A randomized 100 question test from a pool of 1236 questions, good luck!
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?
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 average velocity of the car?
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
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
(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?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
Which of these pressure to force converters has two diaphragms soldered together?
(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 4 tubes together?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
Hysteresis can only be calculated.
A _________ has the air connection usually under of the diaphragm.
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 "SS" refer to?
The volume of a cylinder is calculated with which correct equation?
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?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
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 higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
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."?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
When an atom loses an electron, it is commonly referred to as which of the below?
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 this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
What type of cell is a lithium constructed battery?
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?
"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?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to permit the apprentice to register and attend technical training?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
The perimeter of a Triangle is calculated with which correct equation?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
Faraday's law of induction states:
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
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?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
In the SI system, the unit used for mass is?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
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?
Convert the following quantities to the units asked for: 27000 seconds to hours.
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
The prefix "Milli" can be expressed as?
(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?
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?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
Solve for x: 45-200÷10=x
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "i" equipment can withstand?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "4 mm" refer to?
In the SI system, the unit for length is?
"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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
(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??
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
The equation to compute mechanical advantage is which one of the below?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
To preform a "Span" adjustment the order of the step(s) is/are?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
From the information given in the diagram below, what is the current flowing on branch R2?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
Express 60% as a reduced fraction.
Which of the terms below is measure in "watts"
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
(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?