The two pressures that push to close a thermostatic expansion valve are the ____________________ pressure and the ____________________ pressure.
Fill in the blank(s) with the appropriate word(s).
spring, evaporator
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Mastitis is caused by injury to the cow’s
What will be an ideal response?
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?Which of the following is true of electroslag welding?
A. ?The arc is produced below the molten flux surface. B. ?The heat for welding is produced by current transferred from the electrode to the work. C. ?The slags produced are highly conductive in a molten state. D. ?The slags must be relatively shallow to maintain the circuit.
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What are the minimum safety precautions to be taken in gassy operations?
What will be an ideal response?
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The disadvantages of DDS include the limit on maximum output frequency and higher ___________
A. cost B. output waveforms C. phase noise D. analog units
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