A randomized 100 question test from a pool of 1236 questions, good luck!
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
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?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
What is the SI unit of pressure?
Calculate the normal force exerted by an object that has a mass of 6732 grams
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
State 3 ⅞ as a mixed fraction.
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
(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 standards set for employers?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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?
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?
(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?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
"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?
State the number 0.004675 using scientific notation and round the answers to three significant digits.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "6"?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
There are three types of radiant energy that is given off by a typical welding arc. Choose the one that does not apply from the answers below.
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
Calculate the gain when a change from 0.85 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 18 psig in the relay output occurs.
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use capacitor plates in the creation of an output signal?
For every gas law there is a corresponding equation. Which of the gas laws below developed with the addition of Avogadro's Gas Law?
"5 x 7=7 x 5" is an example of which mathematical law?
Worker education is the responsibility of the:
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
In the fraction A/B, is A the numerator?
In a baffle-nozzle-restrictor motion detector the:
How many electrons does 134.5 x 10¹⁹ represent?
(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?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
convert 56.7 psi to kPa.
The result of a _______ actuator is installed with a ________ valve will be air-to-close
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 between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
(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 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?
(310103d) There are several different designs of regulator. Which of the elements below are you affecting when you adjust spring compression?
(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 instruments in a hazardous location?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
Which pilot valve has two common supply connections, and two connections for output?
(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?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
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?
When an atom gains an electron, it is commonly referred to as which of the below?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
The two main functions of a negative feedback system are:
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
If a closed tank is pressurized to 30 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 0.45 is contained in the tank?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
65% of 765 is equal to?
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."?
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?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
Which of the electrical terms below can be best described as one that "internally converts stored chemical energy into electrical potential energy."
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
Convert 0.500 to a fraction.
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
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?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
State the number 789342.61 using decimal notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be to used in squaring the drive arm and link as well as the range arm?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "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 visual indicator only?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
If angle "Y" is equal to 28 degrees, solve for angle "X"
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?