A SECONDARY function of a waste heat boiler is to ().
- Which of the following is not the way of heat loss? () A: Shivering B: Radiation C: Conduction D: Convection E: Evaporation
- Air preheater is a heat exchange device which uses the heat of flue gas to heat the air needed for combustion. () A: Right B: Wrong