A randomized 100 question test from a pool of 1236 questions, good luck!
A capacitor discharges it's voltage at a specific rate. How many tau are required for a capacitor to expend 99% of it's original voltage?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
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."
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
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 smallest diameter of the thread?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
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?
"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?
The basic unit of matter is called?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
101.325 kPa is equal to?
convert 4 ⁴⁄₁₁ to an improper fraction.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
What power of soldering station is used for electronic soldering?
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
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
Gauge pressure is calculated by?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Solve for x: (3)(5)+9=x
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line resistance to an open circuit?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
"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?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
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
1 mechanical, or imperial, horsepower is equal to which of the below?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described as having a blind and a spacer together in one assembly?
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?
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.
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?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
Which term can be defined as the pressure measured from absolute zero?
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 increase in resistive load?
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?
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
Which pilot valve has two common supply connections, and two connections for output?
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
In the fraction A/b, is A the denominator?
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?
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
34.450 in engineering notion is what?
(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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
"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?
(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"?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for 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?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
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?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
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?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
To alter the pressure setting on a regulator what element would you adjust?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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?
"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?
If heat is removed from a metal, does it contract?
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 several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
(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 maintenance of instruments in hazardous locations of instruments?
Which of the terms below is measure in "watts"
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
(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?
Calculate the relative density for a fluid that has a density of 748 kg/m³
State the number 0.004675 using scientific notation and round the answers to three significant digits.
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
What type of flux is generally used the most in electronic soldering?
Hysteresis can only be calculated.
The trigonometric ratio of sine is calculated with which mathematical equation?
The area of a circle is calculated with which correct equation?