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Instrumentation: FIRST PERIOD

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

(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
Solve for the missing side.
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
What is the area of a semi-circle with a diameter of 2.45m?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
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?
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?
(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 connected to a flange that was one-holed?
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?
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?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
State the number 7.428 using scientific 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?
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?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
The volume of a cube is calculated with which correct equation?
If a pressure change of 20 kPa to 60 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 0.09 m^2
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
Covert 34.5 kPa to psi.
(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 signal circuits that are considered Class 1?
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
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?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
convert 56.7 psi to kPa.
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
"Hydrostatic" pressure is sometimes referred to as
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
Determine x if 5:16=x:128.
The perimeter of a Triangle is calculated with which correct equation?
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
Which type of valve is pictured below?
(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?
What are the two main systems of negative feedback?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
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."
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
(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?
(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 tubing to piping?
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?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
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.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
If a tool increases from $43 to $76, what is the percentage increase?
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?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
(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?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
(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??
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."?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(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?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
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?
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?
Which type of valve is pictured below?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
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?
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 "⅜" refer to?
In the SI system, the unit for time is?
What provides the seal on the valve stem to prevent leakage of the process?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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 mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?