A randomized 100 question test from a pool of 1236 questions, good luck!
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?
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?
What is usually referred to when loading an ammeter?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
(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?
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?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where actuator energy is carried to an FCE?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
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?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
The symbol for a voltage drop is which of the below?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
(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?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
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 decrease in resistive load?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
"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?
(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?
A multi-wheel cutter is used when
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
Convert 88 PSI to kPa
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
"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?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
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
Which type of valve is pictured below?
Which of the following measurements cannot be performed by a sliding caliper?
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?
What is the SI unit of pressure?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
1 kPa is equal to _____ psi
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 R2?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
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?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
Which of the welding processes below would welding goggles be worn?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
Ohm's law states that:
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
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?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
The ability of a material to concentrate magnetic lines of force within a material is called?
The equation to compute mechanical advantage is which one of the below?
In the fraction A/B, is B the denominator?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
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?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
Hysteresis can only be calculated.
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
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?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
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?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
What are the two types of magnet?
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 audible alarm, fuse and an interlock?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
What are all the variables that can be measured when dealing with gases?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
When used to cut mild steel. what is the recommended angle for a cold chisel?
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.
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
Choose the correct order of mathmatical operations.
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?