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Instrumentation: FIRST PERIOD

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

State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
What percentage of 35 is 21?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
From the information given in the diagram below, what is the current flowing on branch R2?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
(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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
Convert 16.5 psi into kPa
(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 2?
Convert ⅘ to a decimal.
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
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 short circuit current?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
The MSDS for each controlled product must be:
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
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
If heat is added to a metal, does it expand?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
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?
(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?
(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?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
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?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
Newton's second law is also known as?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
The radius of a circle is calculated with which correct equation?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
(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 maintenance of instruments in hazardous locations of instruments?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ib" equipment can withstand?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
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 "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
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?
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 average velocity of the car?
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 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
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?
What is the formula that the pneumatic relays amplification or gain is expressed by?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
If heat is removed from a metal, does it contract?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
(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?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure decrease?
(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?
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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
(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 Class 2 power circuits that are considered low energy?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
(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?
Which of the valves below would be used for isolation on each side of a control valve?
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?
(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?
If angle "Y" is equal to 28 degrees, solve for angle "X"
The perimeter of a square is calculated with which correct equation?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
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?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
(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
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
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?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
The area of a circle is calculated with which correct equation?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?