The thicker the pipe wall, the greater the ____ the pipe can carry.
A. volume
B. pressure
C. area
D. flow rate
Answer: B
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What type of lubricant returns the oil to a reservoir where filtration and cooling occur before redistribution back through the system?
A. Drip feed B. Oil mist C. Recycling D. Splash feed
(a) As explained in Sec. 10.10, a ternary alloy may have a ternary eutectic point, at which four phases may coexist. Describe the nature of these four phases. How many degrees of freedom are there when the four phases coexist in a ternary alloy? What is the meaning of this?
(b) A ternary alloy may also have a three?phase field. How many degrees of freedom will there be in the three?phase field? Explain the significance of this number of degrees of freedom. (c) In a ternary alloy a single?phase field may also occur. How many degrees of freedom will it contain?
For a building to be properly ventilated:
A) Vents should always be installed from the sides of a building structure. B) Air must be able to flow and exchange properly throughout the building space. C) A vent hole must be installed in the center of a building space. D) Air must be ducted from the floor to the ceiling.
When there are three or four letter tag identifiers, the second letter ____.
A. tells the function of the instrument B. provides additional information about the first letter C. indicates the type of process variable D. gives the loop identification E. either a or b