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Instrumentation: FIRST PERIOD

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

There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
A battery has a rating of 80Ah, this means it can supply
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
1 mechanical, or imperial, horsepower is equal to which of the below?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
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?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
(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?
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
How is the term "Cv" calculated?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
State 3 ⅞ as a mixed fraction.
The prefix "giga" can be expressed as?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
"A two ratios that are equal in an equation." is a description of which mathematical term?
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
Materials with five or more electrons in their valence shell are considered what?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
(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?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
1 pound mass is equal to?
The perimeter of a Triangle 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 have two tube ends offset and one pipe connector?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that blocks any excess voltage from gaining access to a hazardous area?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
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?
What is the purpose of the PTC switch in a lithium battery?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
"pressure developed by a column of liquid" is the definition of which term
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In the SI system, what is the fundamental hydrostatic pressure equation
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
The prefix "Kilo" can be expressed as?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
(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??
(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?
(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?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
In the SI system, the unit for length is?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
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?
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
The circumference of a circle is calculated with which correct equation?
Of the valves below, which would be best for erosive service?
In the fraction A/b, is A the denominator?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
A moment balance negative feedback system is a force balance system?
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?
A _________ has the air connection usually above the diaphragm
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
Materials with one to three electrons in their valence shell are considered what?
There are several different types of layout tools used in industry. Which of the tools below best represents 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 1 to a Class I, Zone 2?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
(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?
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
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."?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
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?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
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?
"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?
To perform an "Angularity" adjustment, the order of step(s) is/are?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
Convert 0.875 to a fraction.
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
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 minimum of 1.3 volts it can develop or contain?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
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?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
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?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?