A randomized 100 question test from a pool of 1236 questions, good luck!
In the SI system, the unit for time is?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
The trigonometric ratio of cosine is calculated with which mathematical equation?
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
The symbol for a voltage drop is which of the below?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
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 R1?
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 "ia" equipment can withstand?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
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?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
The prefix "Kilo" can be expressed as?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
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 blocks any excess voltage from gaining access to a hazardous area?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
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 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 transmitter output signal if the fluid level is at 8.65 meters?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm only?
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
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 inside the magnet?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
(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?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
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?
"Is the rate of doing work, it is the amount of energy consumed per unit time", is the description of which mathematical term?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
Materials with five or more electrons in their valence shell are considered what?
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
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?
"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?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
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?
The perimeter of a rectangle is calculated with which correct equation?
(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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
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?
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?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
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?
What is the formula to calculate Hydrostatic peressure
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
65% of 765 is equal to?
Express 60% as a reduced fraction.
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.
State the number 7.428 using scientific notation and round the answers to three significant digits.
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
What type of cell is a lithium constructed battery?
"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."
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
True force balance negative feedback system consists of:
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
Solve for the hypotenuse.
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?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
What is the density of water?
(310103f) Strain type gauges are commonly found in industry. Which of the strain gauges below is the most accurate?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
With a direct acting actuator, as air pressure increases:
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 2 to non-hazardous?
Matter that is compose of only one atom is called what?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
A true force balance negative feedback system is a force balance system?
Express ³²⁄₄₄ as a percent.
1 kPa is equal to _____ psi
Which pilot valve has two common supply connections, and two connections for output?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
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."?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
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?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
Isolate the following equation for "v": d=vt
What are the two types of magnet?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
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?