A randomized 100 question test from a pool of 1236 questions, good luck!
Worker education is the responsibility of the:
Hysteresis can only be calculated.
Lenz Law states:
The standard unit of conductance is which of the below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
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?
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??
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
What power of soldering station is used for electronic soldering?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
Piping material that is non-ferrous is most common in lower temperature services. Which of the answers below would best be classified as a "non-ferrous" material?
(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?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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.
Covert 6 ¹¹⁄₁₃ to an improper fraction.
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 many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
The radius of a circle is calculated with which correct equation?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
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"
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 2 to non-hazardous?
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "⅜" refer to?
(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 employers?
Newton's second law is also known as?
Of the valves below, which would be best for erosive service?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
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?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
65% of 765 is equal to?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
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?
Convert 0.875 to a fraction.
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 10, but less than 1000 hours a year?
Matter that is composed of more than one type of atom is called?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
What is the smallest charged particle?
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?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to a Class I, Zone 2?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
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?
Newton's third law is also known as?
From the information given in the diagram below, what is the current flowing on branch R1?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
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."?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
To alter the pressure setting on a regulator what element would you adjust?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for elevators used by the public?
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?
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?
"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?
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
What are the two main systems of negative feedback?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
Convert the following quantities to the units asked for: 27000 seconds to hours.
"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?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
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 numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
(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?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
"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 longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
With a direct acting actuator, as air pressure increases:
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?
What is the main purpose of valve positioners?
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?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
Moment balance Negative feedback system consists of:
Of the adjustments below, which is the most common adjustment made?
The perimeter of a Triangle is calculated with which correct equation?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
Which organization sets standards for boots and safety glasses in Canada?
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?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
From the information given in the diagram below, what is the current flowing on branch R2?