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Instrumentation: FIRST PERIOD

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

Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
Isolate the following equation for "v": d=vt
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
1 psi is equal to _____ kPa
Convert 88 PSI to kPa
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
When used to cut mild steel. what is the recommended angle for a cold chisel?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
Convert 0.625 to a fraction.
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
The symbol for a voltage source is which of the below?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
The prefix "Milli" can be expressed as?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
When an atom loses an electron, it is commonly referred to as which of the below?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
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 roof of the container. Of the following answers, which gas would he be testing for?
The prefix "Mega" can be expressed as?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
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 increase?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
"An angle of 90°" is a description of which mathematical term?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
(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 maintenance of instruments in hazardous locations of instruments?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "a localized electric current induced in a conductor by a varying magnetic field."?
Which valve is used for corrosive slurries?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
What are the three main elements of a regulator?
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
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?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
101.325 kPa is equal to?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
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?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
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.
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the displacement of the car?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Materials with four electrons in their valence shell are considered what?
A "wheel and axle" is an example of which type of machine?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The ability of a material to concentrate magnetic lines of force within a material is called?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
Materials with five or more electrons in their valence shell are considered what?
From the information given in the diagram below, what is the current flowing on branch R3?
When making an angularity adjustment, what is the first adjustment made?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
If heat is removed from a metal, does it contract?
(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 many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
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?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
The volume of a cylinder is calculated with which correct equation?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
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 "A" in the picture below?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
What are the two main systems of negative feedback?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
(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 leak-proof at any temperature or pressure
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
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?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
State 3 ⅞ as a mixed fraction.