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Instrumentation: FIRST PERIOD

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

(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
Convert ¹⁰⁄₁₅ to a decimal.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
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 transporting workers?
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?
Using the Pythagorean Theorem solves for which mathematical term?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
(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?
Materials with one to three electrons in their valence shell are considered what?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Isolate for "v" in the following equation: d=vt
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?
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?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
(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 "R"?
State ⁶⁵⁄₁₄ as a mixed fraction.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
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?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
Convert 0.625 to a fraction.
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
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?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to non-hazardous?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
In the SI system, the unit of force is?
The trigonometric ratio of cosine is calculated with which mathematical equation?
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?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
To alter the pressure setting on a regulator what element would you adjust?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
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?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
What is the smallest charged particle?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
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?
A "wheel and axle" is an example of which type of machine?
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?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
The volume of a sphere is calculated with which correct equation?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
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 "ia" equipment can withstand?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
The supplier label:
A true force balance negative feedback system is a motion balance system?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
What are the two types of magnet?
14.696 psia is equal to?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R1?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
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"?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
(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?
What is the basic unit of matter?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
8 coulomb of charge requires how many electrons?
Which pressure to force converter is typically used in dial indicating pressure gauges?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
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
What are the three areas of WHMIS?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
(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 workers?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
5 coulomb of charge require how many electrons?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
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
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
What are the three main elements of a regulator?
What provides the seal on the valve stem to prevent leakage of the process?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
(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 employers?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
The prefix "Micro" can be expressed as?
The volume of a rectangle 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 largest diameter of the thread?