Which of the following measures is the minimum steam pressure for a high-pressure boiler?
A) 15 psi B) 160 psi C) 50 psi D) 150 psi
A
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A rule-of-thumb formula is used in proportioning the tread width (T) and riser height (R) of a stair. Write the formula and the rationale behind it.
What will be an ideal response?
The principle advantage of IC amplifiers over discreet component amplifiers is
A) do not have to provide heat sinking B) high reliability and low cost C) much higher gain D) all of the above
Bedouin tribes cherished the _____ breed of horse.
Fill in the blank(s) with the appropriate word(s).
Two factors determine the polarity of the voltage produced by the Hall generator: the direction of current flow and the ____ of the ____ field.
A. polarity; magnetic B. polarity; gravitational C. strength; magnetic D. strength; gravitational