____________________ establish an attraction of the north pole of a magnet to its south pole.
Fill in the blank(s) with the appropriate word(s).
Flux lines
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In regards to limits on recovery, what are the four primary factors that must be met or proven for a claimant to receive compensation?
What will be an ideal response?
Grain is the seed from plants classified as _____
A) fiber B) shrubs C) vines D) grasses
Which of the following statements is true?
A. Pump and compressor are two different names for the same thing. B. If a system is at steady state, you must start with the time-independent form of the generalized energy balance. The time dependent form of the equation will not work. C. If the system is a heat exchanger, Q ? will always be negative by our sign convention. D. If the system is a turbine, W ?_s will always be negative by our sign convention. E. None of the above statements are true.
How does soot accumulation on the inside of the heat exchanger affect system efficiency?
A) The soot acts like an insulator on the inside of the heat exchanger, thereby reducing efficiency. B) The soot provides extra fuel during the high-fire stage, thereby increasing efficiency. C) The soot increases the heat exchanger internal resistance, thereby increasing efficiency. D) The soot acts like an insulator on the inside of the heat exchanger, thereby increasing efficiency.