If trusses or rafters are installed on 24" centers, use _____.
a. 3/8" sheathing
b. 5/8" sheathing
c. 3/4" sheathing
d. 1" sheathing
Answer: B
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Match the potential cause of pump shutdown with the potential troubleshooting solution:
I. Power failure II. Flow, pressure, or vibration III. Overspeed trip IV. Motor trip-out a. Check turbine overspeed trip for proper operation; check suction for proper flow; check discharge lines for large failure. b. Determine cause (for example, breaker, fuse, or loss of commercial power). Repair and restore power as appropriate. c. Pump is using too much horsepower, flow rate is too high, or mechanical problems exist. Correct problem to return pump to operation. d. Determine cause (for example, leak, valve closed, or instrumentation elsewhere in the process). Correct problem to return pump to operation.
Lizards _____
a. have keen eyesight with excellent color vision b. are able to focus each eye independently c. and chameleons belong to the same family d. are divided geographically between northern and southern hemispheres
Which of the following are fundamental dimensions:
a. area, volume, power, pressure, energy b. temperature, time, mass, length c. force, energy, power, weight d. heat, power, power, weight e. electric resistance, electrical voltage, electric power
A triple-duty valve serves as a shut-off valve, a balancing valve, and a _____
a. differential pressure valve b. drain valve c. zone valve d. check valve