A randomized 100 question test from a pool of 1236 questions, good luck!
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
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 current?
(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, prior to any work, the administrative procedures to be in place?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
"A two ratios that are equal in an equation." is a description of which mathematical term?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
Gauge pressure is calculated by?
(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?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
(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?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
Covert 3 ⅘ to an improper fraction
Solve for x: 45-200÷10=x
(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?
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?
Isolate for"h" in the following equation y=(h-t)/r
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
The desiccant head adsorbes water vapour due to which?
Express ³²⁄₄₄ as a percent.
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
Choose the answer below that has the words in order to correctly fill in the blanks. "A ______ in per unit volume temperature of a conductor, offers ______ resistance to current"
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
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?
If angle "Y" is equal to 28 degrees, solve for angle "X"
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
With a direct acting actuator, as air pressure increases:
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
Worker education is the responsibility of the:
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
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?
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?
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
"A triangle in which all three sides are equal." is a description of which mathematical term?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
(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 Class 2 circuits that are controlled remotely?
A moment balance negative feedback system is a force balance system?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
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?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
Which type of valve is pictured below?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
(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?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
"An angle of 90°" is a description of which mathematical term?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
What does the term "Cv" represent in calculating pressure drop?
The volume of a cylinder is calculated with which correct equation?
The volume of a rectangle is calculated with which correct equation?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
(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?
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."?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
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?
"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?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "⅜" refer to?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
Which pilot valve has two common supply connections, and two connections for output?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
The prefix "Centi" can be expressed as?