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Instrumentation: FIRST PERIOD

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

There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
1 pound mass is equal to?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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."?
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??
The point when increasing current will not increases magnetism in an electromagnet is call?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
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?
Solve for x: 45-200÷10=x
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
The prefix "Mega" can be expressed as?
A multi-wheel cutter is used when
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
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.
(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"?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "SS" refer to?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
Covert 6 ¹¹⁄₁₃ to an improper fraction.
Convert ¹⁸⁄₅ to a decimal.
In the SI system, the unit used for mass is?
If heat is removed from a metal, does it contract?
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?
This pressure to force converter device is used in situations where space is limited?
(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 of transformer circuits for instruments?
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?
Convert 16.5 psi into kPa
(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?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
(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?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.02 m².
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."?
Which of the welding processes below would welding goggles be worn?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
(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?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
(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?
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?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
1 psi is equal to _____ kPa
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
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?
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 audible alarm and fuse only?
(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?
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 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?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
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.
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
When an atom gains an electron, it is commonly referred to as which of the below?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
"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?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
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?
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "0.036" refer to?
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?
In what kind of circuit would all of the applied voltage appear across an open circuit?
What is the name of the tool that is used on round stock to cut external threads?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
Materials with four electrons in their valence shell are considered what?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
A true force balance negative feedback system is a force balance system?
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?
Matter that is composed of more than one type of atom is called?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?