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Instrumentation: FIRST PERIOD

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

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?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.02 m².
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
1 pound mass is equal to?
What are the two types of magnet?
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 several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
From the information given in the diagram below, what is the current flowing on branch R2?
The equation to calculate density is?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
What item would be used on a pneumatic system to speed up the pneumatic signal?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
Which pressure to force converter is typically used in dial indicating pressure gauges?
"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.
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for rigging in general?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
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?
The volume of a cylinder is calculated with which correct equation?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
(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"?
In the SI system, the unit used for mass is?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
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?
What are the two main systems of negative feedback?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
The volume of a cube is calculated with which correct equation?
(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?
(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?
Which valve is used for corrosive slurries?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
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?
If angle "Y" is equal to 28 degrees, solve for angle "X"
(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?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
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?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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?
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."
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
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 short circuit current?
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?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
(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?
What is the SI unit of force?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
The main function of a valve positioner is which of the below?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
(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?
The prefix "Micro" can be expressed as?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
8 coulomb of charge requires how many electrons?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
(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 tube to tube?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?