A randomized 100 question test from a pool of 1236 questions, good luck!
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.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the voltage when the capacitor gets to 5τ?
Determine x if 5:16=x:128.
Convert 0.875 to a fraction.
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(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 power circuits that are extremely low voltage?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
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?
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?
A true force 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 capillary or impulse line to the instrument be used?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
Worker education is the responsibility of the:
The main function of a valve positioner is which of the below?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
Moment balance Negative feedback system consists of:
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?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
The industry committee network is made up of three bodies. Which of the bodies below acts as a link between the AIT Board and the LACs?
Convert ¹⁸⁄₅ to a decimal.
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be connected to a flange that was one-holed?
"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?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
A true force balance negative feedback system is a motion balance system?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
Isolate for "v" in the following equation: d=vt
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
(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?
The volume of a sphere is calculated with which correct equation?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
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.
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
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 "SS" refer to?
The radius of a circle is calculated with which correct equation?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
The circumference of a circle is calculated with which correct equation?
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?
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?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
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?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
"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?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
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
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
When an atom gains an electron, it is commonly referred to as which of the below?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
1 pound force is equal to
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
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:
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
To perform an "Angularity" adjustment, the order of step(s) is/are?
State 3 ⅞ as a mixed fraction.
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
When an atom loses an electron, it is commonly referred to as which of the below?
Convert ⁸⁄₁₉ to a decimal.
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?
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?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
"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?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
What is the formula that the pneumatic relays amplification or gain is expressed by?
What is the SI unit of pressure?
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?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
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 3-15 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?
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?