Explain the function of the steel pipe reamer and how the device operates.
What will be an ideal response?
The pipe reamer is designed to remove burrs from the interior edge of steel pipe. Burrs on the inside of the pipe can reduce fluid flow through the pipe. It is inserted into the end of the pipe and rotated to create a smooth edge inside the pipe.
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It has been suggested that synchronous motors are more expensive to install than squirrel cage motors if the rating exceeds 1 hp.
Answer the following statement true (T) or false (F)
Which of the following pieces of equipment is used to convert a vapor to a liquid?
a. Preheater b. Reboiler c. Chiller d. Condenser
Projection lines are fine lines used in drafting to aid the designer who needs to project dimensions from one area of a drawing to another.
Answer the following statement true (T) or false (F)
The tight bond between the refrigerant tube and the fins on tube-and-fin coils is made by:
A) Soldering the fins to the tubing. B) Machining the fins and tubing out of a single piece of solid metal. C) Expanding the tubing into the fins. D) Glueing the fins to the tubing.