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Instrumentation: FIRST PERIOD

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

Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
The area of a circle is calculated with which correct equation?
A moment balance negative feedback system is a motion balance system?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
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?
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 "0.036" refer to?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
(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 conductor type and use?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
Solve for the hypotenuse.
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The prefix "Milli" can be expressed as?
(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??
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?
Which term can be defined as the pressure measured from absolute zero?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
1 pound force is equal to
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
Moment balance Negative feedback system consists of:
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
Solve for the missing side.
Which valve is used for corrosive slurries?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
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 general purpose?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
The MSDS for each controlled product must be:
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
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?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
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?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
To alter the pressure setting on a regulator what element would you adjust?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
Of the valves below, which would be best for erosive service?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
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?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
What is the area of a semi-circle with a diameter of 2.45m?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
To alter the pressure setting of a regulator, you would adjust what?
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."?
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
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?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
What percentage of 35 is 21?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
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 outside the magnet?
Isolate for"h" in the following equation y=(h-t)/r
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
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?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
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
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?