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Instrumentation: FIRST PERIOD

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

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?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
The main function of a valve positioner is which of the below?
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."
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 "0.036" refer to?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
Alternating current is bi-directional.
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
The prefix "Centi" can be expressed as?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
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 "ia" equipment can withstand?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
(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?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
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?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
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.
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
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?
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?
(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?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between cable tray and metal conduit?
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?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
The standard unit of resistance is which of the below?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
The prefix "giga" can be expressed as?
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 "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a flame-proof enclosure?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
To perform a "Zero" adjustment the order of step(s) is/are?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
(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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
A true force balance negative feedback system is a motion balance system?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
(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?
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 R1?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
"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."
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?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
(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 grounding of less that 50V circuits?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
"Two angles that add to 180 degrees," is a description of which mathematical term?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
(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?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
What is the area of a semi-circle with a diameter of 2.45m?
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."
65% of 765 is equal to?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
(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?
(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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
Convert 88 PSI to kPa
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
State the number 7.428 using scientific notation and round the answers to three significant digits.
(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
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
Convert 0.125 to a fraction.
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?
The ability of a material to concentrate magnetic lines of force within a material is called?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
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 a pressure sensing diaphragm in the creation of an output signal?
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."?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
"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?
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
In a baffle-nozzle-restrictor motion detector the:
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
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?
(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, for every 10 C of charge, 40 J of energy is available, what is the voltage?