A randomized 100 question test from a pool of 1236 questions, good luck!
Which are the two major categories of pressure regulators?
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?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
Convert ⅘ to a decimal.
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?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
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.
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?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
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?
(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?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
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 mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
What is the name of the tool used to cut internal threads after drilling a hole?
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
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
How many electrons does 134.5 x 10¹⁹ represent?
(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 transformer circuits for instruments?
With a reverse acting actuator, as the pressure increases:
Express ³²⁄₄₄ as a percent.
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the least capacitance?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
8 coulomb of charge requires how many electrons?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
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?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
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?
Calculating absolute pressure is achieved by?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
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 largest diameter of the thread?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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.
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
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?
Of the adjustments below, which is the most common adjustment made?
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?
The desiccant head adsorbes water vapour due to which?
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 short circuit current?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
"A triangle in which all three sides are equal." is a description of which mathematical term?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
What are the 2 major parts of a control valve?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
Determine x if 5:16=x:128.
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
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?
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
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
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 this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
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?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
14.696 psia is equal to?
The area of a circle is calculated with which correct equation?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
(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 workers?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
When an atom gains an electron, it is commonly referred to as which of the below?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
