A randomized 100 question test from a pool of 1236 questions, good luck!
(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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
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.
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
Convert ¹⁰⁄₁₅ to a decimal.
The perimeter of a square is calculated with which correct equation?
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 0-14 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
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"
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?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
State the number 479.3 using engineering notation and round the answers to three significant digits.
Which type of pilot valve has one supply connection and two output connections?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
What type of cell is a lithium constructed battery?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
The two main functions of a negative feedback system are:
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "C"?
What is the SI unit of force?
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?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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??
(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?
What percentage of 35 is 21?
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
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?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
(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?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
(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
(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?
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?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
What is the main purpose of valve positioners?
A true force balance negative feedback system is a force balance system?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
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?
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
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
(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?
Worker education is the responsibility of the:
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?
"A triangle in which all three sides are equal." is a description of which mathematical term?
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
Materials with five or more electrons in their valence shell are considered what?
When making an angularity adjustment, what is the first adjustment made?
(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?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
8 coulomb of charge requires how many electrons?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
"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?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
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.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
(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 cathodic protection?
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
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?
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?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
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?
Lenz Law states:
Determine x if 5:16=x:128.
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
"Is an area where no movement occurs with the actuators change in direction." describes which term?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
The volume of a sphere is calculated with which correct equation?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?