Which of the following is a good medium for constant temperature heating?

Related MCQs

• Which fuel is prepared by heating bituminous coal continuously for 15 to 18 hours in closed chamber?
• The wet bulb temperature is the ____ temperature recorded by moistened bulb.
• In the expansion process, which of the following remains constant?
• In a chilled water system, the refrigerant is used to cool the air directly while in the direct expansion system, a secondary medium like water is used to cool the air.
• If the speed of sound is much                   than that of the gas, the gas density will stay constant.
• What is the temperature at which the steam boilers are capable to withstand?
• For a compressible, ideal gas, mass flow rate depends on parameters such as flow area, pressure, temperature, properties of the gas, and                    
• What happens due to high temperature of feeds water in the economizer?
• The vapour going to condenser is in temperature and in ammonia.
• If heat is added to the wet steam temperature _________