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Power Engineering Fourth Class: Questions and Exercises for 4A, Exams of Electrical Engineering

A series of questions and answers related to power engineering, specifically for fourth-class certification. It covers various topics including boiler operation, safety codes, steam engines, basic physics concepts, and mechanical principles. Designed to help students prepare for their fourth-class power engineer certification exam.

Typology: Exams

2024/2025

Available from 03/26/2025

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POWER ENGINEERING FOURTH CLASS
FOR 4A 100% CORRECT
What approximate pressure is the fuel delivered to a high pressure add atomizing oil burner
✔✔700 kpa
What is the minimum temperature rating for a blow off valve fitted to a heating boiler ✔✔120
In Alberta the safety codes act established the following classes of power engineers certificates
✔✔1st,2nd,3rd,4th
When oil mixes with water in the boiler the resultant effect is ✔✔Serious foaming
Which of the following is not a common work schedule for power engineers? ✔✔Seasonal
layoffs
Somebody responsible for standardizing symbols used to indicate materials of construction and
the sketch is the ✔✔American standard association
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POWER ENGINEERING FOURTH CLASS

FOR 4A 100% CORRECT

What approximate pressure is the fuel delivered to a high pressure add atomizing oil burner ✔✔700 kpa

What is the minimum temperature rating for a blow off valve fitted to a heating boiler ✔✔ 120

In Alberta the safety codes act established the following classes of power engineers certificates ✔✔1st,2nd,3rd,4th

When oil mixes with water in the boiler the resultant effect is ✔✔Serious foaming

Which of the following is not a common work schedule for power engineers? ✔✔Seasonal layoffs

Somebody responsible for standardizing symbols used to indicate materials of construction and the sketch is the ✔✔American standard association

And have piping layout blank line sketches are used ✔✔Single

And octagon has how many sides OK ✔✔Eight

After an initial inspection have a boiler or pressure vessel and I'll Burda identification number proceeded by the letter a in a blank shall be stamped on the boiler or pressure vessel ✔✔Circle

A candidate for a welder's performance qualification card ✔✔Must first pass at performance qualification test

When applying to write a certificate of qualification examination the candidate when applicable may have to ✔✔Be in possession of the next lower class of certificate

The IAO is an organization who's primary concern is ✔✔Lowering of insurance costs through standardization

Which of the following certificates of competency qualifies the holder to take charge of the general care and operation of any power plant as chief steam engineer and to supervise the

Fourth class power engineer certificate of competency qualify as a holder to take charge of the general care and operation of a power plant consisting of one or more coil type drum less boilers having an aggregate capacity of not more than blank kilowatts when used for the sole purpose of underground thermal flooding and oil fields as chief steam engineer ✔✔ 5000

Power engineers are ✔✔Skilled workers who operate and maintain the equipment and a power plant

Went to straight lines meet our cross each other they form ✔✔And angle

A blank is a four sided figure having no two sides parallel ✔✔Trapezium

A/An Blank triangle has two sides of equal length and the third side is longer or shorter ✔✔Isosceles

What type of triangle has three sides of equal length ✔✔Equilateral

A/An Blank triangle has no two sides or angles equal and no right angle ✔✔Scalene

Which of the following statements about parallel lines is false ✔✔They can cross

When all the angles of a quadrilateral are added together their sum is blank degrees ✔✔ 360

Quadrilaterals are figures that have blank straight sides ✔✔ 4

The unit of measure of power used in the SI system is ✔✔Kilowatts

Rate of doing work is defined as ✔✔Power

The unit of force used in the SI system is the ✔✔Newton

Any action on a body which tends to change its size shape or its state of motion is defined as ✔✔Force

Rate of doing work is defined as ✔✔Power

Which of the following statements is true? ✔✔N

A Simple machine and is one which receives energy by means of a single applied force and produces work by means of blank ✔✔A single output force

Velocity ratio is defined as ✔✔The ratio of the distance moved by the effort to the distance moved by the load

The ratio of the load to the effort is called ✔✔Actual mechanical advantage

Distance is: ✔✔A scalar quantity

A vector quantity has ✔✔A direction, magnitude and necessary units of the quantity

A scalar quantity has ✔✔Both magnitude and necessary units

Vectors that are all in the same plane are defined as ✔✔Coplanar

The SI unit for acceleration is ✔✔M/s squared

Acceleration may be defined as the rate of change in : ✔✔Velocity

According to Newton's law of motion which statement is false? ✔✔A body in motion will come to rest unless acted upon by an external unbalanced force

Work is defined as ✔✔The product of the force applied on an object and the distance through which the force moved

To start a body moving which of the following must be overcome? ✔✔Static friction

The coefficient of friction is defined as : ✔✔The ratio of the force required to move a body to the normal reaction force

Which of the following statements is false? ✔✔Kinetic friction is greater than static friction

Stress ✔✔

A unit of stress is ✔✔Kpa

Which of the following statements about belt drive systems is false? ✔✔Tension in the bottom belt is always double that in the top belt is false

Following is true: linear speed on a point on each pulley will be the same as the linear speed of the belt.

