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Instrumentation: FIRST PERIOD

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

(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
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?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
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?
Angle motion negative feedback system consists of:
Covert 6 ¹¹⁄₁₃ to an improper fraction.
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
"The results of a devices inelastic quality" is a definition of which term?
(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 relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
Newton's first law is also known as?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
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."?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
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?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
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.
State the number 789342.61 using decimal notation and round the answers to three significant digits.
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
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.
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
(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?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
State this fraction as a mixed fraction: ⁵⁵⁄₈.
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
To alter the pressure setting of a regulator, you would adjust what?
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 transmitter output signal if the fluid level is at 8.65 meters?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The radius of a circle is calculated with which correct equation?
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."
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
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?
When selecting a hammer to use, what would "weight of head" help determine?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
Ohm's law states that:
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 "SS" refer to?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
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 be connected to a flange that was one-holed?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
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?
(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?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
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?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
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.
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection 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 through the side wall of an enclosure?
(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?
What is the term used to describe the total opposition to current flow in an AC circuit?
Covert 3 ⅘ to an improper fraction
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?