A randomized 100 question test from a pool of 1236 questions, good luck!
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?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for converting a measured PV into an output signal?
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
What are the three main elements of a regulator?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
What is the SI unit of force?
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?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
(310104b) Valve disassembling is a fundamental part of the Instrumentation trade. Which of the hazards below would be of primary importance to eliminate when disassembling a sliding stem actuator?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
There are some troubleshooting issues that can arise while soldering. Which of the issues below would be best described as a heat transfer loss from the soldering tip?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
(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?
(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?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting 4 tubes together?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
What are the two main systems of negative feedback?
If a closed tank is pressurized to 10 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.78 is contained in the tank
A _________ has the air connection usually above the diaphragm
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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 resistance to an open circuit?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
What is the smallest charged particle?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
If a closed tank is pressurized to 121.345 kPa and the pressure gauge at the bottom of the tank reads 175.456 kPa, what head (in feet) of a liquid with a R.D. of 0.56 is contained in the tan
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"A triangle in which all three sides are equal." is a description of which mathematical term?
In the SI system, the unit for length is?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
(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?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
What is the density of water?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
1 pound mass is equal to?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure increase?
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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
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
The best description for "Span error" in relation to calibrating instruments is which of the following?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
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?
Proper choices need to be made with the mounting of instruments. Which of the answers below would be a disadvantage of a instrument stand that has a cable mount?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
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?
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 fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
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
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." 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 LPGs belong?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
1 psi is equal to _____ kPa
(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?
"The results of a devices inelastic quality" is a definition of which term?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier at the open end of a process pipe?
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?
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?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI absolute temperature scale?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
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?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?