A randomized 100 question test from a pool of 1236 questions, good luck!
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
(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?
(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 1 circuits that are controlled remotely?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve 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?
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?
A moment balance negative feedback system is a force balance system?
(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?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
1 mechanical, or imperial, horsepower is equal to which of the below?
True force balance negative feedback system consists of:
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The trigonometric ratio of sine is calculated with which mathematical equation?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
Solve for the missing side.
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
When an atom loses an electron, it is commonly referred to as which of the below?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
Which term can be defined as the pressure measured from absolute zero?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
Alternating current is bi-directional.
State the number 479.3 using engineering notation and round the answers to three significant digits.
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
What is the name of the tool used to cut internal threads after drilling a hole?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
The volume of a cube is calculated with which correct equation?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
What is the smallest charged particle?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
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?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
"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?
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?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
(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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Angle motion negative feedback system consists of:
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
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?
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
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?
Calculate the normal force exerted by an object that has a mass of 6732 grams
State this fraction as a mixed fraction: ⁵⁵⁄₈.
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "C"?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
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
Convert the following quantities to the units asked for: 4572 cm to yards.
Which pressure to force converter is typically used in dial indicating pressure gauges?
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?
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
Materials with one to three electrons in their valence shell are considered what?
(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 larger OD tube to a smaller OD tube?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
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?
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?
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?
"Two angles that add to 180 degrees," is a description of which mathematical term?
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?