A randomized 100 question test from a pool of 1236 questions, good luck!
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
In the SI system, the unit of force is?
What is the name of the tool used to cut internal threads after drilling a hole?
Which type of pilot valve has one supply connection and two output connections?
What are the two main systems of negative feedback?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
The best description for "Span error" in relation to calibrating instruments is which of the following?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
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?
This valve is primarily used in slurry service and is not over 8 inch in general
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?
The outermost shell of an atom is called the valence shell.
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
One coulomb is equal to how many electrons?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
What is the main purpose of valve positioners?
(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 an electrical communication system?
What are the three main elements of a regulator?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
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?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
State the number 7.428 using scientific notation and round the answers to three significant digits.
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 final velocity of the car?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
(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?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
The two main functions of a negative feedback system are:
A moment balance negative feedback system is a motion balance system?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
A _________ has the air connection usually under of the diaphragm.
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
(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?
State 7 ⁹⁄₁₇ as an improper fraction.
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
Convert 0.125 to a fraction.
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
What is the smallest charged particle?
8 coulomb of charge requires how many electrons?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
To alter the pressure setting on a regulator what element would you adjust?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
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?
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.
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?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
(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?
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?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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?
14.696 psia is equal to?
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?
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?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
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 result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
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?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
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?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
1 psi is equal to _____ kPa
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
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?