In order to facilitate air removal, a diaphragm-type expansion tank should be placed:
A) On the discharge side of the boiler. B) Above the boiler, below the roofline.
C) On the supply aide of the boiler. D) Above the highest terminal unit.
A
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If a method of postweld finish is also to be specified, it is placed ____ the contour symbol.
A. above or below B. left C. right D. above
A device operates under steady-state, steady-flow conditions. The device receives 45.2 kW of heat, the mass flowing in contains 165 kW of energy, and the device produces 65.6 kW of power. Determine the rate of energy flowing out of the system with the mass flowing through the outlet.
Given: Steady-State, steady-flow, so dE/dt = 0; Q?=45.2 kW; E?massflow,in=165 kW; W?=65.6 kW What will be an ideal response?
Which of the following are types of check valves? (Select all that apply.)
a. swing b. lift c. ball d. gate
List two typical output devices.
What will be an ideal response?