Structure B is the
A) pituitary gland.
B) hypothalamus.
C) pineal gland.
D) thymus.
E) thyroid gland.
A) pituitary gland.
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The evaporator coil operating temperature for a system with a 20°F split, 85°F return air, and 71°F supply air is:
A) COT = ((85°F - 71°F)/2 ) + 20 = 98°F. B) COT = 71°F - 20 = 51°F. C) COT = 85°F - 20 = 75°F. D) COT = ((85°F - 71°F)/2 ) - 20 = 58°F.
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GTAW power supplies may be of this type:
A) Magnetic amplifier B) Solid state C) Inverter D) All of the above
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__________ are devices that, when in place, prevent the accidental energizing of equipment.
A. Lockout devices B. OSHA devices C. Tagout devices D. Warning devices
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What part of a circle is a 90 degree angle?
A. 1/6 B. 1/4 C. 1/3 D. 1/2
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