A person who is helping a driver back a rig should
A. use hand signals to communicate
B. talk the driver through backing
C. clear debris from around the rig
D. stand to the left of the rig
Answer: A
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La cantidad mínima de entrenamiento teórico que se exige por año en un programa de entrenamiento para aprendices es de ______ horas.
a. 2,000 b. 200 c. 144 d. 250
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How do steel beams normally fail?
A. bending B. compression C. tension D. rolling
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Using the CFM per 100 sq ft method, a 1,600 sq ft house leaking 120 CFM has a leakage rate of:
A) 1,600/120 = 13 CFM per 100 sq ft. B) 1,600 - 120 = 1,480 CFM. C) 1,600 + 120 = 1,720 CFM. D) 120/16 = 7.5 CFM per 100 sq ft.
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What is the appropriate depth of litter that should be placed in a house prior to population?
A. 1 inch B. 2 inches C. 6 inches D. 1 foot
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