Which of the following is the plant source of linseed oil?
a. hay c. flax
b. wheat d. corn
C
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Head markings include the star, strip or stripe, snip, blaze, and ____________________ face.
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
1. VFDs take the place of magnetic motor starters for all applications. 2. Most VFDs have analog inputs for control. 3. Digital input simply means that the VFD uses electronic circuitry on the inputs that senses only two states, either the control voltage is present on the input, or it is not. 4. Analog inputs are capable of sensing a gradient of different levels of voltage or current, but digital inputs are not. 5. Motor defined input means that the user can program each of the inputs to serve different functions.
To test the air service brakes
A. Brake firmly while slowly moving forward
B. Brake softly while slowly moving forward
Why might mixing valves be used for radiant floor heating?
What will be an ideal response?