When a cylinder is cut by an inclined plane, the inclined shape is elliptical
Indicate whether the statement is true or false
True
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In spot-welding, ____ are used when the drawing dimensions are in metric.
A. newtons B. pounds C. slugs D. grams
Which type of burner uses a motor-driven blower to deliver primary and secondary air to the combustion zone?
a. absorption b. injection c. luminous d. power
What is the difference between a a 90 percent furnace with a sealed combustion system and a typical 90 percent furnace?
A) Sealed combustion units use household vented air for combustion. B) Sealed combustion units require combustion air to be piped in from the outside. C) Sealed combustion units do not produce any combustion products. D) Sealed combustion units may use PVC pipe for venting material.
A transistor is controlled by the polarity and current at the ________
A) Collector B) Emitter C) Base D) Both A and B