Combustion air for gas appliances should be
A) Recycled by piping the vent gasses back into the combustion air intake
B) 10 cubic feet of combustion air per 1000 BTU of firing rate
C) 14 to 15 cubic feet of combustion air per 1000 BTU of firing rate
D) 1 cubic foot of combustion air for every cubic foot of gas
C
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?What is used to remove the material from a hole being drilled with a laser?
A. ?A jet of clean dry compressed air blasts the molten metal out of the hole. B. ?Laser drilling is always done overhead so the molten metal will run out of the hole. C. ?The intense heat vaporizes the spot with enough force to thrust the material out. D. ?The laser is hot enough so that it passes through the molten metal until the hole is completed and then the molten metal drips out.
For which class of drugs is there the most significant penalty recommendation?
a. Class 1 c. Class 5 b. Class 4 d. Class 10
The amount of pressure you should apply to a bushing in an arbor press would be:
A) Just the amount needed to push it through the bore and when slight additional pressure is felt, stop pressing B) About 5 tons C) Just the amount needed to push it through the bore and then considerable more force applied to make sure it is seated D) Between 10 and 30 tons
In Figure E-80-1 are graphs of some continuous-time energy signals. In Figure E-80-2 are graphs of some magnitude CTFT’s in random order. Find the CTFT magnitude that matches each energy signal.
