A randomized 100 question test from a pool of 1236 questions, good luck!
Gauge pressure is calculated by?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
"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?
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?
(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 tubing to piping?
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
How many electrons does 134.5 x 10¹⁹ represent?
To perform an "Angularity" adjustment, the order of step(s) is/are?
"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?
Convert ¹⁰⁄₁₅ to a decimal.
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
(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 3 tubes together?
Which term can be defined as the pressure measured from absolute zero?
(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 installation of an electrical communication system?
A moment balance negative feedback system is a motion balance system?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
What are the two types of magnet?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
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?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
Solve for x: (3)(5)+9=x
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 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?
The standard unit of conductance is which of the below?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
(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 installation of instruments in a hazardous location?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
The volume of a sphere is calculated with which correct equation?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
What are all the variables that can be measured when dealing with gases?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
To perform a "Zero" adjustment the order of step(s) is/are?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
Which are the two major categories of pressure regulators?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Of the adjustments below, which is the most common adjustment made?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
Matter that is composed of more than one type of atom is called?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
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 standard unit of resistance is which of the below?
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
In the fraction A/b, is A the denominator?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
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.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
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?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
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?
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?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
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 and fuse only?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
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
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
"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?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
When making a span adjustment, what is the first adjustment made?
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 voltage delivered to the field device?
Faraday's law of induction states:
If angle "Y" is equal to 28 degrees, solve for angle "X"
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
(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 4 tubes together?
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
(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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
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 flame-proof enclosure?
convert 56.7 psi to kPa.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?