_____ is the ability of a material to return to its original form after a load is removed.?
?
A. Strength?
B. Elasticity?
C. Corrosion?
D. Elastic limit?
Answer: B
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The proper term for Channel Locks is ________.
A) Vise Grips B) Multigroove adjustable pliers C) Crescent wrench D) Locking pliers
Answer the following statement(s) true (T) or false (F)
1. The products of combustion leaving high-efficiency devices contain enough heat to warm the vent system quickly. 2. The gas companies add an odorant called mercaptan as a safety feature and warning property. 3. The proper sizing of vented gas appliances is accomplished by using the National Fuel Gas Code, plumbing codes, and mechanical codes. 4. For fuel gas piping installations, many licensing jurisdictions have moved toward stablishing mechanical licenses separate from plumbing licenses. 5. The odor provided by mercaptan never dissipates.
Technician A says the vent port is open when the brakes are NOT applied. Technician B says the replenishing port is open when the brakes are NOT applied. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
When a box contains fittings such as luminaire studs, clamps, or hickeys, the number of conductors permitted in the box is one less for ____ device.
What will be an ideal response?