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Instrumentation: FIRST PERIOD

A randomized 100 question test from a pool of 1236 questions, good luck!

In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
"5 x 7=7 x 5" is an example of which mathematical law?
(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?
The ratio 3.4:2.5 equal to?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
Which of the following is not affected by a positioner?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
convert 56.7 psi to kPa.
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
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?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
"Two angles that add to 180 degrees," is a description of which mathematical term?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
What is the purpose of the PTC switch in a lithium battery?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
Isolate the following equation for "v": d=vt
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
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.
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
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?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
(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 installation of cathodic protection?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
What item would be used on a pneumatic system to speed up the pneumatic signal?
If heat is removed from a metal, does it contract?
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?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
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 increase in resistive load?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for government agencies?
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 volume of a cylinder is calculated with which correct equation?
Which of the following measurements cannot be performed by a sliding caliper?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
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?
1 mechanical, or imperial, horsepower is equal to which of the below?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Convert ⅘ to a decimal.
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
A multi-wheel cutter is used when
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
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?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
"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?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
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
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?
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?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
A _________ has the air connection usually above the diaphragm
"A quantity having direction as well as magnitude," is a description of which mathematical term?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
What is the SI unit of pressure?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
(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 installation of instruments in a hazardous location?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
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?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
The circumference of a circle is calculated with which correct equation?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "C"?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
The volume of a rectangle is calculated with which correct equation?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
(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?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
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?
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 at the open end of a process pipe?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
The trigonometric ratio of tangent is calculated with which mathematical equation?