A randomized 100 question test from a pool of 1236 questions, good luck!
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
(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 grounding circuits that are isolated?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
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?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
What type of cell is a lithium constructed battery?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
Isolate for"h" in the following equation y=(h-t)/r
From the information given in the diagram below, what is the current flowing on branch R2?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
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?
Isolate the following equation for "v": d=vt
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?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
"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?
State ⁶⁵⁄₁₄ as a mixed fraction.
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
7 coulombs of charge require how many electrons?
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
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?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
The symbol for resistance is which of the below?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
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"
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
Of the answers below, which one is a disadvantage of a Pinch valve?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
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 "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
The prefix "Centi" can be expressed as?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 1000 hours a year?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
(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 signal circuits that are considered Class 2?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
From the information given in the diagram below, what is the total parallel resistance of the circuit?
With a reverse acting actuator, as the pressure increases:
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
Which of the valves below would be used for isolation on each side of a control valve?
"pressure developed by a column of liquid" is the definition of which term
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(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?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
Which valve is used for corrosive slurries?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
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?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
1 kPa is equal to _____ psi
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?
Covert 3 ⅘ to an improper fraction
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?