A randomized 100 question test from a pool of 1236 questions, good luck!
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?
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
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
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?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
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?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
(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 installation of cathodic protection?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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."
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the "SS" refer to?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
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?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
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?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
(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 suppliers?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
"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?
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
Which are the two major categories of pressure regulators?
There are two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the
"Is an area where no movement occurs with the actuators change in direction." describes which term?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
The outermost shell of an atom is called the valence shell.
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the current?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
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?
(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?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
(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?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Calculate the relative density for a fluid that has a density of 748 kg/m³
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?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
To alter the pressure setting of a regulator, you would adjust what?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
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
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
(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 power circuits that are extremely low voltage?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
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?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Which pressure to force converter is typically used in dial indicating pressure gauges?
5 coulomb of charge require how many electrons?
The prefix "Mega" can be expressed as?
Solve for x: 45-200÷10=x
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?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be referred to as the ability to accept or resist an external force trying to deform it?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
Angle motion negative feedback system consists of:
(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?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
"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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
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 subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
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?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
"Hydrostatic" pressure is sometimes referred to as
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
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?
In the SI system, the unit for length is?
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."
From the information given in the diagram below, what is the current flowing on branch R2?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?