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Instrumentation: FIRST PERIOD

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

What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
(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?
In what kind of circuit would all of the applied voltage appear across an open circuit?
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.
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
(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?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
When selecting a hammer to use, what would "weight of head" help determine?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
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?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
Convert ¹⁸⁄₅ to a decimal.
(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?
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
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
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 only?
When making a span adjustment, what is the first adjustment made?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
"Change (variance) In total amounts expressed as percentages." is the description of which term?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
What is the area of a semi-circle with a diameter of 2.45m?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends offset and one pipe connector?
From the information given in the diagram below, what is the current flowing on branch R3?
(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?
7 coulombs of charge require how many electrons?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the average velocity of the car?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
The perimeter of a square is calculated with which correct equation?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
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 CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
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?
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?
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
Covert 34.5 kPa to psi.
Which pressure to force converter is typically used in dial indicating pressure gauges?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
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
To preform a "Span" adjustment the order of the step(s) is/are?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
In the fraction A/B, is B the denominator?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
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?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
Convert 4 ⅞ to an improper fraction.
Which of the terms below is measured in "Joules"
(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 maintenance of instruments in hazardous locations of instruments?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
Matter that is composed of more than one type of atom is called?
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?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a flame-proof enclosure?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
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.
(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?
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?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
Which term can be defined as the pressure measured from absolute zero?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
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?
What provides the seal on the valve stem to prevent leakage of the process?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
convert 56.7 psi to kPa.
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?