A randomized 100 question test from a pool of 1236 questions, good luck!
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
Alternating current is bi-directional.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
What is the formula that the pneumatic relays amplification or gain is expressed by?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
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 current to an open circuit?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high 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 detailing of employer obligations that must be fulfilled?
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?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
Convert 4 ⅞ to an improper fraction.
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
What is the density of water?
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
What is the SI unit of pressure?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "⅜" refer to?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
Solve the equation:(4)(5)+4
From the information given in the diagram below, what is the current flowing on branch R2?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
Using the Pythagorean Theorem solves for which mathematical term?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
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."?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
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.
"Two angles that add to 180 degrees," is a description of which mathematical term?
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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
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 increase?
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
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
This pressure to force converter device is used in situations where space is limited?
The circumference of a circle is calculated with which correct equation?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
A volume booster is not a positioner.
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
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 several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
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?
A _________ has the air connection usually above the diaphragm
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.
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
The symbol for a voltage drop is which of the below?
5 coulomb of charge require how many electrons?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
1 kPa is equal to _____ psi
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
What percentage of 35 is 21?
From the information given in the diagram below, what is the current flowing on branch R1?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
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?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
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?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
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 numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
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?
(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?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
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?
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?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
A multi-wheel cutter is used when
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
"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?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
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 2 to non-hazardous?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.