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Chemical Engineering Questions And Answers 2025
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Chemical Engineering Questions And Answers 2025
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Terms in this set (100) Q&AsChemical Engineering Questions And
Answers 2025
Absolute Pressure - Relative to a vacuum.
Gauge Pressure + Local Atmospheric Pressure
Aneroid Gauge - Uses a small bellows that changes shape as pressure
changes.
Expands as pressure decreases.
Connects to a gauge.
Batch Plant - Chemicals are fed int system, chemical process takes place,
and materials are removed.
Allows for several different processes to occur in the same plant.
Typically used for small-scale quantities of finished products.
, Terms in this set (100) Q&As
Example: Pharmaceuticals
Bimetallic - Use the concept that different metals expand and contract due
to temperature at different rates.
Strips of unlike metals are joined.
As temperature changes, the strips will bend.
Temperature measurement device.
Block Flow Diagrams - Show basic representations of major processes.
Unit operations such as mixers, separators, reactors, distillation columns,
and heat exchangers are usually denoted by a simple block or rectangle.
Groups of unit operations may be noted by a single block/rectangle.
Process flow streams flowing into and out of the blocks are represented by
neatly drawn lines. These lines should either be horizontal or vertical.
The direction of flow of each of the process flow streams must be clearly
indicated by arrows.
Flow streams should be numbered sequentially in a logical order.
Unit operations (blocks) should be labeled.
Where possible the diagram should be arranged so that the process
material flows from left to right, with upstream units on the left and
downstream units on the right.
Bourdon-Style Pressure Gauge - Uses coils of tubing.
Shape of the coil changes in relation to the pressure changes.
Coil is connected to a needle through linkages.
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