A randomized 100 question test from a pool of 1236 questions, good luck!
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
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?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
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?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
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?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
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?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
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?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
"Hydrostatic" pressure is sometimes referred to as
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
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?
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
Convert 0.875 to a fraction.
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
When an atom gains an electron, it is commonly referred to as which of the below?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
There are several different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
Convert 4 ⅞ to an improper fraction.
"A whole number and a fraction combined into one number", is a description of which type of fraction?
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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
Lenz Law states:
Convert ¹⁸⁄₅ to a decimal.
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?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
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?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
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."?
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
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?
The area of a circle is calculated with which correct equation?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
Which pressure to force converter is typically used in dial indicating pressure gauges?
"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?
"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?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
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?
"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?
"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?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
(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??
1 kPa is equal to _____ psi
"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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
An I/P transducer is a positioner.
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
(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 of transformer circuits for instruments?
The two main functions of a negative feedback system are:
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?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
The trigonometric ratio of sine is calculated with which mathematical equation?
A multi-wheel cutter is used when
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
What does the term "Cv" represent in calculating pressure drop?
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?
Choose the correct order of mathmatical operations.
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 7.5 cm and the effective area of the diaphragm is 0.02 m².
The standard unit of resistance is which of the below?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
(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 circuits that are controlled remotely?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
"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?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
Which of the terms below is measured in "Joules"
(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?
When making an angularity adjustment, what is the first adjustment made?