A randomized 100 question test from a pool of 1236 questions, good luck!
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
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 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.
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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(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?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
(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?
(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??
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
"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?
(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?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
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?
The circumference of a circle is calculated with which correct equation?
A _________ has the air connection usually under of the diaphragm.
Convert 0.500 to a fraction.
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
Convert 0.625 to a fraction.
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?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
In what kind of circuit would all of the applied voltage appear across an open circuit?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
In the SI system, what is the fundamental hydrostatic pressure equation
"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?
The area of a circle is calculated with which correct equation?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
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?
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?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(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 2 power circuits that are considered low energy?
"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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
The equation to calculate density is?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
From the information given in the diagram below, what is the voltage drop over R4, 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 answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
In the fraction A/B. is B the numerator?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
1 psi is equal to _____ kPa
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
The radius of a circle is calculated with which correct equation?
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 "A" in the picture below?
"An angle of 90°" is a description of which mathematical term?
What are the two main systems of negative feedback?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
"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?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
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?