Which of the following lists the full-load currents for three-phase motors with a known winding type, horsepower, and voltage?
a. NEC Table 310.16(A)
b. NEC Table 370.16(A)
c. NEC Table 430.250
d. NEC Table 440.154
c. NEC Table 430.250
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The overwhelming event for Ireland in the 1840s was
A. the rebellion against British rule and potato famine. B. influx of immigrants from mostly Eastern European countries. C. the granting of limited home rule to most of Ireland by Great Britain. D. the migration from the countryside to the city. E. the increasing use of English instead of Gaelic.
Balanced glulam beams are mandated for
A) beams with an overhang. B) single-span beams. C) continuous beams. D) A and C. E) B and C.
What is the purpose of a cooling tower?
A) It cools the refrigerant by evaporating a small portion of the refrigerant to the air. B) It cools the water flowing through it by passing it over ice that is made during off peak hours. C) It cools the water flowing through it by evaporating a small portion of the water. D) It cools the water flowing through it using a separate compression refrigeration system.
Which statement is true about thermostats?
A) The temperature marked on the thermostat is the temperature at which the thermostat should be fully open B) Thermostats often cause overheating C) The temperature marked on the thermostat is a temperature at which the thermostat should start to open. D) Both A and B