A randomized 100 question test from a pool of 1236 questions, good luck!
convert 4 ⁴⁄₁₁ to an improper fraction.
The trigonometric ratio of cosine is calculated with which mathematical equation?
What type of fire extinguisher can have a large tapered nozzle?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
(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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
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 roof of the container. Of the following answers, which gas would he be testing for?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
The circumference of a circle is calculated with which correct equation?
"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?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
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?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
In the fraction A/B, is B the denominator?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
(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?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
Convert the following quantities to the units asked for: 4572 cm to yards.
"The results of a devices inelastic quality" is a definition of which term?
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
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 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
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 height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
A _________ has the air connection usually under of the diaphragm.
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure decrease?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
"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?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm only?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
Of the valves below, which would be best for erosive service?
What percentage of 35 is 21?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
The desiccant head adsorbes water vapour due to which?
"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 angle "Y" is equal to 28 degrees, solve for angle "X"
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
The volume of a cube is calculated with which correct equation?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
With a reverse acting actuator, as the pressure increases:
"pressure developed by a column of liquid" is the definition of which term
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
How is the term "Cv" calculated?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
The volume of a sphere is calculated with which correct equation?
From the information given in the diagram below, what is the current flowing on branch R3?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
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?
Hysteresis can only be calculated.
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
1 mechanical, or imperial, horsepower is equal to which of the below?
What is the density of water?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
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?
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?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
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?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
What is the SI unit of pressure?
The symbol for a amperes is which of the below?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
To preform a "Span" adjustment the order of the step(s) is/are?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.