A randomized 100 question test from a pool of 1236 questions, good luck!
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
Calculate the relative density for a fluid that has a density of 748 kg/m³
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
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."
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
(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 electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
What is the name of the tool used to cut internal threads after drilling a hole?
A volume booster is not a positioner.
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
What is the basic unit of matter?
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?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
(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?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
Which of these pressure to force converters has two diaphragms soldered together?
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?
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
"Hydrostatic" pressure is sometimes referred to as
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?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
State 3 ⅞ as a mixed fraction.
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
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?
Which of the welding processes below would welding goggles be worn?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
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 final velocity of the car?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
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?
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
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
(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"?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
In the fraction A/B, is B the denominator?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
The ability of a material to concentrate magnetic lines of force within a material is called?
Which organization sets standards for boots and safety glasses in Canada?
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?
"A triangle in which all three sides are equal." is a description of which mathematical term?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
(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 resistor with a larger one in a simple circuit?
Convert 45.9 kPa into psi
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
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
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?
True force balance negative feedback system consists of:
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
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 "⅜" refer to?
The volume of a sphere is calculated with which correct equation?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
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?
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?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
"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?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
What are the two types of magnet?
The result of a _______ actuator is installed with a ________ valve will be air-to-close
What percentage of 35 is 21?
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?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
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 displacement of the car?