A randomized 100 question test from a pool of 1236 questions, good luck!
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."
What are the two main systems of negative feedback?
Of the valves below, which would be best for erosive service?
"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?
Covert 3 ⅘ to an improper fraction
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
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
What is the main purpose of valve positioners?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
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 voltage delivered to the field device?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction inside the magnet?
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
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?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
From the information given in the diagram below, what is the current flowing on branch R3?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
A _________ has the air connection usually under of the diaphragm.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
The perimeter of a Triangle is calculated with which correct equation?
State 7 ⁹⁄₁₇ as an improper fraction.
True force balance negative feedback system consists of:
Isolate the following equation for "v": d=vt
Solve for the hypotenuse.
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
"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?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
What does the term "Cv" represent in calculating pressure drop?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
(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?
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.
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
"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 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
1 pound force is equal to
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
The symbol for a voltage source is which of the below?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
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?
(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 tubing to piping?
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?
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?
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?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
Express 60% as a reduced fraction.
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
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?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
Convert ¹⁰⁄₁₅ to a decimal.
The trigonometric ratio of sine is calculated with which mathematical equation?
In the SI system, the unit for length is?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
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 conditions signals received or transmitted to a hazardous area
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
The area of a circle is calculated with which correct equation?
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?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
(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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
(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 maintenance of instruments in hazardous locations of instruments?
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 flame-proof enclosure?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.