A randomized 100 question test from a pool of 1236 questions, good luck!
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
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?
(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?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to a flame-proof enclosure?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
5 coulomb of charge require how many electrons?
Which of the welding processes below would welding goggles be worn?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
(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 Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The symbol for a voltage source is which of the below?
If heat is added to a metal, does it expand?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be leak-proof at any temperature or pressure
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
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 explosion-proof enclosure?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
"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?
The equation to calculate density is?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
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."?
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?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
convert 4 ⁴⁄₁₁ to an improper fraction.
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
"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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
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?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ia" equipment can withstand?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
Hysteresis can only be calculated.
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
The volume of a cylinder is calculated with which correct equation?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
When an atom loses an electron, it is commonly referred to as which of the below?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
Materials with one to three electrons in their valence shell are considered what?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
What does the term "Cv" represent in calculating pressure drop?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
"_________ 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.
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
14.696 psia is equal to?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
"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?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
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?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
(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 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
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?
Newton's third law is also known as?
(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?
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 distance from the crest of one thread to another crest measured along the length of the thread?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
(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?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
8 coulomb of charge requires how many electrons?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
(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 1 power circuits that are extremely low voltage?
What is the SI unit of pressure?
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?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
To perform a "Zero" adjustment the order of step(s) is/are?
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?
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 item would be used on a pneumatic system to speed up the pneumatic signal?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
(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 circuits that are isolated?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
"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?
Convert 4 ⅞ to an improper fraction.