Define ducts.
What will be an ideal response?
Sheet metal or plastic pipes used to carry air in an HVAC system.
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If a truck scale is not available, weight ____________________ can give a rough estimate of a horse's weight.
Fill in the blank(s) with the appropriate word(s).
A(n) ____ flame has a balance of fuel gas and oxygen. It is the most commonly used flame because it adds nothing to the weld metal.
A. neutral B. carburizing C. acetylene D. oxidizing
The space left between the piston and the valve plate of a reciprocating compressor when the piston is at the top of the cylinder is called:
A) The bore. B) The stroke. C) The clearance volume. D) The mechanical allowance.
The area of a circle is approximately equal to 0.7854 x D2, where D represents the length of the diameter of the circle. What is the area in square units of a circle whose diameter is 1.15 units expresssed to the nearest hundredth.
What will be an ideal response?