A randomized 100 question test from a pool of 1236 questions, good luck!
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 only?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
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 outside the magnet?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
The outermost shell of an atom is called the valence shell.
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
What are the two types of magnet?
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 letter "C" in the picture below?
When an atom gains an electron, it is commonly referred to as which of the below?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
Calculate the relative density for a fluid that has a density of 748 kg/m³
"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?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
Express ³²⁄₄₄ as a percent.
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
(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 1 circuits that are controlled remotely?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
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
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
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 terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
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?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"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?
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
(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, prior to any work, the administrative procedures to be in place?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
A _________ has the air connection usually above the diaphragm
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
Isolate the following equation for "v": d=vt
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
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?
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?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
What type of fire extinguisher can have a large tapered nozzle?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
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?
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?
Linear motion negative feedback system consists of:
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
Convert 0.875 to a fraction.
Newton's second law is also known as?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
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?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
"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?
What is the smallest charged particle?
14.696 psia is equal to?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "0.036" refer to?
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?
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?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
(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?
Faraday's law of induction states:
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?
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?
7 coulombs of charge require how many electrons?