A requirement for an area in which a non-vented high-intensity infrared heater is to be installed is _____
a. the area must be well ventilated
b. all ceilings must be at least 20' high
c. no combustible material can be within 15' of the heater
d. no vehicles can be parked under the heater
a
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The torque specification for a valve cover gasket is 5 foot-pounds. Which of the following is the best procedure?
A. ?Use a 1?2" drive foot-pound torque wrench and torque to 5 foot-pounds. B. ?Use a 3?8" drive foot-pound torque wrench and torque to 5 foot-pounds. C. ?Use an inch-pound torque wrench and torque to 5 foot-pounds. D. Use an inch-pound torque wrench and torque to 60 inch-pounds.
One of the most common envelope sizes used in business correspondence is _____ inches
A) 41/8 x 81/2 B) 31/8 x 111/2 C) 81/2 x 11 D) 41/8 x 91/2
If a mercury thermostat seems out of adjustment, the first thing to do is _____.
a. recalibrate the thermostat b. reset the system switch to Off c. check for accurate leveling d. adjust the setting lever
What happens to metals that are exposed to the temperatures found in an arc flash?____________________________________
What will be an ideal response?