In a standard doorbell, the ____________________ and contact points are ungrounded, while the armature and terminal E are grounded to the case.
Fill in the blank(s) with the appropriate word(s).
electromagnets
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The most common bearing that you’ll find in a power equipment two-stroke engine is the ____________________.
Fill in the blank(s) with the appropriate word(s).
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The weight of aggregate surfacing on a built-up roof is generally
A) 5 lb per roof square. B) 15 lb per roof square. C) 25 lb per roof square. D) 400 lb per roof square. E) 40 lb per roof square.
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Hydraulic benders are capable of bending rigid pipe up to and including _____.
a. 2-1????2" in diameter b. 3" in diameter c. 4" in diameter d. 6" in diamete
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Why must a heat pump indoor coil be able to withstand higher pressures than a regular air conditioning evaporator coil?
What will be an ideal response?
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