_____ estimates are prepared from completed drawings and specifications
a. Field
b. Resource
c. Change order
d. Detailed
d
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Manual starters for DC motors are rare because ____________________ are much more efficient and practical.
Fill in the blank(s) with the appropriate word(s).
By inspection of the figure, which of the following statements is false?
Consider the following figure that describes the solid-liquid equilibrium of a binary mixture:
A. The melting point of component 1 is about 345 K.
B. The system would be reasonably modeled by an ideal solution for the liquid and an ideal solution for the solid.
C. The system forms an immiscible solid solution.
D. The melting point of component 2 is about 395 K.
E. None of the above are false.
The _____________________________ is used to help technicians perform a number of tasks including taking pressure readings on the high side of the system and trapping all of the system refrigerant in the receiver to perform system service.
Fill in the blank(s) with the appropriate word(s).
A _____ is a heat recovery and ventilation device that pulls polluted air from within the building envelope and transfers the heat by pulling fresh air into the house.
A. trombe wall B. steam-heating unit C. air-to-air heat exchanger D. diffuser