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Instrumentation: FIRST PERIOD

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

There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
The volume of a cylinder is calculated with which correct equation?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
The symbol for a voltage source is which of the below?
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
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?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
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?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
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?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
What is the term used to describe the total opposition to current flow in an AC circuit?
What are all the variables that can be measured when dealing with gases?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would 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 the installation of an electrical communication system?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
Convert ⁸⁄₁₉ to a decimal.
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
(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?
From the information given in the diagram below, what is the current flowing on branch R2?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
If heat is added to a metal, does it expand?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
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."
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
Of the terms below, what is "Work" measured in?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Which term can be defined as the pressure measured from absolute zero?
This pressure to force converter device is used in situations where space is limited?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
Convert 0.875 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?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a resistor with a larger one in a simple circuit?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between metal conduit and cable tray?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
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?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Worker education is the responsibility of the:
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
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
Express ³²⁄₄₄ as a percent.
With respect to pressure drop, which control; valve has "high" recovery characteristics?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
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?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
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?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
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?
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?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Express 60% as a reduced fraction.
Gauge pressure is calculated by?
The circumference of a circle is calculated with which correct equation?
In the SI system, the unit of force is?
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 "0.036" refer to?
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.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
The prefix "Mega" can be expressed as?
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?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
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?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
Solve the equation:(4)(5)+4