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Instrumentation: FIRST PERIOD

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

Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
Isolate for "v" in the following equation: d=vt
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
"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?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
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 as having a blind and a spacer together in one assembly?
The perimeter of a Triangle is calculated with which correct equation?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
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 "ia" equipment can withstand?
One coulomb is equal to how many electrons?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
The area of a circle is calculated with which correct equation?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
Choose the correct order of mathmatical operations.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
What does the term "Cv" represent in calculating pressure drop?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
(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??
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the largest diameter of the thread?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
A battery has a rating of 80Ah, this means it can supply
(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 4 tubes together?
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?
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?
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?
From the information given in the diagram below, what is the current flowing on branch R2?
(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 it with a larger one in a simple circuit?
(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 Class 1 circuits that are controlled remotely?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
What is the basic unit of matter?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
Worker education is the responsibility of the:
(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?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
"An angle of 90°" is a description of which mathematical term?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
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 relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
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?
"Hydrostatic" pressure is sometimes referred to as
The equation to calculate density is?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
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?
Linear motion negative feedback system consists of:
If a closed tank is pressurized to 10 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 0.78 is contained in the tank
Convert ¹⁰⁄₁₅ to a decimal.
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
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.
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
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 volume of a sphere is calculated with which correct equation?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
The basic unit of matter is called?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
Covert 3 ⅘ to an improper fraction
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
The circumference of a circle is calculated with which correct equation?
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?
Gauge pressure is?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
The volume of a cylinder is calculated with which correct equation?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
"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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
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
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?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
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?