A randomized 100 question test from a pool of 1236 questions, good luck!
"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?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
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?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
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.
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
The trigonometric ratio of tangent is calculated with which mathematical equation?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
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?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
If heat is added to a metal, does it expand?
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 1 to a Class I, Zone 2?
What is the purpose of the PTC switch in a lithium battery?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
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?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would positively pressurized equipment be primary used?
What type of cell is a lithium constructed battery?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
What is the SI unit of force?
Which of the terms below is measure in "watts"
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 "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
Convert 0.125 to a fraction.
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
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?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
The ability of a material to concentrate magnetic lines of force within a material is called?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
Solve for x: 45-200÷10=x
14.696 psia is equal to?
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.
Convert ⁸⁄₁₉ to a decimal.
What are the 2 major parts of a control valve?
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
"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?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
What item would be used on a pneumatic system to speed up the pneumatic signal?
State the number 7.428 using scientific notation and round the answers to three significant digits.
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
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
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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 Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
Linear motion negative feedback system consists of:
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
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?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
What are the two main systems of negative feedback?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
Which of the terms below is measured in "Joules"
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
(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??
Worker education is the responsibility of the:
Matter that is compose of only one atom is called what?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.