One important difference between fiberglass board insulation and duct wrap is that board insulation is _____.
a. sold in rolls
b. rigid or semi-rigid
c. used in cryogenic applications
d. used in refractory applications
b. rigid or semi-rigid
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Determining the span of engineered lumber is similar to sizing sawn lumber, although span tables will vary slightly for each manufacturer.
Answer the following statement true (T) or false (F)
Technician A says baking soda is now being used in blast cleaning. Technician B says some ring manufacturers blame glass bead cleaning for ring failure. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
Liability is not yet a major concern for sports field managers
Indicate whether the statement is true or false
Solve the equation for the current (I) required by a motor when the horsepower, percent efficiency of the motor, and the voltage are known.
A. 
B. 
C. 
D. 