A randomized 100 question test from a pool of 1236 questions, good luck!
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
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?
Alternating current is bi-directional.
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?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
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?
The supplier label:
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
What is the formula to calculate Hydrostatic peressure
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
What power of soldering station is used for electronic soldering?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
The prefix "Kilo" can be expressed as?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
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?
In a baffle-nozzle-restrictor motion detector the:
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?
"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?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
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.
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
The main function of a valve positioner is which of the below?
What is the smallest charged particle?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
(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 workers?
"The results of a devices inelastic quality" is a definition of which term?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
Isolate the following equation for "v": d=vt
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
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 largest diameter of the thread?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
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?
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
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?
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) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
With a direct acting actuator, as air pressure increases:
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
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 "SS" refer to?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
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?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
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
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
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?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
The symbol for resistance is which of the below?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
Of the terms below, what is "Power" measured in?
8 coulomb of charge requires how many electrons?
State 3 ⅞ as a mixed fraction.
What is the basic unit of matter?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
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.
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
Materials with one to three electrons in their valence shell are considered what?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a maximum of 1.2 volts it can develop or contain?
(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"?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
Solve the equation:(4)(5)+4
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.