A randomized 100 question test from a pool of 1236 questions, good luck!
The volume of a rectangle is calculated with which correct equation?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
Solve for x: 45-200÷10=x
The equation to compute mechanical advantage is which one of the below?
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?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
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 decrease in resistive load?
"The results of a devices inelastic quality" is a definition of which term?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
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"?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
Convert ¹⁸⁄₅ to a decimal.
Alternating current is bi-directional.
Gauge pressure is?
(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?
convert 4 ⁴⁄₁₁ to an improper fraction.
A "wheel and axle" is an example of which type of machine?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
How is the term "Cv" calculated?
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
101.325 kPa is equal to?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
How many electrons does 134.5 x 10¹⁹ represent?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
1 pound mass is equal to?
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
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
(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 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
"A triangle in which all three sides are equal." is a description of which mathematical term?
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?
Which are the two major categories of pressure regulators?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for transporting workers?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
Matter that is compose of only one atom is called what?
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?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
The symbol for a amperes is which of the below?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
Convert 45.9 kPa into psi
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
Convert 88 PSI to kPa
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
The area of a circle is calculated with which correct equation?
(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?
(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?
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?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
State ⁶⁵⁄₁₄ as a mixed fraction.
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 short circuit current?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
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?
From the information given in the diagram below, what is the voltage across each resistor?
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?
(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?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
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?
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 the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
"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?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
"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?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
(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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?