A randomized 100 question test from a pool of 1236 questions, good luck!
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
A battery has a rating of 80Ah, this means it can supply
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
60% of 54 is what?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
The prefix "Mega" can be expressed as?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
What is the name of the tool used to cut internal threads after drilling a hole?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
What type of cell is a lithium constructed battery?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm and fuse only?
Newton's first law is also known as?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the short circuit current?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "a localized electric current induced in a conductor by a varying magnetic field."?
The area of a circle is calculated with which correct equation?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "C" in the picture below?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for workers?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the smallest diameter of the thread?
(310102n) The Canadian Electrical code (CEC) encompasses all standards for electrical/instrumentation work. Which of the sections of that code below would relate best to the grounding circuits that are isolated?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
In the SI system, the unit used for mass is?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for suppliers?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
Which are the two major categories of pressure regulators?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
Convert 88 PSI to kPa
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
Of the valves below, which would be best for erosive service?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
State the number 13487000 using scientific notation and round the answers to three significant digits.
Determine x if 5:16=x:128.
101.325 kPa is equal to?
In a baffle-nozzle-restrictor motion detector the:
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Materials with five or more electrons in their valence shell are considered what?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier at the open end of a process pipe?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
Which pressure to force converter is typically used in dial indicating pressure gauges?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.02 m².
Which of the following is not affected by a positioner?
A moment balance negative feedback system is a force balance system?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
(310102n) The Canadian Electrical code (CEC) encompasses all standards for electrical/instrumentation work. Which of the sections of that code below would relate best to the installation of an electrical communication system?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between metal conduit and cable tray?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
A moment balance negative feedback system is a motion balance system?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
5 coulomb of charge require how many electrons?