The principle of inducing a current flow in a wire when it is moved within a magnetic field is known as ____ induction.
a. electromagnetic
b. magnetic
c. dynamic
d. static
a. electromagnetic
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Acid in the water can react with copper pipes to leave stains that are _____.
a. red b. black c. green d. yellow
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What is the meaning of the numbers recorded at the intersections of a borrow pit grid?
What will be an ideal response?
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The rate of salt build-up can be slowed by ____, in which water that carries excess salts flows through
drainage holes into saucers, which are then emptied.
a. draining c. regulating b. leaching d. flowing
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How does oversizing a heat pump affect its efficiency?
What will be an ideal response?
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