A randomized 100 question test from a pool of 1236 questions, good luck!
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
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
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 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 installation of cathodic protection?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
Convert the following quantities to the units asked for: 27000 seconds to hours.
Materials with one to three electrons in their valence shell are considered what?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
Of the answers below, which one is a disadvantage of a Pinch valve?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
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?
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?
(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?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
Convert 0.500 to a fraction.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
Convert ¹⁸⁄₅ to a decimal.
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
(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?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
(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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
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?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
How is the term "Cv" calculated?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
(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 tube to tube?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
Convert 0.125 to a fraction.
Choose the correct order of mathmatical operations.
Convert ⁸⁄₁₉ to a decimal.
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."
Which of the valves below would be used for isolation on each side of a control valve?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
In what kind of circuit would all of the applied voltage appear across an open circuit?
"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?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
Gauge pressure is calculated by?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
(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?
(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 instruments in a hazardous location?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
The two main functions of a negative feedback system are:
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?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
The prefix "Micro" can be expressed as?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
Faraday's law of induction states:
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
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?
How many electrons does 134.5 x 10¹⁹ represent?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
"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?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
Lenz Law states:
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
With a reverse acting actuator, as the pressure increases: