A randomized 100 question test from a pool of 1236 questions, good luck!
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
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 equation to calculate density is?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
Which type of pilot valve has one supply connection and two output connections?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
(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?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
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 vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when tubing around a tight corner?
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?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
State 3 ⅞ as a mixed fraction.
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
(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??
State the number 0.003402 using decimal notation and round the answers to three significant digits.
(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 signal circuits that are considered Class 2?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
To perform a "Zero" adjustment the order of step(s) is/are?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
What percentage of 35 is 21?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
What are the three areas of WHMIS?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a resistor with a smaller one in a simple circuit?
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 varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
Covert 34.5 kPa to psi.
What are the three main elements of a regulator?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
The circumference of a circle is calculated with which correct equation?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
(310104b) There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would require constant replacement?
(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 instruments in a hazardous location?
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 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
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
What is the SI unit of force?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting tube to tube?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
The prefix "giga" can be expressed as?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
In the SI system, what is the fundamental hydrostatic pressure equation
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
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 current to an open circuit?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
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."?
In the SI system, the unit used for mass is?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting larger OD tube to a smaller OD tube?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Hysteresis can only be calculated.
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 2 to non-hazardous?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
To perform an "Angularity" adjustment, the order of step(s) is/are?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?