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Instrumentation: FIRST PERIOD

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

Which type of pilot valve has one supply connection and two output connections?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
Linear motion negative feedback system consists of:
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
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?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
The area of a circle is calculated with which correct equation?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
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?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
(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?
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
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 R3?
Which of the welding processes below would welding goggles be worn?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
(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?
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.
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
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?
Express ³²⁄₄₄ as a percent.
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
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."
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
Of the terms below, what is "Work" measured in?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
(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?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
Materials with one to three electrons in their valence shell are considered what?
Matter that is composed of more than one type of atom is called?
(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?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
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?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
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 time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
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 elevators used by the public?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
(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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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?
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?
To alter the pressure setting of a regulator, you would adjust what?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Convert 18.5 psi into inches W.C.
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
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?
The volume of a rectangle is calculated with which correct equation?
The radius of a circle is calculated with which correct equation?
Hysteresis can only be calculated.
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
In the SI system, what is the fundamental hydrostatic pressure equation
Convert ⁸⁄₁₉ to a decimal.
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
Which are the two major categories of pressure regulators?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
(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 be leak-proof at any temperature or pressure
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?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
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?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ia" equipment can withstand?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
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 short circuit current?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?