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Instrumentation: FIRST PERIOD

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

The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
The symbol for a voltage source is which of the below?
(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?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
(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 tube to tube?
How many electrons does 134.5 x 10¹⁹ represent?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
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 smallest diameter of the thread?
The volume of a sphere is calculated with which correct equation?
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?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
"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?
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
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?
State the number 7.428 using scientific notation and round the answers to three significant digits.
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
The main function of a valve positioner is which of the below?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
The symbol for a voltage drop is which of the below?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
"Hydrostatic" pressure is sometimes referred to as
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
Using the Pythagorean Theorem solves for which mathematical term?
Express ³²⁄₄₄ as a percent.
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
What is the name of the tool that is used on round stock to cut external threads?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
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
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
The symbol for a amperes is which of the below?
With a direct acting actuator, as air pressure increases:
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
(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??
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
"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?
14.696 psia is equal to?
(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?
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?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
The two main functions of a negative feedback system are:
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the 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 compressed medical air system?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
(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?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for rigging in general?
Newton's second law is also known as?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
With a reverse acting actuator, as the pressure increases:
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
What is the area of a semi-circle with a diameter of 2.45m?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
An I/P transducer is a positioner.
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B