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Instrumentation: FIRST PERIOD

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

In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R3?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
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 subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
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."?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
What are the three areas of WHMIS?
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?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
The main function of a valve positioner is which of the below?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
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."?
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?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
Of the terms below, what is "Power" measured in?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
The symbol for a voltage drop is which of the below?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
"A two ratios that are equal in an equation." 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.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
(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?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
"An angle of 90°" is a description of which mathematical term?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"A triangle in which all three sides are equal." is a description of which mathematical term?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
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
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
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.
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
746 Watts is equal to which of the terms below?
In the SI system, the unit for time is?
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
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
60% of 54 is what?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
What type of cell is a lithium constructed battery?
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.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
To preform a "Span" adjustment the order of the step(s) is/are?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
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?
If angle "Y" is equal to 28 degrees, solve for angle "X"
Materials with one to three electrons in their valence shell are considered what?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
(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?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
1 kPa is equal to _____ psi
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
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 electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
"Hydrostatic" pressure is sometimes referred to as
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
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
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
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?