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Instrumentation: FIRST PERIOD

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

The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
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) The Canadian Electrical code (CEC) encompasses all standards for electrical/instrumentation work. Which of the sections of that code below would relate best to conductor type and use?
Solve for the hypotenuse.
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
The prefix "giga" can be expressed as?
If a pressure change of 20 kPa to 60 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 0.09 m^2
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
In a baffle-nozzle-restrictor motion detector the:
The volume of a cube is calculated with which correct equation?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
"The results of a devices inelastic quality" is a definition of which term?
This pressure to force converter device is used in situations where space is limited?
A moment balance negative feedback system is a motion balance system?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
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?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
(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?
(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 numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
The standard unit of conductance is which of the below?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
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?
65% of 765 is equal to?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
The volume of a cylinder is calculated with which correct equation?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
"A two ratios that are equal in an equation." is a description of which mathematical term?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
(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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
Which of the terms below is measured in "Joules"
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
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?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
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?
Which of the following is not affected by a positioner?
Convert 0.500 to a fraction.
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
(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?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
Ohm's law states that:
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
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 increase in resistive load?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
(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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
The perimeter of a square is calculated with which correct equation?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standards set for employers?
If heat is removed from a metal, does it contract?
(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 instruments in a hazardous location?
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?
"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 several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
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 increase?
(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??
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA