A randomized 100 question test from a pool of 1236 questions, good luck!
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
What is the SI unit of pressure?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
The symbol for a amperes is which of the below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The prefix "Mega" can be expressed as?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
The volume of a rectangle is calculated with which correct equation?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
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?
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?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
(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?
Solve for the missing side.
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
Pick the answer that will fill the blank. "_______ of the voltage would appear across the open circuit in a ______ circuit."
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
In the SI system, the unit used for mass is?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
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?
Which organization sets standards for boots and safety glasses in Canada?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
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 elevators used by the public?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
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?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
101.325 kPa is equal to?
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?
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?
Angle motion negative feedback system consists of:
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
What percentage of 35 is 21?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure decrease?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
Which of the valves below would be used for isolation on each side of a control valve?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
The prefix "Centi" can be expressed as?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
What is the main purpose of valve positioners?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
(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?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
If a closed tank is pressurized to 30 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 0.45 is contained in the tank?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
In what kind of circuit would all of the applied voltage appear across an open circuit?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The radius of a circle is calculated with which correct equation?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
(310105i) Any solid has inherent properties associated with it. which of the tests below refers to the application of force to a material and measures the specimen's response to the stress.
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
What are the two main systems of negative feedback?
With a direct acting actuator, as air pressure increases:
State the number 13487000 using scientific notation and round the answers to three significant digits.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
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?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would non-metallic dust that is electrically conductive belong to?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
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 fluid level if the transmitter signal is 35 kPa
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 quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
The result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
In a baffle-nozzle-restrictor motion detector the:
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
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?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
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 short circuit current?
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
What is the term used to describe the total opposition to current flow in an AC circuit?
1 mechanical, or imperial, horsepower is equal to which of the below?