A randomized 100 question test from a pool of 1236 questions, good luck!
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting through the side wall of an enclosure?
Convert 0.625 to a fraction.
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
(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?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when tubing around a tight corner?
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?
Solve the equation:(4)(5)+4
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
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 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 "4 mm" refer to?
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?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
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?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
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?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
From the information given in the diagram below, what is the current flowing on branch R2?
In a baffle-nozzle-restrictor motion detector the:
Which of the welding processes below would welding goggles be worn?
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
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
From the information given in the diagram below, what is the current flowing on branch R3?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
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.
Which valve is used for corrosive slurries?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
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?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
Of the terms below, what is "Power" measured in?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "a localized electric current induced in a conductor by a varying magnetic field."?
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?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
A _________ has the air connection usually above the diaphragm
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
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?
State the number 7.428 using scientific notation and round the answers to three significant digits.
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
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
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
(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 grounding of less that 50V circuits?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
(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?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
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?
The area of a circle is calculated with which correct equation?
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?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
1 pound mass is equal to?
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
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
The trigonometric ratio of cosine is calculated with which mathematical equation?
Convert 16.5 psi into kPa
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
Newton's first law is also known as?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ib" equipment can withstand?
(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?
Convert ¹⁸⁄₅ to a decimal.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
The perimeter of a rectangle is calculated with which correct equation?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
The standard unit of resistance is which of the below?
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
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?
Which of the following is not affected by a positioner?
7 coulombs of charge require how many electrons?
Which organization sets standards for boots and safety glasses in Canada?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?