A randomized 100 question test from a pool of 1236 questions, good luck!
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
Materials with one to three electrons in their valence shell are considered what?
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
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?
What item would be used on a pneumatic system to speed up the pneumatic signal?
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?
The prefix "giga" can be expressed as?
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?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
What type of flux is generally used the most in electronic soldering?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
The basic unit of matter is called?
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 general purpose?
When making a span adjustment, what is the first adjustment made?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
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?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
What is the term used to describe the total opposition to current flow in an AC circuit?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
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 area of a circle is calculated with which correct equation?
Covert 3 ⅘ to an improper fraction
(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 installation of cathodic protection?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve having the solder flow toward the heat over the joint?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
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?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
State the number 13487000 using scientific notation and round the answers to three significant digits.
(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?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
(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?
Of the list below, what is the standard unit of quantity of electricity in the International System of Units (SI)?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
From the information given in the diagram below, what is the current flowing on branch R3?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
(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 2 circuits that are controlled remotely?
Faraday's law of induction states:
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?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
(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?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Newton's second law is also known as?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
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 largest diameter of the thread?
In the SI system, the unit used for mass is?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
In a baffle-nozzle-restrictor motion detector the:
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
(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 2 power circuits that are considered low energy?
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.
"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?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
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?
1 pound force is equal to
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
A battery has a rating of 80Ah, this means it can supply
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 fluid level if the transmitter signal is 56 kPa
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?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
Solve for the hypotenuse.
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?
"pressure developed by a column of liquid" is the definition of which term
(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 tube to tube?
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?
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?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best used to support an in-line instrument?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
(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 tubing around a tight corner?
Solve for the missing side.
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the reaction of a capacitor if you replaced a resistor with a smaller one in a simple circuit?