5. The air handling unit for an office has a 20 HP motor that operates at full speed. An energy audit of the office has determined that the air flow of the HVAC system can be reduced by 20%. What is the new HP requirement for the air handling unit motor? a. 10.2 HP b. 12.4 HP c. 15.1 HP d. 16.0 HP

5. The air handling unit for an office has a 20 HP motor that operates at full speed. An energy audit of the office has determined that the air flow of the HVAC system can be reduced by 20%. What is the new HP requirement for the air handling unit motor? a. 10.2 HP b. 12.4 HP c. 15.1 HP d. 16.0 HP

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter8: Basic Electric Motors

Section: Chapter Questions

Problem 46RQ: Explain the operation of the direct current motor used in mini-split units.

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Rectangular Coordinate System

In a rectangular coordinate system, each point based on the pair of coordinates is specified uniquely in the plane. From two fixed perpendicular lines, these coordinates are at a distance in the rectangular coordinate system. Each line is known as the reference axis and axes as plural. The point where they meet is called the origin (0,0).

Question

5. The air handling unit for an office has a 20 HP motor that operates at full speed. An energy
audit of the office has determined that the air flow of the HVAC system can be reduced by
20%. What is the new HP requirement for the air handling unit motor?
a. 10.2 HP
b. 12.4 HP
c. 15.1 HP
d. 16.0 HP

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