A randomized 100 question test from a pool of 1236 questions, good luck!
When an atom gains an electron, it is commonly referred to as which of the below?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
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) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
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?
(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?
1 psi is equal to _____ kPa
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
(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?
Linear motion negative feedback system consists of:
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
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?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
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 displacement of the car?
What is the area of a semi-circle with a diameter of 2.45m?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
This valve is primarily used in slurry service and is not over 8 inch in general
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
1 mechanical, or imperial, horsepower is equal to which of the below?
Which pilot valve has two common supply connections, and two connections for output?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
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?
What is the name of the tool that is used on round stock to cut external threads?
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
To perform an "Angularity" adjustment, the order of step(s) is/are?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
In the SI system, the unit of force is?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured 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?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
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?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
The ratio 3.4:2.5 equal to?
One coulomb is equal to how many electrons?
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?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
How many electrons does 134.5 x 10¹⁹ represent?
The prefix "Centi" can be expressed as?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
(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?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
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?
"An angle of 90°" is a description of which mathematical term?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
The supplier label:
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."
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?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
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?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
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?
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 non-hazardous?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
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?
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?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
To alter the pressure setting on a regulator what element would you adjust?