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Instrumentation: FIRST PERIOD

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

What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
The standard unit of resistance is which of the below?
A battery has a rating of 80Ah, this means it can supply
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
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?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
The trigonometric ratio of sine is calculated with which mathematical equation?
A volume booster is not a positioner.
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
The symbol for a voltage source is which of the below?
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 vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
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?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
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?
746 Watts is equal to which of the terms below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
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 R2?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
What is the main purpose of valve positioners?
The prefix "Kilo" can be expressed as?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
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?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
Alternating current is bi-directional.
The symbol for a voltage drop is which of the below?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
Which of the following is not affected by a positioner?
Angle motion negative feedback system consists of:
A _________ has the air connection usually under of the diaphragm.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
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, fuse and an interlock?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
What percentage of 35 is 21?
"pressure developed by a column of liquid" is the definition of which term
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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?
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
Convert 45.9 kPa into psi
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
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?
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?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
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?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
Convert 0.500 to a fraction.
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(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?
(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"?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
(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?
Of the terms below, what is "Work" measured in?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
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?
The ability of a material to concentrate magnetic lines of force within a material is called?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
(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 connected to a flange that was one-holed?
What are the three main elements of a regulator?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The equation to compute mechanical advantage is which one of the below?
The symbol for resistance is which of the below?
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
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 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
When an atom gains an electron, it is commonly referred to as which of the below?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
The perimeter of a rectangle is calculated with which correct equation?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?