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Instrumentation: FIRST PERIOD

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

Worker education is the responsibility of the:
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
From the information given in the diagram below, what is the current flowing on branch R1?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
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 trigonometric ratio of sine is calculated with which mathematical equation?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
Which of these pressure to force converters has two diaphragms soldered together?
Convert 18.5 psi into inches W.C.
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
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 audible alarm and fuse only?
Solve for the hypotenuse.
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.
What is the SI unit of pressure?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier at the open end of a process pipe?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
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?
(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?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
What is the density of water?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
What power of soldering station is used for electronic soldering?
Covert 3 ⅘ to an improper fraction
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?
(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?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
To alter the pressure setting on a regulator what element would you adjust?
When selecting a hammer to use, what would "weight of head" help determine?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
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 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 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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
The main function of a valve positioner is which of the below?
To perform an "Angularity" adjustment, the order of step(s) is/are?
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.
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a it with a smaller one in a simple circuit?
A true force balance negative feedback system is a force balance system?
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."
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
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?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
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?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
In relation to hacksaws, "pitch" is referred to as?
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?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be connected to a flange that was one-holed?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
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?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
The volume of a cube is calculated with which correct equation?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
1 kPa is equal to _____ psi
The point when increasing current will not increases magnetism in an electromagnet is call?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
Gauge pressure is calculated by?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
In what kind of circuit would all of the applied voltage appear across an open circuit?
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."
The perimeter of a Triangle is calculated with which correct equation?
(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 grounding of transformer circuits for instruments?
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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?