The movable part of the relay is called the ____.
a. control coil
b. yoke
c. armature
d. medium
c. armature
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____ are hardwood blocks with threaded rods through them.
a.Wood screws b.C clamps c.Spring clamps d.Quick clamps
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All insulating tools should be stored _____.
a. humid and oiled b. snug and shock-resistant c. dry and clean d. clean and oiled
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What is the most common range for minimum velocities in a horizontal line carrying refrigerant vapor?
What will be an ideal response?
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What is the purpose of wearing rings on a centrifugal pump?
a. Prevents fluid leakage b. Increases compression ratio c. Allows fluid leakage d. Prolongs bearing life
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