____ are often used in precast concrete drafting to clarify isolated portions of a structure.
A. Incomplete sections
B. Partial sections
C. Fractional sections
D. Limited sections
Answer: B
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Un método de arranque con voltaje reducido que se usa con controladores de voltaje reducido de estado sólido en el cual se suministra una alimentación inicial de corriente al motor para ayudarlo a liberarse del rotor y poder encenderse se llama:
a. arranque por pedal. b. límite de corriente. c. arranque por rampa: d. arranque por alimentación.
The advent of the incandescent light greatly influenced the art of growing interior plants
Indicate whether the statement is true or false
When sizing a compressor for a refrigeration application, the compressor is rated by: (TECH TIP)
A) The amount of refrigerant in cubic feet the compressor can move. B) The amount of time in which the compressor can move a pound of refrigerant through the evaporator. C) The number of pounds of refrigerant the compressor pumps per hour. D) The size of the refrigerated space.
Single entry doors are generally ____ wide.
A. 3' (900 mm) B. 4' (1200 mm) C. 5' (1500 mm) D. 6' (1800 mm)