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Instrumentation: FIRST PERIOD

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

"2+(9+7)=(2+9)+7" is an example of which mathematical law?
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."?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
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"?
Matter that is composed of more than one type of atom is called?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
Newton's first law is also known as?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
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?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
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?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
"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?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
convert 56.7 psi to kPa.
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
The standard unit of resistance is which of the below?
(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 3 tubes together?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
8 coulomb of charge requires how many electrons?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
Which of the following measurements cannot be performed by a sliding caliper?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
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?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
The area of a circle is calculated with which correct equation?
(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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
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 "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
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?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
Solve the equation:(4)(5)+4
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
(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?
Convert ⅘ to a decimal.
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
What is the term used to describe the total opposition to current flow in an AC circuit?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
State 7 ⁹⁄₁₇ as an improper fraction.
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
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?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
(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 many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
Bourdon measuring elements have tubes that are classified into three broad categories. which of the tube types below would be the most sensitive to pressure changes?
The prefix "Milli" can be expressed as?
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 power of soldering station is used for electronic soldering?
The basic unit of matter is called?
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?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
Matter that is compose of only one atom is called what?
The supplier label:
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
(310104b) There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would require constant replacement?
The trigonometric ratio of tangent is calculated with which mathematical equation?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
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?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
"Two angles that add to 180 degrees," is a description of which mathematical term?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
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?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
The volume of a sphere is calculated with which correct equation?
(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"?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?