A randomized 100 question test from a pool of 1236 questions, good luck!
How many electrons does 134.5 x 10¹⁹ represent?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Which type of valve is pictured below?
Which of these pressure to force converters has two diaphragms soldered together?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
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
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
A moment balance negative feedback system is a force balance system?
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 several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
Solve for the missing side.
A battery has a rating of 80Ah, this means it can supply
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
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?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
Convert ⁸⁄₁₉ to a decimal.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
The ratio 3.4:2.5 equal to?
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 an explosion-proof enclosure?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
What type of fire extinguisher can have a large tapered nozzle?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
Which term can be defined as the pressure measured from absolute zero?
What is the formula to calculate Hydrostatic peressure
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??
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).
Which type of pilot valve has one supply connection and two output connections?
(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?
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?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
If angle "Y" is equal to 28 degrees, solve for angle "X"
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?
State ⁶⁵⁄₁₄ as a mixed fraction.
(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?
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.
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
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 visual indicator only?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
(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?
(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?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
In the SI system, the unit of force is?
(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 in line and one pipe connector?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
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?
(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?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
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 average velocity of the car?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
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 "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
Solve the equation:(4)(5)+4
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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 current to an open circuit?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
1 mechanical, or imperial, horsepower is equal to which of the below?
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?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
The standard unit of resistance is which of the below?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Which type of valve is pictured below?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
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?
