An axially oriented slot of finite length on the outside of a shaft is a feature known as the ____________________.
Fill in the blank(s) with the appropriate word(s).
keyseat
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A buck-and-boost transformer has a primary current of 10A and transformation ratio of 10:1. What is the secondary current?
a. 0.1A b. 1A c. 10A d. 100A
Many states have ____________________ to protect the consumer.
Fill in the blank(s) with the appropriate word(s).
What is the purpose of shutoff valves in the water loop of a water-source heat pump?
A) They are used to shut off different loop zones in a zoned loop system. B) They allow water pressure to build. C) They keep water inside the piping system. D) They allow you to service a water-source unit.
When planning for a green remodeling project, ____ testing of the house using such tools as a blower door, duct blaster, and thermal imaging camera will provide you with information about hidden defects and provide a baseline of the house conditions against which you can measure the proposed and completed improvements.
A. duct B. performance C. insulation D. HVAC