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Instrumentation: FIRST PERIOD

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

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?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
A _________ has the air connection usually above the diaphragm
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
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?
(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
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
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 voltage delivered to the field device?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
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?
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?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
"pressure developed by a column of liquid" is the definition of which term
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
(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?
Convert 0.500 to a fraction.
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
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"?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
The MSDS for each controlled product must be:
The symbol for a voltage drop is which of the below?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
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?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
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?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
(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 cathodic protection?
Hysteresis can only be calculated.
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
7 coulombs of charge require how many electrons?
(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?
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 the SI system, the unit for time is?
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 2 to non-hazardous?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between cable tray and metal conduit?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
The ratio 3.4:2.5 equal to?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
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 maximum of 1.2 volts it can develop or contain?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to permit the apprentice to register and attend technical training?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
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
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
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
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
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?
What are the three main elements of a regulator?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
The trigonometric ratio of cosine is calculated with which mathematical equation?
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 several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between metal conduit and cable tray?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "4 mm" refer to?