Explain the function of pipe threading die heads.
What will be an ideal response?
Pipe threading die heads hold a set of four cutting blades that cut the threads into the end of steel pipe.
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Early engines were called flat head designs because they ________
A) Used spark plugs at the top of the cylinders B) Were only inline engines C) Did not include valves D) Used valves located in the cylinder block
The three types of air cooled condenser coil construction found on residential air conditioning units today include:
A) Flat plate, bare tube, and tube and fin. B) Tube and fin, spiney fin, and microchannel. C) Wired, wireless, and adaptive. D) Iron, aluminum, and steel.
The internal resistance of any meter is only effective if the meter is set on the ________ scales
A) Ohmmeter B) Ammeter C) Voltmeter D) None of these
When the sampled voltage equals the digital sample equivalent, the ________ output is enabled by an op-amp comparator
Fill in the blank(s) with correct word