A randomized 100 question test from a pool of 1236 questions, good luck!
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
Which pressure to force converter is typically used in dial indicating pressure gauges?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
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
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
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?
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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
In the SI system, the unit of force is?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
(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??
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
(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?
1 pound mass is equal to?
The prefix "Kilo" can be expressed as?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a glass core?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
"The results of a devices inelastic quality" is a definition of which term?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
Calculate the normal force exerted by an object that has a mass of 6732 grams
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
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 general purpose?
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?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
How is the term "Cv" calculated?
(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?
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?
When a pressure of 15 psi is applied to a diaphragm actuator with a diameter of 18 cm, what is the force in Newtons (N) that is created?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
A moment balance negative feedback system is a force balance system?
This pressure to force converter device is used in situations where space is limited?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
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 result of a _______ actuator is installed with a ________ valve will be normally open, fail closed
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
If a pressure change of 20 kPa to 60 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 0.09 m^2
Convert 0.125 to a fraction.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
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?
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?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
In what kind of circuit would all of the applied voltage appear across an open circuit?
"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?
(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??
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
(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?
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
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
The desiccant head adsorbes water vapour due to which?
The equation to calculate density is?
(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?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
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?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics 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.
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for employers?
Materials with four electrons in their valence shell are considered what?
What is the purpose of the PTC switch in a lithium battery?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
Isolate for "v" in the following equation: d=vt
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
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
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?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
Which organization sets standards for boots and safety glasses in Canada?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?