A randomized 100 question test from a pool of 1236 questions, good luck!
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
"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?
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?
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 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
Of the valves below, which would be best for erosive service?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends offset and one pipe connector?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
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 method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
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 10, but less than 1000 hours a year?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
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?
(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 tubing around a tight corner?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
Solve for x: 45-200÷10=x
1 kPa is equal to _____ psi
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
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?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
State ⁶⁵⁄₁₄ as a mixed fraction.
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
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?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
The standard unit of conductance is which of the below?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
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?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
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?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
What is the name of the tool used to cut internal threads after drilling a hole?
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?
Convert the following quantities to the units asked for: 4572 cm to yards.
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed 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 the letter "A" in the picture below?
What are the 2 major parts of a control valve?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
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?
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.
A moment balance negative feedback system is a motion balance system?
Isolate for"h" in the following equation y=(h-t)/r
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
"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?
(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 2 circuits that are controlled remotely?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the relationship between the volume and temperature in a fixed mass of gas."?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
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?
This pressure to force converter device is used in situations where space is limited?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to non-hazardous?
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?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
Which organization sets standards for boots and safety glasses in Canada?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
(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?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
Materials with five or more electrons in their valence shell are considered what?
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
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?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
"A two ratios that are equal in an equation." is a description of which mathematical term?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
If a closed tank is pressurized to 30 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 0.45 is contained in the tank?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
Which are the two major categories of pressure regulators?
Which type of valve is pictured below?
(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 tube to tube?
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 the following classifications is responsible for poisonous material with immediate and serious toxic effects?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
(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 smaller one in a simple circuit?