A randomized 100 question test from a pool of 1236 questions, good luck!
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
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
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?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
Convert 0.625 to a fraction.
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
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) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
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."?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
What type of flux is generally used the most in electronic soldering?
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?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
What type of cell is a lithium constructed battery?
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
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?
In the SI system, what is the fundamental hydrostatic pressure equation
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
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?
In the fraction A/B, is B the denominator?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
"Two angles that add to 180 degrees," is a description of which mathematical term?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
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?
Using the Pythagorean Theorem solves for which mathematical term?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
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?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
(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?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
What is the term used to describe the total opposition to current flow in an AC circuit?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
Convert ⁸⁄₁₉ to a decimal.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
"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?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
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?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
Which of the terms below is measured in "Joules"
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?
The outermost shell of an atom is called the valence shell.
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
The point when increasing current will not increases magnetism in an electromagnet is call?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
Materials with five or more electrons in their valence shell are considered what?
Convert 18.5 psi into inches W.C.
Convert the following quantities to the units asked for: 4572 cm to yards.
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
(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 government agencies?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
Matter that is compose of only one atom is called what?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
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?
If heat is added to a metal, does it expand?
Covert 3 ⅘ to an improper fraction
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
State 7 ⁹⁄₁₇ as an improper fraction.
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
"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?