A randomized 100 question test from a pool of 1236 questions, good luck!
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
When used to cut mild steel. what is the recommended angle for a cold chisel?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
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?
Worker education is the responsibility of the:
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
Materials with four electrons in their valence shell are considered what?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
Isolate for "v" in the following equation: d=vt
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
(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?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
(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?
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?
The supplier label:
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 elevators used by the public?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
If angle "Y" is equal to 28 degrees, solve for angle "X"
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
How many electrons does 134.5 x 10¹⁹ represent?
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?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
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 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?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
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"?
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
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
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?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
What is the density of water?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
What is the name of the tool used to cut internal threads after drilling a hole?
"Hydrostatic" pressure is sometimes referred to as
The symbol for a voltage source is which of the below?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
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?
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?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
A "wheel and axle" is an example of which type of machine?
(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??
A moment balance negative feedback system is a motion balance system?
What is the formula that the pneumatic relays amplification or gain is expressed by?
Which of the following measurements cannot be performed by a sliding caliper?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
(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 power circuits that are extremely low voltage?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
(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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Isolate the following equation for "v": d=vt
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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
Convert ¹⁰⁄₁₅ to a decimal.
Solve for the missing side.
The area of a circle is calculated with which correct equation?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
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?
(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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
(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?