A randomized 100 question test from a pool of 1236 questions, good luck!
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
The point when increasing current will not increases magnetism in an electromagnet is call?
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 transmitter output signal if the fluid level is at 8.65 meters?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
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?
(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 tubing around a tight corner?
Solve for x: (3)(5)+9=x
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
The prefix "Micro" can be expressed as?
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 R2?
(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 symbol for a voltage drop is which of the below?
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."?
Express 60% as a reduced fraction.
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Materials with four electrons in their valence shell are considered what?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
"Two angles that add to 180 degrees," is a description of which mathematical term?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
Alternating current is bi-directional.
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
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?
(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 two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
(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?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
Gauge pressure is?
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
In the SI system, what is the fundamental hydrostatic pressure equation
8 coulomb of charge requires how many electrons?
The main function of a valve positioner is which of the below?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
What is usually referred to when loading an ammeter?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
If a closed tank is pressurized to 134.345 kPa and the pressure gauge at the bottom of the tank reads 169.456 kPa, what head (in feet) of a liquid with a R.D. of 0.24 is contained in the tan
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
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 true force balance negative feedback system is a force balance system?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
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?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
Newton's second law is also known as?
State the number 7.428 using scientific notation and round the answers to three significant digits.
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
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?
Factors affecting induced voltage include:
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
What is the SI unit of force?
If angle "Y" is equal to 28 degrees, solve for angle "X"
(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?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "i" equipment can withstand?
"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?
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?
(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 a it with a smaller one in a simple circuit?
The MSDS for each controlled product must be:
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"?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
(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?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
(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?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
What are the two types of magnet?
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 transmitter output signal if the fluid level is at 8.65 meters?
(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?
“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?