A randomized 100 question test from a pool of 1236 questions, good luck!
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.
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?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as the number of magnetic lines of flux that pass through a certain point on a surface?
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 flame-proof enclosure?
"Is not designed for continuous occupancy, and has limited or restricted means for entry or exit." This statement best describes which of the following terms?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
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?
Which of the valves below would be used for isolation on each side of a control valve?
Convert ¹⁰⁄₁₅ to a decimal.
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
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?
With a reverse acting actuator, as the pressure increases:
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?
1 pound mass is equal to?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
The outermost shell of an atom is called the valence shell.
(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?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
(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 many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
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?
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?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
What percentage of 35 is 21?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
Which of the terms below is measured in "Joules"
Using the Pythagorean Theorem solves for which mathematical term?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
This valve is primarily used in slurry service and is not over 8 inch in general
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
"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?
An I/P transducer is a positioner.
From the information given in the diagram below, what is the current flowing on branch R1?
Solve the equation:(4)(5)+4
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
The prefix "Micro" can be expressed as?
If the total error is 1.4 and the dead band error is is 0.6, what is the hysteresis value?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
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"?
The trigonometric ratio of tangent is calculated with which mathematical equation?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
(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 offset and one pipe connector?
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?
State the number 13487000 using scientific notation and round the answers to three significant digits.
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?
Which pressure to force converter is typically used in dial indicating pressure gauges?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
"_________ 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.
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.
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
The best description for "Span error" in relation to calibrating instruments is which of the following?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
Convert 0.500 to a fraction.
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
A "wheel and axle" is an example of which type of machine?
(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 power circuits that are extremely low voltage?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
(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?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Gauge pressure is?
8 coulomb of charge requires how many electrons?
What are all the variables that can be measured when dealing with gases?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?