A randomized 100 question test from a pool of 1236 questions, good luck!
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
34.450 in engineering notion is what?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
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 "4 mm" refer to?
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"?
A volume booster is not a positioner.
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
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 "A" in the picture below?
Magnets have been classified into two distinct groups. Which of the answers below is best described as an electromagnet which only retains magnetism when an electrical current is running through it?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
What are the two main systems of negative feedback?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(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?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
Convert ⁸⁄₁₉ to a decimal.
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
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?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
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 at the open end of a process pipe?
State the number 13487000 using scientific notation and round the answers to three significant digits.
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
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?
With a direct acting actuator, as air pressure increases:
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
(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 4 tubes together?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
What type of flux is generally used the most in electronic soldering?
The equation to calculate density is?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
65% of 765 is equal to?
To preform a "Span" adjustment the order of the step(s) is/are?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
State the number 0.003402 using decimal notation and round the answers to three significant digits.
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
(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?
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 numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
A moment balance negative feedback system is a force balance system?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
Express ³²⁄₄₄ as a percent.
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?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R1?
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?
1 pound mass is equal to?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
What item would be used on a pneumatic system to speed up the pneumatic signal?
1 kPa is equal to _____ psi
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?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
In the SI system, the unit used for mass is?
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?
When used to cut mild steel. what is the recommended angle for a cold chisel?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
A battery has a rating of 80Ah, this means it can supply
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
Which of the valves below would be used for isolation on each side of a control valve?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
In what kind of circuit would all of the applied voltage appear across an open circuit?
"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?
(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??
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?
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."
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
The volume of a cube is calculated with which correct equation?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R3?
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 increase in resistive load?