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BOMA-HVAC Practice Exam With Answers (99 Solved Questions)

BOMA-HVAC Practice Exam With Answers helps you break down complex concepts using past exam questions.

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    BOMA-HVAC Study online at https://quizlet.com/_ewon6m 1. The man whose work is considered the real be- ginning of the science of air-conditioning _____. Willis Carrier 2. Psychrometry refers to the relationship between _____ and _____. Humidity; air 3. The amount of moisture in the air compared to how much it can hold is _____. Relative humidity 4. The human bodies well being depends upon the _____. Bodies metabolism 5. The device used to determine the moisture con- tent of air is the _____ psychrometer 6. Of the fuels listed the one that is the most effi- cient is _____. Gas 7. The effective temperature takes into considera- tion the effect of _____ and _____. Humidity; temperature 8. Air conditioning is the control of the _____, _____, _____ and _____. Temperature, humidity, purity and distribution of air. 9. The element that makes up the greatest percent- age by volume of air is _____. Nitrogen 10. Steam gives off a great amount of heat because of its _____. Specific heat 11. The velocity of air moving thru a fan system is expressed in _____. Feet per minute 12. What volume of air will move thru a duct 24x18 at velocity of 450 feet per minute? 1350 cfm 13. The following types of fans are classified as cen- trifugal fans. Forward curved, radial and backward curved 1 / 8

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    14. Select the statement that does not apply to back- ward inclined fans. Has an overloading BHP horse power curve. 15. The quantity of air moving thru a fan system is expressed in _____. Cubic feet per minute 16. The instrument used to measure air pressure in duct is the _____. Monometer 17. Air flow thru a duct has the highest _____. Velocity near the center of the duct. 18. Select the statement which does not apply to the fan laws. Static pressure in a duct increases as the veloci- ty decreases. 19. Variable air volume system feature is _____. Varies the volume of air with space temperature conditions 20. Double duct systems are _____. ? 21. The purpose of a primary control is to _____. Start or stop the system 22. A pressurestat responds to _____. System pressure 23. The oil safety switch is operated by _____. Oil pressure 24. A low limit control _____. ? 25. A high limit control _____. ? 26. Limit controls _____. Are wired into the circuit in series 27. A diulating switch is used to _____. Change proportional ac- tion to two position con- trol. 2 / 8

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