A randomized 100 question test from a pool of 1236 questions, good luck!
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R1?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
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?
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?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
What percentage of 35 is 21?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
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?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier at the open end of a process pipe?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
If a tool increases from $43 to $76, what is the percentage increase?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
(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?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
Isolate the following equation for "v": d=vt
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
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?
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?
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?
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?
The area of a circle is calculated with which correct equation?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
"5 x 7=7 x 5" is an example of which mathematical law?
The equation to calculate density is?
Of the answers below, which one is a disadvantage of a Pinch valve?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
The volume of a sphere is calculated with which correct equation?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
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
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
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?
"A two ratios that are equal in an equation." is a description of which mathematical term?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
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
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between cable tray and metal conduit?
What is the main purpose of valve positioners?
A multi-wheel cutter is used when
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
34.450 in engineering notion is what?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
7 coulombs of charge require how many electrons?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
(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?
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.
Which organization sets standards for boots and safety glasses in Canada?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
A true force balance negative feedback system is a motion balance system?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
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.
The prefix "Micro" can be expressed as?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
How is the term "Cv" calculated?
(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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
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?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
Which of the terms below is measured in "Joules"
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Gauge pressure is?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
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?
A _________ has the air connection usually under of the diaphragm.
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
The standard unit of resistance is which of the below?
If heat is added to a metal, does it expand?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
What type of flux is generally used the most in electronic soldering?
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?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?