A randomized 100 question test from a pool of 1236 questions, good luck!
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 a Class I, Zone 2?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
(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?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
What type of flux is generally used the most in electronic soldering?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
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?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
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.
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
When an atom loses an electron, it is commonly referred to as which of the below?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
"pressure developed by a column of liquid" is the definition of which term
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?
"A two ratios that are equal in an equation." is a description of which mathematical term?
What is the term used to describe the total opposition to current flow in an AC circuit?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
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?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
(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 workers?
(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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
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
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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?
From the information given in the diagram below, what is the current flowing on branch R3?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
1 pound force is equal to
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
State 7 ⁹⁄₁₇ as an improper fraction.
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
Convert 0.875 to a fraction.
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 conditions signals received or transmitted to a hazardous area
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture 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 the grounding of less that 50V circuits?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
A moment balance negative feedback system is a force balance system?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
(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?
(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?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
(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?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
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."
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
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?
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
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?
1 mechanical, or imperial, horsepower is equal to which of the below?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
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?
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.
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?
In the fraction A/B, is B the denominator?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
(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?
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."?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
The symbol for resistance is which of the below?
(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 government agencies?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
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?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
65% of 765 is equal to?
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?
convert 4 ⁴⁄₁₁ to an improper fraction.
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?