A randomized 100 question test from a pool of 1236 questions, good luck!
What is the term used to describe the total opposition to current flow in an AC circuit?
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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
The point when increasing current will not increases magnetism in an electromagnet is call?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
Determine x if 5:16=x:128.
Which of the terms below is measured in "Joules"
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
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 types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
(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 signal circuits that are considered Class 1?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
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.
"A whole number and a fraction combined into one number", is a description of which type of fraction?
State the number 13487000 using scientific notation and round the answers to three significant digits.
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?
(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 less that 50V circuits?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
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?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
One coulomb is equal to how many electrons?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
To perform an "Angularity" adjustment, the order of step(s) is/are?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
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
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
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?
When an atom loses an electron, it is commonly referred to as which of the below?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
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?
"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?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
When making an angularity adjustment, what is the first adjustment made?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
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?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
The prefix "giga" can be expressed as?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
Of the adjustments below, which is the most common adjustment made?
Solve for the missing angle.
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
Newton's third law is also known as?
The outermost shell of an atom is called the valence shell.
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced it with a larger one in a simple circuit?
Which of the welding processes below would welding goggles be worn?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
The ratio 3.4:2.5 equal to?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
What are the three main elements of a regulator?
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?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
(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?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
The prefix "Mega" can be expressed as?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
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
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for transporting workers?
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?