For most systems, the minimum velocity in a horizontal suction line is:
A) 3,000—3,500 ft per minute. B) 1,000—1,500 ft per minute.
C) 500—750 ft per minute. D) 750—1,000 ft per minute.
C
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An adiabatic compressor, operating at STEADY-STATE, is used to compress an ideal gas stream from an entering condition of P=0.5 bar and T=300 K to an outlet pressure P=2 bar. If the gas has CP*=4R and the compressor is 80% efficient, find the ACTUAL work added (per mole of gas).
An adiabatic compressor, operating at STEADY-STATE, is used to compress an ideal gas stream from an entering condition of P=0.5 bar and T=300 K to an outlet pressure P=2 bar. If the gas has CP*=4R and the compressor is 80% efficient, find the ACTUAL work added (per mole of gas).
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Technician A says that wrenches are made of cast iron. Technician B says that an open end wrench is the best tool to loosen a seized fastener. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B