A randomized 100 question test from a pool of 1236 questions, good luck!
"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 100V power supply is outputting 2A, what size of resistor is in the circuit?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
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?
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 blocks any excess voltage from gaining access to a hazardous area?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
Covert 3 ⅘ to an improper fraction
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
(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 be leak-proof at any temperature or pressure
(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?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
With respect to pressure drop, which control; valve has "high" recovery characteristics?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
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?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
The outermost shell of an atom is called the valence shell.
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
State the number 13487000 using scientific notation and round the answers to three significant digits.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
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.
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
"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?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
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."
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
The symbol for resistance is which of the below?
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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps 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?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
Which type of pilot valve has one supply connection and two output connections?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
The supplier label:
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?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
(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?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
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?
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 letter "A" in the picture below?
60% of 54 is what?
(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 conductor type and use?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
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?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
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, fuse and an interlock?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
In the SI system, the unit used for mass is?
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 maximum of 1.2 volts it can develop or contain?
Moment balance Negative feedback system consists of:
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?
State ⁶⁵⁄₁₄ as a mixed fraction.
The best description for "Span error" in relation to calibrating instruments is which of the following?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for transporting workers?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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 distance from the crest of one thread to another crest measured along the length of the thread?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
The prefix "Mega" can be expressed as?