A randomized 100 question test from a pool of 1236 questions, good luck!
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
“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?
A multi-wheel cutter is used when
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.
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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
What percentage of 35 is 21?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
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?
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?
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?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
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
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
In the SI system, the unit used for mass is?
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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "SS" refer to?
(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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
State the number 13487000 using scientific notation and round the answers to three significant digits.
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
The symbol for a amperes is which of the below?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
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?
(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 many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
(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?
If heat is added to a metal, does it expand?
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 a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
Alternating current is bi-directional.
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
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?
In the SI system, the unit for time is?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
True force balance negative feedback system consists of:
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
In the SI system, the unit of force is?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
(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?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
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?
Convert 0.625 to a fraction.
Determine x if 5:16=x:128.
With a reverse acting actuator, as the pressure increases:
To perform an "Angularity" adjustment, the order of step(s) is/are?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
Of the answers below, which one is a disadvantage of a Pinch valve?
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.
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
Gauge pressure is?
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?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
What is the name of the tool that is used on round stock to cut external threads?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
(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 several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
What is the purpose of the PTC switch in a lithium battery?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of yellow represent?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
Synthetic slings can be selected for a task specific application. Which of the sling property below would allow a nylon sling to be used in an explosive atmosphere?
What type of flux is generally used the most in electronic soldering?
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?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?