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Instrumentation: FIRST PERIOD

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

The outermost shell of an atom is called the valence shell.
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
What provides the seal on the valve stem to prevent leakage of the process?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.02 m².
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
If heat is removed from a metal, does it contract?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
(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?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
The ratio 3.4:2.5 equal to?
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?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
The trigonometric ratio of tangent is calculated with which mathematical equation?
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
(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??
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
The volume of a cube is calculated with which correct equation?
What are the 2 major parts of a control valve?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
(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?
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?
(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?
(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.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
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?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
"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?
Convert 18.5 psi into inches W.C.
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
Of the terms below, what is "Power" measured in?
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.
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
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.
(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 of transformer circuits for instruments?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
Which pilot valve has two common supply connections, and two connections for output?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
When selecting a hammer to use, what would "weight of head" help determine?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
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?
Factors affecting induced voltage include:
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
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?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
State ⁶⁵⁄₁₄ as a mixed fraction.
To perform an "Angularity" adjustment, the order of step(s) is/are?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
(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??
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
Matter that is compose of only one atom is called what?
To perform a "Zero" adjustment the order of step(s) is/are?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
The desiccant head adsorbes water vapour due to which?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
(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 2 circuits that are controlled remotely?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
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?
The perimeter of a rectangle is calculated with which correct equation?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
The point when increasing current will not increases magnetism in an electromagnet is call?
(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?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "⅜" refer to?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
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
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?