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Instrumentation: FIRST PERIOD

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

State the number 479.3 using engineering notation and round the answers to three significant digits.
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?
(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?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
A "wheel and axle" is an example of which type of machine?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
(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?
From the information given in the diagram below, what is the current flowing on branch R3?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
To alter the pressure setting of a regulator, you would adjust what?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
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?
Which pilot valve has two common supply connections, and two connections for output?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
(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 tubing around a tight corner?
Choose the correct order of mathmatical operations.
(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?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
"A way of concisely showing the relationship between two quantities." 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 "A" represent?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
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."?
(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 workers?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
Covert 34.5 kPa to psi.
Lenz Law states:
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
Solve for the hypotenuse.
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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"
(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?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
(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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
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 method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
To perform a "Zero" adjustment the order of step(s) is/are?
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."?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
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
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Convert 0.125 to a fraction.
Gauge pressure is calculated by?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
The point when increasing current will not increases magnetism in an electromagnet is call?
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?
State the number 7.428 using scientific notation and round the answers to three significant digits.
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?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
Express ³²⁄₄₄ as a percent.
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
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 1000 hours a year?
From the information given in the diagram below, what is the current flowing on branch R1?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
1 pound force is equal to
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
The circumference of a circle is calculated with which correct equation?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.