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Instrumentation: FIRST PERIOD

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

If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
"A quantity having direction as well as magnitude," is a description of which mathematical term?
Convert 0.625 to a fraction.
What is the SI unit of force?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
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?
"An angle that measures less than ninety degrees but more than zero degrees" 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 where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
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?
(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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for suppliers?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
(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?
Which pressure to force converter is typically used in dial indicating pressure gauges?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
(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?
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
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"
(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??
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
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."
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
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?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
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 largest diameter of the thread?
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
Of the terms below, what is "Work" measured in?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
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.
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
A _________ has the air connection usually above the diaphragm
The area of a circle is calculated with which correct equation?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
Solve the equation:(4)(5)+4
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
The circumference of a circle is calculated with which correct equation?
Which type of pilot valve has one supply connection and two output connections?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
(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"?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
Matter that is compose of only one atom is called what?
8 coulomb of charge requires how many electrons?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
Of the answers below, which one is a disadvantage of a Pinch valve?
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?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
Isolate for"h" in the following equation y=(h-t)/r
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
(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?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
What type of flux is generally used the most in electronic soldering?