A randomized 100 question test from a pool of 1236 questions, good luck!
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?
Convert ¹⁸⁄₅ to a decimal.
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
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?
Of the adjustments below, which is the most common adjustment made?
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."?
65% of 765 is equal to?
The volume of a sphere is calculated with which correct equation?
A true force balance negative feedback system is a motion balance system?
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?
(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 WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
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 general purpose?
What power of soldering station is used for electronic soldering?
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?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
A moment balance negative feedback system is a force balance system?
In the SI system, what is the fundamental hydrostatic pressure equation
From the information given in the diagram below, what is the current flowing on branch R3?
In the fraction A/B. is B the numerator?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
Convert 0.625 to a fraction.
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
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?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer 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?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
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?
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
Covert 6 ¹¹⁄₁₃ 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 an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
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 "ia" equipment can withstand?
(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 require constant replacement?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
The symbol for a voltage drop is which of the below?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
What is the main purpose of valve positioners?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
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."
Which of the following measurements cannot be performed by a sliding caliper?
Convert 0.875 to a fraction.
Of the answers below, which one is a disadvantage of a Pinch valve?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
The trigonometric ratio of tangent is calculated with which mathematical equation?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
(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?
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 main function of a valve positioner is which of the below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
In the fraction A/b, is A the denominator?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
The equation to calculate density is?
The prefix "Centi" can be expressed as?
In the fraction A/B, is B the denominator?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
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?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
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 an explosion-proof enclosure?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
What type of cell is a lithium constructed battery?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure increase?
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?