A randomized 100 question test from a pool of 1236 questions, good luck!
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
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
Convert ¹⁸⁄₅ to a decimal.
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.
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to certification markings
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
What is the pressure generated by a mass of 5 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 require constant replacement?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
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 3.5 cm and the effective area of the diaphragm is 0.05 m^2
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
A multi-wheel cutter is used when
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
What is the formula that the pneumatic relays amplification or gain is expressed by?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
What is the purpose of the PTC switch in a lithium battery?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
In the WHMIS system, "Dangerously reactive material" 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.
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
Of the adjustments below, which is the most common adjustment made?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
Faraday's law of induction states:
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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?
Convert ¹⁰⁄₁₅ to a decimal.
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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?
The outermost shell of an atom is called the valence shell.
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 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
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
(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?
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?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
Which of the following measurements cannot be performed by a sliding caliper?
In the WHMIS system, "Flammable and combustible material" is represented by which hazard class? Choose from the following answers.
If heat is removed from a metal, does it contract?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
Isolate for "v" in the following equation: d=vt
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
(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?
In the SI system, the unit used for mass is?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
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 force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
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?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
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?
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."?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
Convert 16.5 psi into kPa
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
The volume of a cylinder is calculated with which correct equation?
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?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
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.
What is the SI unit of pressure?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
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?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol 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 connecting larger OD tube to a smaller OD tube?
In a baffle-nozzle-restrictor motion detector the:
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
"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?
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?
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?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
"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."
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for oxidizing material?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
What are the three areas of WHMIS?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
If a closed tank is pressurized to 114.345 kPa and the pressure gauge at the bottom of the tank reads 165.456 kPa, what head (in feet) of a liquid with a R.D. of 0.83 is contained in the tan
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?