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!

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.
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
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?
Materials with one to three electrons in their valence shell are considered what?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
Convert ¹⁸⁄₅ to a decimal.
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?
1 kPa is equal to _____ psi
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a resistor with a larger one in a simple circuit?
One coulomb is equal to how many electrons?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
How many electrons does 134.5 x 10¹⁹ represent?
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
If a pressure change of 20 kPa to 100 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 0.02 m².
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
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?
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?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
(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 installation of an electrical communication system?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
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 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?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
The trigonometric ratio of tangent is calculated with which mathematical equation?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
The radius of a circle is calculated with which correct equation?
Newton's first law is also known as?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
The ratio 3.4:2.5 equal to?
Solve for the hypotenuse.
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?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
The circumference of a circle is calculated with which correct equation?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(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
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
In the SI system, the unit used for mass is?
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?
"A two ratios that are equal in an equation." is a description of which mathematical term?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
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?
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
What power of soldering station is used for electronic soldering?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
The outermost shell of an atom is called the valence shell.
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
(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 circuits that are controlled remotely?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
Solve for the hypotenuse.
The volume of a cylinder is calculated with which correct equation?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
34.450 in engineering notion is what?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
(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?
Of the terms below, what is "Work" measured in?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
Express 60% as a reduced fraction.
(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"?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
What are the three main elements of a regulator?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
State the number 13487000 using scientific notation and round the answers to three significant digits.
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
What is the formula that the pneumatic relays amplification or gain is expressed by?
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?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standards set for employers?
(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?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a maximum of 1.2 volts it can develop or contain?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?