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Instrumentation: FIRST PERIOD

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

"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
Which valve is used for corrosive slurries?
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?
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."
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
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?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
Materials with four electrons in their valence shell are considered what?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
"pressure developed by a column of liquid" is the definition of which term
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
(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 employers?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure visual indicator only?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
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
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
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?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 2 to non-hazardous?
From the information given in the diagram below, what is the current flowing on branch R1?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
To perform an "Angularity" adjustment, the order of step(s) is/are?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
Faraday's law of induction states:
"Change (variance) In total amounts expressed as percentages." is the description of which term?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
What is the term used to describe the total opposition to current flow in an AC circuit?
When selecting a hammer to use, what would "weight of head" help determine?
(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?
"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?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
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?
(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?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
The volume of a sphere is calculated with which correct equation?
A _________ has the air connection usually under of the diaphragm.
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
Worker education is the responsibility of the:
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
What type of flux is generally used the most in electronic soldering?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
To perform a "Zero" adjustment the order of step(s) is/are?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
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."?
(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?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
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?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
A multi-wheel cutter is used when
The volume of a sphere is calculated with which correct equation?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
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?
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."?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
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?
The prefix "Centi" can be expressed as?
1 mechanical, or imperial, horsepower is equal to which of the below?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
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?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
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?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
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?
Which pilot valve has two common supply connections, and two connections for output?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
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?
Which of the terms below is measured in "Joules"
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
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
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
From the information given in the diagram below, what is the current flowing on branch R3?
Convert 16.5 psi into kPa
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
One coulomb is equal to how many electrons?
"A two ratios that are equal in an equation." is a description of which mathematical term?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
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?