A randomized 100 question test from a pool of 1236 questions, good luck!
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
Worker education is the responsibility of the:
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
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 largest diameter of the thread?
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 visual indicator only?
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 3.5 cm and the effective area of the diaphragm is 0.05 m^2
The result of a _______ actuator is installed with a ________ valve will be air-to-open
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
(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?
Solve for the missing side.
(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?
Solve for the hypotenuse.
Which of the valves below would be used for isolation on each side of a control valve?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
What is the area of a semi-circle with a diameter of 2.45m?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
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, fuse and an interlock?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
Solve for the hypotenuse.
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
Convert ¹⁸⁄₅ to a decimal.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the displacement of the car?
(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?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
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
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
(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 maintenance of instruments in hazardous locations of instruments?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
The MSDS for each controlled product must be:
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
What is the SI unit of force?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
"A triangle in which all three sides are equal." is a description of which mathematical term?
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 "A" in the picture below?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
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?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
If a tool increases from $43 to $76, what is the percentage increase?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
What is the SI unit of pressure?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
What is the name of the tool that is used on round stock to cut external threads?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
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 an explosion-proof enclosure?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
(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 conductor type and use?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
The symbol for a voltage source is which of the below?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
What is the term used to describe the total opposition to current flow in an AC circuit?