The four basic components of a fire are fuel, heat, oxygen and a chain reactionWhich of the following statements best describes what must be eliminated to extinguish a fire?()
The refrigerant flows through the evaporator, where it () heat from the refrigerated space.
Additional heat extraction from the exhaust gases can be effected by adding an () section to the unit in plants.
Which of the following terms represents the form of heat removed from the refrigerant in the condenser of a refrigeration system?()
The heat identified by only a change in temperature is known as ().
Due to the large amount of heat picked up by the air in boiler and engine rooms, it would be () to maintain ambient conditions within the comfort zone by air conditioning.
The sensible heat of air is dependent upon the ().
Too much excess air is ()because the heat generated is being lost through the exhaust trunking instead of being made used of in heating the water to produce steam.
Besides heat, fuel, and oxygen, which of the following is necessary for a fire to exist?()
Heat for igniting the fuel oil in the cylinder of a diesel engine is generated by the ()