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Instrumentation: FIRST PERIOD

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

A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
The volume of a cylinder is calculated with which correct equation?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
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?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the 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?
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
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.
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?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
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 largest diameter of the thread?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
(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?
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?
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?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
What are the two types of magnet?
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
(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 2?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
The volume of a cube is calculated with which correct equation?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
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?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
Calculate the relative density for a fluid that has a density of 748 kg/m³
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
The supplier label:
"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?
What is the name of the tool used to cut internal threads after drilling a hole?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
Newton's second law is also known as?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
When selecting a hammer to use, what would "weight of head" help determine?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
Alternating current is bi-directional.
Which term can be defined as the pressure measured from absolute zero?
Solve for the hypotenuse.
Factors affecting induced voltage include:
convert 4 ⁴⁄₁₁ to an improper fraction.
Convert the following quantities to the units asked for: 27000 seconds to hours.
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
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?
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?
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?
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
Convert 0.625 to a fraction.
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
The main function of a valve positioner is which of the below?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
A volume booster is not a positioner.
"pressure developed by a column of liquid" is the definition of which term
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
(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 larger OD tube to a smaller OD tube?
Materials with one to three electrons in their valence shell are considered what?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
In the fraction A/b, is A the denominator?
State 7 ⁹⁄₁₇ as an improper fraction.
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?