A randomized 100 question test from a pool of 1236 questions, good luck!
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 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
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.
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
"Two angles that add to 180 degrees," is a description of which mathematical term?
State the number 7.428 using scientific notation and round the answers to three significant digits.
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
What is the area of a semi-circle with a diameter of 2.45m?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
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?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
The main function of a valve positioner is which of the below?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
A _________ has the air connection usually above the diaphragm
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
(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 3 tubes together?
Convert 16.5 psi into kPa
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
Solve for the hypotenuse.
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
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."?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
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 1 to non-hazardous?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
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?
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?
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
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?
Moment balance Negative feedback system consists of:
(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?
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?
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?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(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??
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
Determine x if 5:16=x:128.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
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 1000 hours a year?
A moment balance negative feedback system is a motion balance system?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
Lenz Law states:
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
Which of these pressure to force converters has two diaphragms soldered together?
Materials with one to three electrons in their valence shell are considered what?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
(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 1 circuits that are controlled remotely?
(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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
Alternating current is bi-directional.
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
What power of soldering station is used for electronic soldering?
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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
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 "ib" equipment can withstand?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
Of the valves below, which would be best for erosive service?
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 time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?