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Instrumentation: FIRST PERIOD

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

A "wheel and axle" is an example of which type of machine?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
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?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
Solve the equation:(4)(5)+4
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
Newton's third law is also known as?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
State the number 7.428 using scientific notation and round the answers to three significant digits.
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
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 many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
(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?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
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?
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?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
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 roof of the container. Of the following answers, which gas would he be testing for?
A true force balance negative feedback system is a motion balance system?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
The prefix "Mega" can be expressed as?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
60% of 54 is what?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
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?
"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?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
(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?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
(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?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
(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 cathodic protection?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
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?
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.
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
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 explosion-proof enclosure?
65% of 765 is equal to?
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
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:
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
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 final velocity of the car?
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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
convert 4 ⁴⁄₁₁ to an improper fraction.
To alter the pressure setting on a regulator what element would you adjust?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
(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 tubing to piping?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
(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?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
"Two angles that add to 180 degrees," is a description of which mathematical term?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
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 prefix "giga" can be expressed as?
Isolate the following equation for "v": d=vt
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
Convert 18.5 psi into inches W.C.
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
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?
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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
From the information given in the diagram below, what is the current flowing on branch R3?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
(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 "C"?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?