An auxiliary drain pan under an air handler is required when the air handler is installed ____.
A. in an attic
B. in a drop ceiling
C. above a traffic area
D. all of the above
Answer: D
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This is a method of dimensioning where each feature dimension originates from a common surface, axis, or center plane.
a. chain dimensioning b. baseline dimensioning
Technician A says that a disadvantage of a HADI over a standard EHI, is that the HADI nozzle seat has to seal much higher rail pressures. Technician B says that the high pressure piston pump used with the current DD-Series ACRS is supplied by Bosch. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
A bridge is composed of two trusses whose configuration is shown in Figure P12.38. The trusses are loaded at their top chord panel points by the reactions from a stringer and floor beam system that supports a roadway slab. Draw the influence lines for forces in bars FE and CE. Assume that vehicles move along the center of the roadway so one-half the load is carried by each truss. If a fully loaded motorized ore carrier with a total weight of 70 kN crosses the bridge, determine the maximum live load forces in bars FE and CE. Assume the truck can move in either direction. Consider the possibility of both tension and compression force in each bar.
What are the non-chemical methods available to control growth?
What will be an ideal response?