ENGT Chapter 5 and 6 Study Guide
Kettle reboilers have at least _____ connections
Five
List seven types of problems a fired heater typically encounters;
Flame impingements on tube Coke buildup inside the tubes Hot spots inside the furnace Fuel composition changes Burner flameout Control valve failure Feed pump failure
Name at least 10 components of a 3-phase AC electrical motor.
Frame Bearing Oil Fan Bearing Stator Revolving Magnetic Poles Rotor Seals Load Electric Power
Describe how a 3 phase AC electrical industrial motor works.
It uses alternating current for power.
Fluid flow is characterized as
Laminar Turbulent Parallel
Sensible heat transfer accounts for _______% in a cooling tower;
10 to 20 percent.
What is the primary difference between a pump and a compressor?
A pump moves liquids and a compressor moves gases
Cooling towers are classified by
The way they produce air flow and by the way the air moves in the relation to the downward flow of water.
The primary difference between a kettle reboiler and other heat exchangers is a
A vapor disengaging cavity
Furnace mechanical draft comes in four designs; List them!
Cabin Cylindrical Box A Frame
The primary methods of heat transfer include
Conduction, Convection, Radiant
Kettle reboilers are used to; (Name three)
Control liquid level Control temperature of column Control product purity in bottom of column
Furnaces are classified as
Direct fired or Indirect fired.
Name six processes furnaces support;
Distillation Reactor processes Olefins production Hydrocracking Batch and Continuous process Hydrodesulphurization
The primary purpose(s) of a heat exchanger is (are); (Name Three)
Heat or cool a substance Transfer heat energy between two fluid streams Convert hot vapor to liquid or preheat liquid
Heat energy is transferred from areas of
Hot to cold
The basic furnace designs include; (Name three)
Natural, Induced, Forced.
Shell and tube heat exchangers can be broken into all the following. (Name Seven);
Pipe and Coil Double pipe Fixed head single pass Fixed head multi pass Floating head multi pass Kettle reboiler Thermosiphon reboiler
Steam Generators , commonly called boilers, are used by industrial manufacturers to
Produce steam
The primary purpose of a cooling tower is
Remove heat from water.
The primary methods of heat transfer in a cooling tower are
Sensible heat and evaporation.
Heat exchangers can be found in the following categories. (Name Three)
Shell and Tube, Plate and Frame, Air-Cooled
Reboilers have two basic designs
Thermosyphon or kettle
