A randomized 100 question test from a pool of 1236 questions, good luck!
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
Factors affecting induced voltage include:
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
State 7 ⁹⁄₁₇ as an improper 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?
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 smallest diameter of the thread?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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 several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
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?
Angle motion negative feedback system consists of:
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
Worker education is the responsibility of the:
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
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
Convert 0.125 to a fraction.
Calculating absolute pressure is achieved by?
"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?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
(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 leak-proof at any temperature or pressure
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?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "a localized electric current induced in a conductor by a varying magnetic field."?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
Solve for the missing angle.
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
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?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Convert ¹⁸⁄₅ to a decimal.
"pressure developed by a column of liquid" is the definition of which 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 signal circuits that are considered Class 1?
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
"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?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
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?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
What percentage of 35 is 21?
34.450 in engineering notion is what?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
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?
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
The symbol for a voltage source is which of the below?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
Which organization sets standards for boots and safety glasses in Canada?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
Solve for the hypotenuse.
In what kind of circuit would all of the applied voltage appear across an open circuit?
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 is the density of water?
The point when increasing current will not increases magnetism in an electromagnet is call?
How many electrons does 134.5 x 10¹⁹ represent?
What power of soldering station is used for electronic soldering?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
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?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
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 10, but less than 1000 hours a year?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
State the number 479.3 using engineering notation and round the answers to three significant digits.
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly fill the blank in the statement, "The generation of an electrostatic charge is ________ in conditions that are humid?"
In the SI system, the unit of force is?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
(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
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
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?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
If a pressure change of 20 kPa to 100 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 0.02 m².
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
The perimeter of a rectangle is calculated with which correct equation?
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 final velocity of the car?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?