How are reciprocating, scroll and rotary compressors lubricated?
What will be an ideal response?
internal oil pumps using oil in the compressor crankcase
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If a synchronous-type motor is operated at 90 percent power factor, the rated full-load current in the table is to be ____.
A. decreased by 90% B. decreased by 10% C. increased by 10% D. increased by 90%
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Write the equations for shear and moment between points B and C for the rigid frame in Figure P5.11. Select the origin at point C.
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A saltwater tank is easier to maintain than a freshwater tank.
Answer the following statement true (T) or false (F)
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Suppose a project requires 39,302 pounds of steel for columns and beams. What is the calculation for the equivalent amount in tons?
A. 39,302 x 2.12 B. 39,302 / 2,000 C. 39,302 / 27 D. 39,302 x 0.6944
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