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Instrumentation: FIRST PERIOD

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

"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
65% of 765 is equal to?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
If heat is removed from a metal, does it contract?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
"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?
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?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
(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?
(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?
State the number 7.428 using scientific notation and round the answers to three significant digits.
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?
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 transmitter output signal if the fluid level is at 8.65 meters?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
This pressure to force converter device is used in situations where space is limited?
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 pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
A true force balance negative feedback system is a force balance system?
State the number 13487000 using scientific notation and round the answers to three significant digits.
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the voltage delivered to the field device?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
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?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
Calculate the relative density for a fluid that has a density of 748 kg/m³
Faraday's law of induction states:
State the number 0.003402 using decimal notation and round the answers to three significant digits.
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
A multi-wheel cutter is used when
"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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
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?
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?
Moment balance Negative feedback system consists of:
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.
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
"pressure developed by a column of liquid" is the definition of which term
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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?
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?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
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?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
(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 in line and one pipe connector?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
(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?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
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 non-hazardous?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
Choose the correct order of mathmatical operations.
When used to cut mild steel. what is the recommended angle for a cold chisel?
8 coulomb of charge requires how many electrons?
What type of fire extinguisher can have a large tapered nozzle?
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?
(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 circuits that are controlled remotely?
(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?