A randomized 100 question test from a pool of 1236 questions, good luck!
Of the answers below, which one is a disadvantage of a Pinch valve?
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?
(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?
The trigonometric ratio of tangent is calculated with which mathematical equation?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
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?
"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 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the current?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
The trigonometric ratio of cosine is calculated with which mathematical equation?
(310104b)There are many different valves to be used for different processes. Which of the valves below would best be used in a high pressure process?
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).
What power of soldering station is used for electronic soldering?
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.
(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 the grounding of less that 50V circuits?
5 coulomb of charge require how many electrons?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
The prefix "Milli" can be expressed as?
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?
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?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
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?
The prefix "Centi" can be expressed as?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
Solve for the missing side.
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
Which term can be defined as the pressure measured from absolute zero?
The area of a circle is calculated with which correct equation?
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."?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
"Two angles that add to 180 degrees," is a description of which mathematical term?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between cable tray and metal conduit?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
(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 the maintenance of instruments in hazardous locations of instruments?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
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?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
The area of a circle is calculated with which correct equation?
Gauge pressure is?
The ability of a material to concentrate magnetic lines of force within a material is called?
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 "ib" equipment can withstand?
The two main functions of a negative feedback system are:
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
Which of the terms below is measured in "Joules"
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
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 elevators used by the public?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
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?
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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
There are several different types of scribers used in industry. Which of the scribers below best represents the following picture?
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
In a baffle-nozzle-restrictor motion detector the:
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
(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
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
(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
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
What does the term "Cv" represent in calculating pressure drop?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
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?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical 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?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the workers rights and responsibilities?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
(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?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
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?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
In the SI system, what is the fundamental hydrostatic pressure equation
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
(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?
There are two very common types of metric vernier calipers. Which of the answers below best represents the minimum accuracy of a metric Vernier caliper?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
A volume booster is not a positioner.
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?