If the needle on the pressure gauge fluctuates erratically during a hydrostatic test, this indicates that _____
a. the pressure is too high
b. the pressure is too low
c. there is a leak
d. there is air trapped in the system
d
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With dynamic braking for a wound rotor motor, the circuit may provide three braking options, coast stop, medium stop, and ____ stop.
a. step b. rapid c. successive d. steep
The ____ keeps the driver in the correct upright position during a collision, so the air bag is more efficient.
A. side air bag B. seat belt C. inflatable knee blocker D. memory seat
An engineer with Calahan Technologies calculated the AW of cost values shown for a presently owned machine, using estimates she obtained from the vendor and company records.
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Which of the following is not a reason that polyethylene films has become the most popular greenhouse covering?
A. It has a long life expectancy. B. It is less expensive than most other coverings. C. When used as a double layer it has low heat loss. D. It comes in multiple thicknesses.