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Instrumentation: FIRST PERIOD

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

"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
(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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
The prefix "Milli" can be expressed as?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
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?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
Of the answers below, which one is a disadvantage of a Pinch valve?
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?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
(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?
(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 4 tubes together?
Alternating current is bi-directional.
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
What type of flux is generally used the most in electronic soldering?
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
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?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
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 2 to non-hazardous?
Calculate the relative density for a fluid that has a density of 748 kg/m³
"A triangle in which all three sides are equal." is a description of which mathematical term?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
(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 larger OD tube to a smaller OD tube?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
What is the density of water?
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 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?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
(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 signal circuits that are considered Class 2?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
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 "i" equipment can withstand?
The volume of a sphere is calculated with which correct equation?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "SS" refer to?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
Newton's second law is also known as?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
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 a Class I, Zone 2?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
In the fraction A/b, is A the denominator?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
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?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
(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 three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
A true force balance negative feedback system is a motion balance system?
The volume of a cylinder is calculated with which correct equation?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the displacement of the car?
The standard unit of resistance is which of the below?
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 "4 mm" refer to?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
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 decrease?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
Matter that is composed of more than one type of atom is called?
Express ³²⁄₄₄ as a percent.
Of the terms below, what is "Power" measured in?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
The volume of a rectangle is calculated with which correct equation?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
To alter the pressure setting on a regulator what element would you adjust?
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?
Which valve is used for corrosive slurries?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
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?
If angle "Y" is equal to 28 degrees, solve for angle "X"
"Change (variance) In total amounts expressed as percentages." is the description of which term?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
"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?
(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?
Gauge pressure is calculated by?