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Instrumentation: FIRST PERIOD

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

If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
The symbol for a voltage drop is which of the below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
(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?
8 coulomb of charge requires how many electrons?
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?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
60% of 54 is what?
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?
(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 Class 1 power circuits that are extremely low voltage?
Convert 16.5 psi into kPa
When taping a blind that does not go through the metal, the proper steps to tap it are:
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
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?
From the information given in the diagram below, what is the current flowing on branch R1?
Which of the following measurements cannot be performed by a sliding caliper?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
To alter the pressure setting of a regulator, you would adjust what?
5 coulomb of charge require how many electrons?
The prefix "Micro" can be expressed as?
Ohm's law states that:
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A multi-wheel cutter is used when
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
What are the 2 major parts of a control valve?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
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?
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.
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
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 terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "A" in the picture below?
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."?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
The perimeter of a square is calculated with which correct equation?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
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."?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
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 "⅜" refer to?
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?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
(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 installation of instruments in a hazardous location?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
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?
(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 signal circuits that are considered Class 1?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
What are all the variables that can be measured when dealing with gases?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The two main functions of a negative feedback system are:
(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?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "SS" refer to?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
(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?
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
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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
What is the formula that the pneumatic relays amplification or gain is expressed by?
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?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
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?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
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
What is the name of the tool used to cut internal threads after drilling a hole?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
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?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
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?
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?