When performing overhead work on scaffolding, what protective measures must be taken to prevent objects
from falling and striking a person below?
A) Fall arrest systems are used.
B) Alarm systems should be enabled.
C) Toeboards, debris nets, or canopies must be applied.
D) Warning tags are posted on the scaffold.
Answer: C
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Which of the following equations is correct to calculate latent heat flow by air?
A) Q = 500 * GPM * ?T B) Q = 4.5 * CFM * ?H C) Q = 1.1 * CFM * ?T D) Q = 4840 * CFM * ?W
The respiratory rate of a normal horse at rest is approximately how many beats per minute?
A. 4-6 B. 6-8 C. 8-16 D. 16-30 E. None of the above
Dimensions for windows and doors are usually given in a schedule.
Answer the following statement true (T) or false (F)
Skills USA sponsors:
A) National competitions in journey-level skill areas, including bidding and estimating HVACR systems. B) International competitions in fundamental skill areas for students attending trade and technical schools. C) Financially challenged students with educational grants to attend post-secondary trade schools. D) HVACR industry trade publications.