A randomized 100 question test from a pool of 1236 questions, good luck!
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?
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 a physical barrier at the open end of a process pipe?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
(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 Class 2 power circuits that are considered low energy?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
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?
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.
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
(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 cathodic protection?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(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?
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?
State the number 7.428 using scientific notation and round the answers to three significant digits.
Express 60% as a reduced fraction.
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 decrease in resistive load?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
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?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
The ability of a material to concentrate magnetic lines of force within a material is called?
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
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
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.
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
(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?
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?
Isolate the following equation for "v": d=vt
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
The perimeter of a square is calculated with which correct equation?
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
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?
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?
To alter the pressure setting on a regulator what element would you adjust?
"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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
A moment balance negative feedback system is a motion balance system?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
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?
"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?
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?
The area of a circle is calculated with which correct equation?
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, fuse and an interlock?
Convert ¹⁰⁄₁₅ to a decimal.
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
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
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R3?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R2?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
When making an angularity adjustment, what is the first adjustment made?
Which are the two major categories of pressure regulators?
"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?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
A _________ has the air connection usually under of the diaphragm.
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
In the fraction A/b, is A the denominator?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
The volume of a sphere is calculated with which correct equation?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
Express ³²⁄₄₄ as a percent.
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
The trigonometric ratio of cosine is calculated with which mathematical equation?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
Covert 3 ⅘ to an improper fraction
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
What type of fire extinguisher can have a large tapered nozzle?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
Choose the correct order of mathmatical operations.