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Instrumentation: FIRST PERIOD

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

The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
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?
Angle motion negative feedback system consists of:
Solve the equation:(4)(5)+4
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
In the SI system, the unit of force is?
State the number 479.3 using engineering notation and round the answers to three significant digits.
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
(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?
Materials with one to three electrons in their valence shell are considered what?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
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 "ib" equipment can withstand?
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 R2?
The trigonometric ratio of tangent is calculated with which mathematical equation?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
Covert 3 ⅘ to an improper fraction
Moment balance Negative feedback system consists of:
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
8 coulomb of charge requires how many electrons?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
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.
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
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?
(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?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
(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"?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
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?
A multi-wheel cutter is used when
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
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 leak-proof at any temperature or pressure
In the fraction A/B, is B the denominator?
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
In the fraction A/B. is B the numerator?
State ⁶⁵⁄₁₄ as a mixed fraction.
From the information given in the diagram below, what is the current flowing on branch R2?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
(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?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
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.
Which of the following is not affected by a positioner?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
When selecting a hammer to use, what would "weight of head" help determine?
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 smallest diameter of the thread?
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
(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 2?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
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?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
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?
What is the basic unit of matter?
14.696 psia is equal to?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
In relation to hacksaws, "pitch" is referred to as?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
From the information given in the diagram below, what is the current flowing on branch R3?
What is usually referred to when loading an ammeter?
(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 grounding circuits that are isolated?
(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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
The volume of a cylinder is calculated with which correct equation?
Which valve is used for corrosive slurries?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
(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?
convert 4 ⁴⁄₁₁ to an improper fraction.
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 non-hazardous?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
The symbol for a voltage drop is which of the below?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Faraday's law of induction states:
(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
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?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi