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Instrumentation: FIRST PERIOD

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

There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Covert 3 ⅘ to an improper fraction
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."?
Alternating current is bi-directional.
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
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 R3?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
State ⁶⁵⁄₁₄ as a mixed fraction.
In what kind of circuit would all of the applied voltage appear across an open circuit?
"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?
Using the Pythagorean Theorem solves for which mathematical term?
The two main functions of a negative feedback system are:
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?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
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.
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
(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?
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?
Newton's second law is also known as?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
Convert 16.5 psi into kPa
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
Isolate for "v" in the following equation: d=vt
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
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 relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
(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 proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
(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?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
A _________ has the air connection usually above the diaphragm
(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 power circuits that are extremely low voltage?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
What is the term used to describe the total opposition to current flow in an AC circuit?
Materials with one to three electrons in their valence shell are considered what?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
Linear motion negative feedback system consists of:
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
(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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
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
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
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 cable tray and metal conduit?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
In the SI system, what is the fundamental hydrostatic pressure equation
Matter that is compose of only one atom is called what?
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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?
(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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
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 a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
The volume of a rectangle is calculated with which correct equation?
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
Solve for the hypotenuse.
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
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
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
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?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet