CPD Programme Module 18 July 2010 _________________________________________
1) Which of the following does not form part of an Evaporative Cooling System?
A Cassette corrugated material B Variable speed water pump C UV filter D Micro jet spray nozzles E Condenser cooling coil
2) An Adiabatic Saturation process occurs:
A when dry bulb and wet bulb temperatures are equal B without any external heat transfer into or out of the system
C when moisture content before and after the process is the same
D when water vapour is evaporated from a wet surface E as ambient air passes over the condensing coil
3) Which of the following is a factor that affects the performance of an evaporative cooling system?
A Ambient dry bulb temperature
B Chiller condensing temperature C Chilled water temperature D Evaporative cassette contact factor E Energy efficiency ratio
4) What is the Energy Efficiency Ratio (EER) of a turbocompressor (TMA) with evaporative cooling system, at 50% part load?
A 5.4 B 4.6 C 3.8 D 8.6 E 6.3
5) This feature is not one that will improve the overall performance of an air cooled chiller:
A evaporative cooling on ambient air to the condenser B liquid pressure amplification C fixed speed condenser fans D return air/fresh air supply heat exchanger E ambient free cooling
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