A randomized 100 question test from a pool of 1236 questions, good luck!
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
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 "⅜" refer to?
In the fraction A/B, is A the numerator?
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?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
(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 larger OD tube to a smaller OD tube?
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?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
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?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for workers?
The volume of a rectangle is calculated with which correct equation?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
(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?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
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?
Which type of valve is pictured below?
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?
The prefix "Micro" can be expressed as?
60% of 54 is what?
(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??
Matter that is composed of more than one type of atom is called?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
Convert 4 ⅞ to an improper fraction.
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
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 a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
What provides the seal on the valve stem to prevent leakage of the process?
In a baffle-nozzle-restrictor motion detector the:
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
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?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
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 cable tray and metal conduit?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
Angle motion negative feedback system consists of:
In what kind of circuit would all of the applied voltage appear across an open circuit?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
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.
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
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?
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 decrease in resistive load?
State 7 ⁹⁄₁₇ as an improper fraction.
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
The outermost shell of an atom is called the valence shell.
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
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.
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
The MSDS for each controlled product must be:
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
Solve for the missing angle.
(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 pilot valve has two common supply connections, and two connections for output?
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?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
From the information given in the diagram below, what is the total parallel resistance of the circuit?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
(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??
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
Materials with one to three electrons in their valence shell are considered what?
Convert 18.5 psi into inches W.C.
What power of soldering station is used for electronic soldering?
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 different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
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 a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
One coulomb is equal to how many electrons?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
"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?
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
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?
14.696 psia is equal to?