If a PV system is utility interconnected but also has battery back-up to power loads when the grid is down a(n) ____________________ inverter needs to be specified.
Fill in the blank(s) with the appropriate word(s).
bimodal
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The part of a spool valve where pressure is applied to cause the valve movement is called the ________.
A) Land B) Valley C) Bore D) Face
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Soils created by fine particles of clay and silt that have been deposited by the wind are called ____ soils
a. loess c. volcanic b. eolian d. clay
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Gear pitch is determined by:
a. the amount of torque needed to be transferred b. the speed the gear will rotate c. the number of teeth on a gear and the material they're made of d. the number of teeth on a gear and its diameter
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A refrigerant blend with a glide of 2°F or less would be considered:
A) A compound. B) A high glide blend. C) An azeotrope. D) A low glide blend.
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