A randomized 100 question test from a pool of 1236 questions, good luck!
(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?
What type of cell is a lithium constructed battery?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
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?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
convert 4 ⁴⁄₁₁ to an improper fraction.
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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
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 letter "C" 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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
From the information given in the diagram below, what is the current flowing on branch R3?
The symbol for a voltage source is which of the below?
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 the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
(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?
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?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
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?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
In the WHMIS system, "Infectious materials" is represented by which hazard class? Choose from the following answers.
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.
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Worker education is the responsibility of the:
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
What power of soldering station is used for electronic soldering?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
(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 require constant replacement?
1 psi is equal to _____ kPa
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen arc adjustment/verification be?
What are the 2 major parts of a control valve?
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 voltage delivered to the field device?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
"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?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
What is the density of water?
What is the SI unit of force?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
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?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
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?
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?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
What are the two types of magnet?
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 is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the average velocity of the car?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
(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 circuits that are controlled remotely?
"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?
Which of the welding processes below would welding goggles be worn?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
Covert 6 ¹¹⁄₁₃ to an improper fraction.
Which pressure to force converter is typically used in dial indicating pressure gauges?
14.696 psia is equal to?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
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 developed with the addition of Avogadro's Gas Law?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
(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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
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 only?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
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."
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
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 non-hazardous?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
What is the purpose of the PTC switch in a lithium battery?
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?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "4" in the picture below?