Belt driver pulleys move follower pulleys by means of frictional force between the belt and pulleys. Rotational speed will be equal if the pulley diameters are equal. A belt system is 100 percent efficient if there is no slippage

The clearance necessary between the teeth that have to mesh is called ✔✔Backlash

Columns 8,9,10 deal with which type of energy? ✔✔Enthalpy

Superheated steam is ✔✔Temperature is higher than the saturated temperature

Heat which brings about a change of state ✔✔Latent heat

In columns 8 of table 1 of the steam tables the enthalpy found in that column is known as the ✔✔Sensible heat

In column 1 of table 1 of the steam tables the unit used for pressure is in ✔✔Kpa

The unit used for specific volume in the steam tables is ✔✔Cm3/h

Which is an example of a physical change in a material ✔✔Melting evaporation condensation sublimation

Which of the following involves a chemical change ✔✔Burning natural gas

The state of matter observed for a particular substance is dependant on its ✔✔Temperature and pressure

An ellipse is the result of ✔✔Viewing at circle obliquely

In order for a sketch to look like the object it represents we ✔✔Make this sketch in proportion

An ellipse is the result of ✔✔Viewing at circle obliquely

The three most commonly used views in drawing are ✔✔Front plan side

In order to show all sides of an object being sketched a number of views required ✔✔Six

Lines used to indicate distance between two points on a sketch are called ✔✔

Dimension lines ✔✔

And air piping layout blank line sketches are used ✔✔Single

And down which means rule or law is ✔✔Principle

And ideal sentence should be approximately ✔✔15 to 20 words long

When two or more complete thoughts are punctuated into one sentence the sentence is known as a ✔✔Run on or fused sentence

Far part of a sentence which must agree with its antecedent in number gender or person is the ✔✔Pronoun

When a sentence is easy to understand at its first reading we can say it has good ✔✔Clarity

When we wish to avoid blaming A person and we should use ✔✔A passive voice sentence

A punctuation mark not used with pronouns is the ✔✔'Apostrophe

Choose the word below which is the correct representation of a possession word ✔✔Anybody's

One difference between an essay and a technical report is ✔✔Very few readers will read the complete report

When key information is placed at the beginning of the paragraph that reader may ✔✔Read more efficiently

The 5W's and H used in the introductory paragraph answer what is commonly called ✔✔The journalistic questions

Of the four methods used to achieve paragraph coherent the most complex is the use of ✔✔Parallel structure

When writing a paragraph on how to make or do something the development is called ✔✔Process development

The five methods of paragraph development are ✔✔Process reasons and examples contrast and comparison spatial and chronological

The five methods of paragraph development are ✔✔RENNS reasons process comparison and contrast

The scope origin and purpose of a report should be covered ✔✔Within the opening paragraph

A memo paragraph should not exceed ✔✔8 to 10 lines

When organizing a memo they should follow a clear middle ending and ✔✔Beginning

Memo format is used in written communication ✔✔For short correspondence between the members within the organization

That subject line should include ✔✔The main subject and purpose of the memo expressed in a phrase

It is important that a memo ✔✔Be adapted to the reader

The content of effective memos is written ✔✔In paragraphs and lists

A fitting as defined in the act means ✔✔A gauge glass

The purpose of the safety codes act and engineers regulations is to ✔✔Ensure safe installation and operation of Power plants

Expected conduct during an examination for a Certificate of competency is stated in ✔✔The engineers regulations of Alberta

Add body which was formed in 1919 for the promotion of safety and uniformity in the construction and installation an inspection of boilers and pressure vessels was the ✔✔National board of boiler and pressure vessel inspectors

When applying to write a certificate of qualification Examination the candidate where applicable may have to ✔✔Be in possession of the next lower class of certificate

The American Society of mechanical engineers aSME codes has how many sections ✔✔ 9

The purpose of the safety codes act and engineers regulations is to ✔✔Ensure safe installation and operation of power plants

Take a grade B pressure welders certificate of competency Examination a candidate must apply to as safety codes officer at least blank days before the Examination ✔✔ 7

When applying to write a certificate of qualification examination the candidate when applicable may have to ✔✔Be in possession of the next lower class of certificate

If there was a conflict between the codes in ASME section 1 and CSA B-51 which code would take precedence ✔✔CSA B-

According to CSAB - 51 for lap seam riveted boiler has been relocated what shall be its maximum operating pressure ✔✔103 kpa

Heating boiler means ✔✔Boiler worst team is produced at a pressure of 103 kPa or less

Once you have taken over a shift in a high-pressure boiler plant you may leave the boiler unattended for ✔✔No period of time