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Instrumentation: FIRST PERIOD

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

(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
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?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Solve for the missing side.
Moment balance Negative feedback system consists of:
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
(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 be leak-proof at any temperature or pressure
If heat is removed from a metal, does it contract?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
(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?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
What is usually referred to when loading an ammeter?
The perimeter of a rectangle is calculated with which correct equation?
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?
"Hydrostatic" pressure is sometimes referred to as
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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."
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
"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?
Of the valves below, which would be best for erosive service?
1 psi is equal to _____ kPa
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
A multi-wheel cutter is used when
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
In the SI system, the unit for time is?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
"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?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
Express 60% as a reduced fraction.
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
convert 4 ⁴⁄₁₁ to an improper fraction.
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
convert 56.7 psi to kPa.
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
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."?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
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?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Which valve is used for corrosive slurries?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
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?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
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?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
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?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as general purpose?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
(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 circuits that are controlled remotely?
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
1 pound mass is equal to?
The symbol for a voltage drop is which of the below?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
(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 grounding circuits that are isolated?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
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
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
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?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
Solve for the hypotenuse.
Which of these pressure to force converters has two diaphragms soldered together?
State 3 ⅞ as a mixed fraction.
(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 1?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?