A randomized 100 question test from a pool of 1236 questions, good luck!
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?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
State 3 ⅞ as a mixed fraction.
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
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.
What is the name of the tool used to cut internal threads after drilling a hole?
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
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
(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?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
Linear motion negative feedback system consists of:
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
This valve is primarily used in slurry service and is not over 8 inch in general
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
The supplier label:
The volume of a cylinder is calculated with which correct equation?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
"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?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
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?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Gauge pressure is calculated by?
The prefix "Centi" can be expressed as?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
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?
Ohm's law states that:
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
What is the name of the tool that is used on round stock to cut external threads?
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?
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
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 a flame-proof enclosure?
Which of the valves below would be used for isolation on each side of a control valve?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
(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?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
"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?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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 non-hazardous?
(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?
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, fuse and an interlock?
7 coulombs of charge require how many electrons?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
The MSDS for each controlled product must be:
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
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
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
"Hydrostatic" pressure is sometimes referred to as
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 largest diameter of the thread?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
What item would be used on a pneumatic system to speed up the pneumatic signal?
What is the main purpose of valve positioners?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
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 1000 hours a year?
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?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
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."?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
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?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
Solve for x: 45-200÷10=x
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?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
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.
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
Solve for the missing angle.
Section 315(1), (2) and (3) covering guardrails can be found in which piece of legislation below?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
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?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
"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?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
To perform a "Zero" adjustment the order of step(s) is/are?