Describe how a tree grows in length. How does it grow in diameter?
What will be an ideal response?
A tree grows in length by the production of new cells at the tips of the branches and roots by the active growth
cells known as meristematic tissue. It grows in diameter by the production of new cells in the cambium layer,
which lies between the bark and wood.
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Refer to Figure 1. What is the total load of a feeder serving four 230V motors rated 5hp, 15hp, 20hp, and 40hp?
a. 80A
b. 90A
c. 215.2
d. 241.2
Explain the difference between a "rigid" mount and a "resilient" rubber motor mount.
What will be an ideal response?
Technician A says that a high bus backbone consists of a twisted wire pair wound with bare copper wire and wrapped with a foil shield. Technician B says that the bare copper wire used in a high bus backbone is known as the drain. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
When dealing with construction joints, care must be taken to ensure _____
a. they are not too close together b. a good bond between layers c. reinforcement is properly installed d. mating surfaces are smooth