Question 1
A supply air duct delivers 1,200 CFM with a temperature rise of 20°F across a heating coil. Using the sensible heat formula Qs = 1.08 × CFM × ΔT, what is the sensible heat output?
Correct Answer:
25,920 BTU/hr
Question 2
A 5-ton air-conditioning system is operating at rated capacity. How many BTU per hour of heat does it remove from the conditioned space?
Correct Answer:
60,000 BTU/hr
Question 3
An air handler supplies 2,000 CFM. The moisture removed from the air is 30 grains per pound of dry air. Using Ql = 0.68 × CFM × ΔW, what is the latent cooling capacity?
Correct Answer:
40,800 BTU/hr
Question 4
Air enters a cooling coil at 1,500 CFM with an enthalpy of 31.5 BTU/lb and leaves at 23.0 BTU/lb. Using Qt = 4.5 × CFM × Δh, what is the total cooling load?
Correct Answer:
57,375 BTU/hr
Question 5
An air-conditioning system is oversized for the space it serves. Which operating problem is most likely to result?
Correct Answer:
Short cycles that leave the space clammy and humid
Question 1
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About this Exam

Prepare with the FL Mechanical Practice Questions - Florida Certified Mechanical Contractor Examination Exam practice quiz. This question bank includes 100 questions covering duct, pipe, cooling, refrigerant, and piping. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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FL Mechanical Practice Questions - Florida Certified Mechanical Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on duct, pipe, cooling, refrigerant, and piping. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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