A randomized 100 question test from a pool of 1236 questions, good luck!
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
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 pressure change of 20 kPa to 60 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 0.09 m^2
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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"
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
(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?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
Convert ¹⁸⁄₅ to a decimal.
(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?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
Which organization sets standards for boots and safety glasses in Canada?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
"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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
The volume of a sphere is calculated with which correct equation?
Gauge pressure is?
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."
Matter that is compose of only one atom is called what?
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 minimum of 1.3 volts it can develop or contain?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
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?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
(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?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
"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?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Convert 0.500 to a fraction.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
"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."
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
(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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
What is the density of water?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
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?
When making a span adjustment, what is the first adjustment made?
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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
(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?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
(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 transformer circuits for instruments?
The volume of a sphere is calculated with which correct equation?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
101.325 kPa is equal to?
With a direct acting actuator, as air pressure increases:
What item would be used on a pneumatic system to speed up the pneumatic signal?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
(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?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
Worker education is the responsibility of the:
(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, prior to any work, the administrative procedures to be in place?
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 trigonometric ratio of cosine is calculated with which mathematical equation?
"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?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
1 pound force is equal to
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the final velocity of the car?
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 "ia" equipment can withstand?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
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
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
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
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
From the information given in the diagram below, what is the current flowing on branch R2?
