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