A randomized 100 question test from a pool of 1236 questions, good luck!
"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?
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
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
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?
What is the basic unit of matter?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
There are many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
State the number 479.3 using engineering notation and round the answers to three significant digits.
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
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?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
(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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
What are the two types of magnet?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
Of the terms below, what is "Work" measured in?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
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?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
(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??
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
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 "SS" refer to?
When an atom gains an electron, it is commonly referred to as which of the below?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
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?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
The prefix "Centi" can be expressed as?
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?
How many electrons does 134.5 x 10¹⁹ represent?
Which pilot valve has two common supply connections, and two connections for output?
In the SI system, the unit used for mass is?
There are only a few parts to a capacitor. Which of the following terms best describes the insulator between two plates of a capacitor?
What is the SI unit of force?
The area of a circle is calculated with which correct equation?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
A moment balance negative feedback system is a motion balance system?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
"Any quantity with both a magnitude and a direction, such as velocity." is a description of which mathematical term?
Covert 3 ⅘ to an improper fraction
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?
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?
(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 maintenance of instruments in hazardous locations of instruments?
An I/P transducer is a positioner.
The trigonometric ratio of cosine is calculated with which mathematical equation?
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?
(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?
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
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?
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
The radius of a circle is calculated with which correct equation?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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."
(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 employers?
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 industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
What item would be used on a pneumatic system to speed up the pneumatic signal?
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
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
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"?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
In the fraction A/B, is A the numerator?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
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?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
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 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?
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
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?
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 1 to a Class I, Zone 2?
From the information given in the diagram below, what is the current flowing on branch R2?
