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Instrumentation: FIRST PERIOD

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

there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
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?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
Determine x if 5:16=x:128.
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" 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 signal circuits that are considered Class 1?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(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 power circuits that are extremely low voltage?
14.696 psia is equal to?
Lenz Law states:
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
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 smallest diameter of the thread?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
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, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
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?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an decrease in resistive load?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
The radius of a circle is calculated with which correct equation?
"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?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
1 psi is equal to _____ kPa
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."
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
Ohm's law states that:
If, for every 20 C of charge, 60 J of energy is available, what is the voltage?
What does the term "Cv" represent in calculating pressure drop?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
What type of fire extinguisher can have a large tapered nozzle?
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
The trigonometric ratio of sine is calculated with which mathematical equation?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 1000 hours a year?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
(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?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
Materials with four electrons in their valence shell are considered what?
"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?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
The volume of a cylinder is calculated with which correct equation?
Convert 0.875 to a fraction.
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
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?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
Solve for x: 45-200÷10=x
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
Convert the following quantities to the units asked for: 4572 cm to yards.
What type of flux is generally used the most in electronic soldering?
What are all the variables that can be measured when dealing with gases?
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?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
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."?
Which of the following measurements cannot be performed by a sliding caliper?
The standard unit of resistance is which of the below?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
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 "⅜" refer to?
The prefix "Milli" can be expressed as?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
convert 4 ⁴⁄₁₁ to an improper 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 a thread with a 16 TPI?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R2?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
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?
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 "C" in the picture below?