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.
The volume of a cube is calculated with which correct equation?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
When an atom loses an electron, it is commonly referred to as which of the below?
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.
(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 be leak-proof at any temperature or pressure
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?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
What is the density of water?
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?
How many electrons does 134.5 x 10¹⁹ represent?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
Worker education is the responsibility of the:
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
In the SI system, what is the fundamental hydrostatic pressure equation
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
"An angle of 90°" is a description of which mathematical term?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced it with a larger one in a simple circuit?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 2 to non-hazardous?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
Of the terms below, what is "Power" measured in?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
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
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?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
Moment balance Negative feedback system consists of:
(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?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
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?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
The equation to calculate density 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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
Express ³²⁄₄₄ as a percent.
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
What percentage of 35 is 21?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
(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?
Materials with one to three electrons in their valence shell are considered what?
(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?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
The symbol for a amperes is which of the below?
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?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
The radius of a circle is calculated with which correct equation?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
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."
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
What type of flux is generally used the most in electronic soldering?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
14.696 psia is equal to?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
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?
(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?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
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?"
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
(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 tubing around a tight corner?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
(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 be connected to a flange that was one-holed?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?