A randomized 100 question test from a pool of 1236 questions, good luck!
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
Convert the following quantities to the units asked for: 4572 cm to yards.
If heat is removed from a metal, does it contract?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
A _________ has the air connection usually above the diaphragm
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
What is the smallest charged particle?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
"An adjustment that, without affecting the base point, changes the shape of the curve" is the definition of which adjustment?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
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?
Two pieces of eye protection should be used together when grinding or chipping. Choose the best answer from the selection below.
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
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 rigging in general?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
(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 circuits that are controlled remotely?
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Covert 3 ⅘ to an improper fraction
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
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 area of a circle is calculated with which correct equation?
When allowing power to flow to a device, purging may be required beforehand. Which of the answers below best represents the complete volumes of air with positive pressure?
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?
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?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
How many electrons does 134.5 x 10¹⁹ represent?
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
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?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a moment balance negative feedback system in the creation of an output signal?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
(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 true force balance negative feedback system is a force balance system?
Convert 4 ⅞ to an improper fraction.
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 373.15 K?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
The prefix "Kilo" can be expressed as?
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?
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 method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
The prefix "giga" can be expressed as?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
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
Isolate the following equation for "v": d=vt
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"Having only magnitude, not direction, such as speed", is a description of which mathematical term?
(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, prior to any work, the administrative procedures to be in place?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
To alter the pressure setting on a regulator what element would you adjust?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
(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?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
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?
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?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The MSDS for each controlled product must be:
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
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."?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
If, for every 12 C of charge, 50 J of energy is available, what is the voltage?
"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?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
(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??
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Which organization sets standards for boots and safety glasses in Canada?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
(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?
What is the SI unit of force?
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?
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 "SS" refer to?
Matter that is composed of more than one type of atom is called?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(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?
The perimeter of a rectangle is calculated with which correct equation?