A randomized 100 question test from a pool of 1236 questions, good luck!
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
"The results of a devices inelastic quality" is a definition of which term?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
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.
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
The area of a circle is calculated with which correct equation?
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?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
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?
65% of 765 is equal to?
Isolate for "v" in the following equation: d=vt
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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?
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
(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?
(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?
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
The basic unit of matter is called?
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?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
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 "ib" equipment can withstand?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
(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 3 tubes together?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
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?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
(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 4 tubes together?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
(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, prior to any work, the administrative procedures to be in place?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
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?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A _________ has the air connection usually under of the diaphragm.
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
In the SI system, the unit for length is?
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 current to an open circuit?
convert 56.7 psi to kPa.
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
"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?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
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?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
Calculate the relative density for a fluid that has a density of 748 kg/m³
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
"Hydrostatic" pressure is sometimes referred to as
Newton's first law is also known as?
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?
(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?
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?
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
(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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R3?
Convert 0.625 to a fraction.
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
Convert 4 ⅞ to an improper fraction.