A randomized 100 question test from a pool of 1236 questions, good luck!
State this fraction as a mixed fraction: ⁵⁵⁄₈.
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
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
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
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?
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?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
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 blocks any excess voltage from gaining access to a hazardous area?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
Newton's first law is also known as?
Materials with five or more electrons in their valence shell are considered what?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
What is the name of the tool used to cut internal threads after drilling a hole?
The volume of a cube is calculated with which correct equation?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
"Hydrostatic" pressure is sometimes referred to as
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
(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 grounding circuits that are isolated?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
(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??
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
What are the three main elements of a regulator?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Covert 34.5 kPa to psi.
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 two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
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?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
Matter that is composed of more than one type of atom is called?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
(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 through the side wall of an enclosure?
"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?
The best description for "Span error" in relation to calibrating instruments is which of the following?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" 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 "B"?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
True force balance negative feedback system consists of:
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
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?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
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?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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 smallest diameter of the thread?
"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?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
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 prefix "Centi" can be expressed as?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
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
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
This pressure to force converter device is used in situations where space is limited?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
Solve for the hypotenuse.
Materials with four electrons in their valence shell are considered what?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA