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Instrumentation: FIRST PERIOD

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

Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
(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"?
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
Isolate for "v" in the following equation: d=vt
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
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?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
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?
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 floor of the container. Of the following answers, which gas would he be testing for?
Of the terms below, what is "Work" measured in?
How many electrons does 134.5 x 10¹⁹ represent?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
What are the two main systems of negative feedback?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
Of the terms below, what is "Power" measured in?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
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?
Express 60% as a reduced fraction.
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
"A two ratios that are equal in an equation." is a description of which mathematical term?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
"A triangle in which all three sides are equal." is a description of which mathematical term?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as general purpose?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
The symbol for resistance is which of the below?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
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?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
To preform a "Span" adjustment the order of the step(s) is/are?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
Convert ¹⁸⁄₅ to a decimal.
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
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?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
This pressure to force converter device is used in situations where space is limited?
(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?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
Calculating absolute pressure is achieved by?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
Which pressure to force converter is typically used in dial indicating pressure gauges?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure decrease?
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?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
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?
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?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
State the number 13487000 using scientific notation and round the answers to three significant digits.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
The area of a circle is calculated with which correct equation?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
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?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
True force balance negative feedback system consists of:
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
State 3 ⅞ as a mixed fraction.
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for suppliers?
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 electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
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?
The MSDS for each controlled product must be:
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
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?
(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?