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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 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
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."
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?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
In the fraction A/B, is B the denominator?
The volume of a cylinder is calculated with which correct equation?
(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??
State ⁶⁵⁄₁₄ as a mixed fraction.
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an decrease in resistive load?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
Isolate for "v" in the following equation: d=vt
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
Solve for the missing side.
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.
A "wheel and axle" is an example of which type of machine?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
Lenz Law states:
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
Convert the following quantities to the units asked for: 27000 seconds to hours.
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?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
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
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
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?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
Moment balance Negative feedback system consists of:
(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?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
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?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
From the information given in the diagram below, what is the current flowing on branch R3?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
The volume of a sphere is calculated with which correct equation?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
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?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
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?
What provides the seal on the valve stem to prevent leakage of the process?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
(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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
The prefix "Centi" can be expressed as?
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
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.
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
The ratio 3.4:2.5 equal to?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
A true force balance negative feedback system is a force balance system?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the 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, prior to any work, the administrative procedures to be in place?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
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).
(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?
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."?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
The desiccant head adsorbes water vapour due to which?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
Solve for the missing angle.
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
Convert 0.500 to a fraction.
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?
Newton's first law is also known as?
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?
(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?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
Alternating current is bi-directional.