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Instrumentation: FIRST PERIOD

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

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."
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
Of the adjustments below, which is the most common adjustment made?
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?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
Calculating absolute pressure is achieved by?
(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?
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 different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
(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?
When an atom loses an electron, it is commonly referred to as which of the below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
In a baffle-nozzle-restrictor motion detector the:
(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
When an atom gains an electron, it is commonly referred to as which of the below?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
"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?
The area of a circle is calculated with which correct equation?
(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?
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction inside the magnet?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
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?
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?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
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?
What are the three main elements of a regulator?
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?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
Newton's second law is also known as?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
14.696 psia is equal to?
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 increase?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
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?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
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 metal conduit and cable tray?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
"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."
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
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.
Worker education is the responsibility of the:
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
Calculate the normal force exerted by an object that has a mass of 6732 grams
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
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?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
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?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
(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?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
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.
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
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?
What are the two main systems of negative feedback?
What is the area of a semi-circle with a diameter of 2.45m?
Isolate for "v" in the following equation: d=vt
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
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?
What is the term used to describe the total opposition to current flow in an AC circuit?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
To alter the pressure setting of a regulator, you would adjust what?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
Angle motion negative feedback system consists of:
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
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?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
"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?