A randomized 100 question test from a pool of 1236 questions, good luck!
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
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?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
Moment balance Negative feedback system consists of:
State this fraction as a mixed fraction: ⁵⁵⁄₈.
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
"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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
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?
What is the density of water?
Which of the terms below is measured in "Joules"
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
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 it were necessary to control the process pressure upstream of the regulator, which device below would be required?
(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?
What is the area of a semi-circle with a diameter of 2.45m?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
In a baffle-nozzle-restrictor motion detector the:
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
The volume of a cube is calculated with which correct equation?
State the number 479.3 using engineering notation and round the answers to three significant digits.
"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?
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.
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the current?
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.
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
(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?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for suppliers?
The volume of a sphere is calculated with which correct equation?
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?
Materials with five or more electrons in their valence shell are considered what?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
Which of the terms below is measure in "watts"
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
What is the smallest charged particle?
(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 standard unit of resistance is which of the below?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
(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?
To alter the pressure setting of a regulator, you would adjust what?
The perimeter of a Triangle is calculated with which correct equation?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
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?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
What is the term used to describe the total opposition to current flow in an AC circuit?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
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?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
Angle motion negative feedback system consists of:
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
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?
(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?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
What is the name of the tool that is used on round stock to cut external threads?
7 coulombs of charge require how many electrons?
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
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 R2?
(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?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
The radius of a circle is calculated with which correct equation?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the final velocity of the car?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Choose the correct order of mathmatical operations.
The trigonometric ratio of sine is calculated with which mathematical equation?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for workers?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
What item would be used on a pneumatic system to speed up the pneumatic signal?
"A quantity having direction as well as magnitude," is a description of which mathematical term?