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.
Of the valves below, which would be best for erosive service?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Choose the correct order of mathmatical operations.
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
State the number 13487000 using scientific notation and round the answers to three significant digits.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
Solve for the missing angle.
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 "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
The symbol for resistance is which of the below?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
(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?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
"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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
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?
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
State ⁶⁵⁄₁₄ as a mixed fraction.
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?
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?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
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.
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"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?
(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?
Which of these pressure to force converters has two diaphragms soldered together?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
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?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
The volume of a sphere is calculated with which correct equation?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
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?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
(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 through the side wall of an enclosure?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
The ratio 3.4:2.5 equal to?
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
The volume of a sphere is calculated with which correct equation?
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?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
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?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
(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 4 tubes together?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
The volume of a cylinder is calculated with which correct equation?
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?
Convert 16.5 psi into kPa
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
From the information given in the diagram below, what is the current flowing on branch R2?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
To perform a "Zero" adjustment the order of step(s) is/are?
One coulomb is equal to how many electrons?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction inside the magnet?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
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?
What is the purpose of the PTC switch in a lithium battery?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?