A randomized 100 question test from a pool of 1236 questions, good luck!
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
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?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
When an atom loses an electron, it is commonly referred to as which of the below?
The trigonometric ratio of sine is calculated with which mathematical equation?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
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."?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
(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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
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?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
"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?
Isolate the following equation for "v": d=vt
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
(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 power circuits that are considered low energy?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
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
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
Choose the answer below that has the words in order to correctly fill in the blanks. "A ______ in per unit volume temperature of a conductor, offers ______ resistance to current"
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
Convert 0.125 to a fraction.
What power of soldering station is used for electronic soldering?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
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 R1?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
Of the terms below, what is "Power" measured in?
Solve for x: 45-200÷10=x
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
"The quantity of motion of a moving body, measured as a product of its mass and velocity," 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 Imperial absolute temperature scale?
"A triangle in which all three sides are equal." is a description of which mathematical term?
If heat is added to a metal, does it expand?
In the SI system, the unit of force is?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
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?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
(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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
746 Watts is equal to which of the terms below?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
From the information given in the diagram below, what is the current flowing on branch R2?
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?
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm, fuse and an interlock?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm and fuse only?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
With a reverse acting actuator, as the pressure increases:
"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?
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?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the distance from the crest of one thread to another crest measured along the length of the thread?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
An I/P transducer is a positioner.
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
The main function of a valve positioner is which of the below?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the largest diameter of the thread?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
State ⁶⁵⁄₁₄ as a mixed fraction.
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
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.
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?