Calculate the amount of thermal energy required to raise the temperature of 20 gallon of water from 60 ºF to 120 ºF. Express your answer in Btu, J, and cal.
What will be an ideal response?
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Las condiciones de servicio habituales de la NEMA incluyen una variación de voltaje de no más de _____ del voltaje nominal.
a. 0.02 b. 0.05 c. 0.1 d. 0.2
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Resistive loads are said to be ____________________, because voltage and current are always the same polarity, and are being used in the same proportion for all time points along the horizontal axis of wave forms.
Fill in the blank(s) with the appropriate word(s).
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Plant pests can be brought into a landscape setting from suppliers with poor production hygiene
Indicate whether the statement is true or false
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The perpendicular position of the armature to the main field is called the ____________________.
Fill in the blank(s) with the appropriate word(s).
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