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Instrumentation: FIRST PERIOD

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

(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?
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?
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
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
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?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
In relation to hacksaws, "pitch" is referred to as?
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?
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 different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
(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 "4"?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
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 letter "C" in the picture below?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
When an atom loses an electron, it is commonly referred to as which of the below?
Convert ⁸⁄₁₉ to a decimal.
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
Matter that is compose of only one atom is called what?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
(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 "R"?
A true force balance negative feedback system is a force balance system?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
The symbol for a voltage source is which of the below?
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?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
"A triangle in which all three sides are equal." is a description of which mathematical term?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
What is the density of water?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
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.
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
What is the purpose of the PTC switch in a lithium battery?
Calculate the normal force exerted by an object that has a mass of 6732 grams
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."
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
(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 offset and one pipe connector?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
Which of the terms below is measured in "Joules"
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced it with a larger one in a simple circuit?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
convert 4 ⁴⁄₁₁ to an improper fraction.
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?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
In the SI system, the unit used for mass is?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the average velocity of the car?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
The circumference of a circle is calculated with which correct equation?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure visual indicator only?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
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?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
34.450 in engineering notion is what?
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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
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?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
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?
"5 x 7=7 x 5" is an example of which mathematical law?
The symbol for resistance is which of the below?
(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 circuits that are isolated?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
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 symbol for a amperes is which of the below?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
The prefix "Kilo" can be expressed as?
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?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?