Before using a pneumatically powered nailer for the first time, it is important to _____
A) disassemble the nailer for inspection
B) load the nails into the nailer
C) ensure that a GFCI is in the power supply
D) read the manufacturer?s instructions
Answer: D
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Scaling an unknown dimension from a plan is routinely done with a folding rule.
Answer the following statement true (T) or false (F)
An investment of $60,000 ten years ago resulted in uniform income of $10,000 per year for the 10-year period. The rate of return on the investment was closest to: (choose one)
(a) 10.6% per year (b) 14.2% per year (c) 16.4% per year (d) 18.6% per year
Relative humidity is measured using:
A) A particle counter to count the grains of moisture in an air sample. B) Wet-bulb and dry-bulb temperature readings. C) Temperature and barometric pressure readings. D) Comparative volume measurements.
?Why is an inert shielding gas required for GTA welding?
A. ?To keep the air away from the hot tungsten and molten weld metal. B. ?To help remove the welding fumes to make it easier to see the weld pool. C. ?It helps to reduce the UV light that can cause skin burns. D. ?All of the above