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Instrumentation: FIRST PERIOD

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

What is the SI unit of pressure?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a flame-proof enclosure?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
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?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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 "SS" refer to?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
8 coulomb of charge requires how many electrons?
Newton's second law is also known as?
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
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?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
(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) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
State the number 479.3 using engineering notation and round the answers to three significant digits.
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
The volume of a cylinder is calculated with which correct equation?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
(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?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
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?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm only?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
The symbol for a amperes is which of the below?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
(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?
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 "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
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 a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
State 3 ⅞ as a mixed fraction.
(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 suppliers?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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?
(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?
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) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
What is the formula that the pneumatic relays amplification or gain is expressed by?
What is the term used to describe the total opposition to current flow in an AC circuit?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
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?
convert 56.7 psi to kPa.
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?
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
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 smallest diameter of the thread?
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?
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?
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 "ib" equipment can withstand?
1 pound mass is equal to?
(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 tubing to piping?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
The area of a circle is calculated with which correct equation?
Which valve is used for corrosive slurries?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
1 kPa is equal to _____ psi
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
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 the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
(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 standards set for employers?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
"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?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
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?
Which of the welding processes below would welding goggles be worn?