The law of moments is the principle behind _____.
a. the pendulum effect
b. crane stability
c. effective weight
d. momentum
b. crane stability
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________ is the general disease term used to describe seedling infection by Pythium or Rhizoctonia.
Fill in the blank(s) with the appropriate word(s).
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The term emf is known as alternating voltage and can be made visible on an instrument known as an ____.
a. oscilloscope b. oscillometer c. alternating scope d. alternate voltmeter
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Greater accuracy and precision are possible with digital techniques
Indicate whether the statement is true or false
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Why would a preheat coil be used on the energy-recovery wheel?
A) To dry the intake air B) To prevent moisture transfer to the supply air C) To prevent frost from forming on the wheel D) To warm the exhaust air
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