Advance your career with help from our practice exams

Instrumentation: FIRST PERIOD

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

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?
What are the three areas of WHMIS?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "SS" refer to?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
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?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
From the information given in the diagram below, what is the current flowing on branch R3?
(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?
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?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
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."?
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?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
(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??
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
What are all the variables that can be measured when dealing with gases?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
What is the formula that the pneumatic relays amplification or gain is expressed by?
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?
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
"Is the side across from a given angle of significance." is the description of which right angle triangle mathematical term?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
The ability of a material to concentrate magnetic lines of force within a material is called?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
What is the name of the tool that is used on round stock to cut external threads?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
The basic unit of matter is called?
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 distance from the crest of one thread to another crest measured along the length of the thread?
(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 suppliers?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
"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 moment balance negative feedback system is a motion balance system?
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(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?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to permit the apprentice to register and attend technical training?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
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?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for elevators used by the public?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
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, fuse and an interlock?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
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?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
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?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
"The results of a devices inelastic quality" is a definition of which term?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ib" equipment can withstand?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
"A two ratios that are equal in an equation." is a description of which mathematical term?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
In the fraction A/b, is A the denominator?
Solve for the hypotenuse.
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
60% of 54 is what?