Describe the process of air blast freezing
What will be an ideal response?
Cold air at high velocities is circulated over the product. The air removes heat from the product and releases it to an air refrigerant heat exchanger before being recirculated.
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What component of a heat exchanger is a group of fixed or parallel tubes through which process fluids are circulated?
A) Baffles B) Tube sheet C) Tube bundle D) Spacer rods
Explain how specific gravity alerts an operator to the hazardous nature of a chemical.
What will be an ideal response?
Carbon is the primary alloy in the classification of low carbon and mild steel, and ranges from ____ for mild steel.
A. 0.01% to .15% B. 0.10% to .15% C. 0.15% to .20% D. 0.15% to .30%
When a torque converter impeller and turbine speeds match during normal operation, which one of the following must be true?
A. coupling phase B. lock-up phase C. peak torque multiplication D. seized stator