A randomized 100 question test from a pool of 1236 questions, good luck!
(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?
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?
The trigonometric ratio of cosine is calculated with which mathematical 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?
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?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
Which of the welding processes below would welding goggles be worn?
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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 "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
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 several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between metal conduit and cable tray?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
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"
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
(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?
If a tool increases from $43 to $76, what is the percentage increase?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
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."
Solve for the hypotenuse.
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described as having a blind and a spacer together in one assembly?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
What is the basic unit of matter?
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
Which are the two major categories of pressure regulators?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
Which of the following measurements cannot be performed by a sliding caliper?
The point when increasing current will not increases magnetism in an electromagnet is call?
"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?
Newton's first law is also known as?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends offset and one pipe connector?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
When an atom loses an electron, it is commonly referred to as which of the below?
1 mechanical, or imperial, horsepower is equal to which of the below?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
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?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
(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?
Solve for x: 45-200÷10=x
The area 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 basic unit of matter is called?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
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?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
The prefix "Kilo" can be expressed as?
(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??
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
Which type of valve is pictured below?
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?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
From the information given in the diagram below, what is the current flowing on branch R3?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
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?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
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 a Class I, Zone 2?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
"5 x 7=7 x 5" is an example of which mathematical law?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
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?