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Instrumentation: FIRST PERIOD

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

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."?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
(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?
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?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
Convert 18.5 psi into inches W.C.
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
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?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
Convert 16.5 psi into kPa
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
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?
A true force balance negative feedback system is a motion balance system?
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?
What percentage of 35 is 21?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
(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 through the side wall of an enclosure?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
(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??
(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??
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
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?
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
(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??
Solve for x: (3)(5)+9=x
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
(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 4 tubes together?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
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?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
What are the two main systems of negative feedback?
In the fraction A/B, is A the numerator?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
(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?
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 inside the magnet?
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?
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."
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
From the information given in the diagram below, what is the current flowing on branch R1?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
Newton's second law is also known as?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced it with a larger one in a simple circuit?
State the number 7.428 using scientific notation and round the answers to three significant digits.
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the displacement of the car?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
A moment balance negative feedback system is a motion balance system?
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?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
The volume of a sphere is calculated with which correct equation?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Matter that is composed of more than one type of atom is called?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
"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?
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?
When making an angularity adjustment, what is the first adjustment made?
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?
State the number 479.3 using engineering notation and round the answers to three significant digits.
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?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
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 0-14 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
Convert ⁸⁄₁₉ to a decimal.
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
In the SI system, the unit for time is?
From the information given in the diagram below, what is the voltage across each resistor?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
Covert 6 ¹¹⁄₁₃ to an improper fraction.