A randomized 100 question test from a pool of 1236 questions, good luck!
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
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 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
When making an angularity adjustment, what is the first adjustment made?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
(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?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
What is usually referred to when loading an ammeter?
(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?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
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?
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?
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of which of the terms below?
(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 it with a larger one in a simple circuit?
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 smallest diameter of the thread?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
Which of the following measurements cannot be performed by a sliding caliper?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(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
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
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?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
A pneumatic level transmitter, with an output range of 20-80 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-17 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
(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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
Materials with four electrons in their valence shell are considered what?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
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?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
What type of flux is generally used the most in electronic soldering?
What does the term "Cv" represent in calculating pressure drop?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
With a direct acting actuator, as air pressure increases:
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
Of the terms below, what is "Power" measured in?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
"An element or device which receives information in the form of 4-20 mA and coverts it to information in the form of 3-15 psig." is the best description of which of the terms below?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
"5 x 7=7 x 5" is an example of which mathematical law?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
What is the term used to describe the total opposition to current flow in an AC circuit?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
In the SI system, the unit for length is?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
Of the valves below, which would be best for erosive service?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
1 pound force is equal to
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
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?
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
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?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
In the SI system, the unit of force is?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R1?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
(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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that blocks any excess voltage from gaining access to a hazardous area?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
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?
Convert ⁸⁄₁₉ to a decimal.
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
In industry, electrostatic hazards are very important to understand. Which of the terms below is best described as a swift discharge of electric current between two objects with different charges and different numbers of electrons?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?