A randomized 100 question test from a pool of 1236 questions, good luck!
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
Alternating current is bi-directional.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
Which of the following is not affected by a positioner?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
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?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
The prefix "Kilo" can be expressed as?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for suppliers?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
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?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
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 R2?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
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?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
What are the two main systems of negative feedback?
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.
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?
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
The symbol for resistance is which of the below?
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
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"?
If a closed tank is pressurized to 10 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 0.78 is contained in the tank
A battery has a rating of 80Ah, this means it can supply
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
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 floor of the container. Of the following answers, which gas would he be testing for?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "⅜" refer to?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
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?
Choose the answer below that has the words in order to correctly fill in the blanks. "A ______ in per unit volume temperature of a conductor, offers ______ resistance to current"
1 psi is equal to _____ kPa
A volume booster is not a positioner.
Materials with four electrons in their valence shell are considered what?
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?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
65% of 765 is equal to?
"Two external forces acting on an object or surface that are not in opposition of each other;" is a description of what type of stress?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁T₂=P₂V₂T₁"?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the current?
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?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
"Any point on a circuit where two or more current flows meet or are split." is the best description of which of the terms below?
A lithium cell can produce about _____ times the voltage of an alkaline cell.
In the fraction A/B. is B the numerator?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
(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?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
Covert 6 ¹¹⁄₁₃ to an improper fraction.
Lenz Law states:
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?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
What is the formula to calculate Hydrostatic peressure
Solve for the missing angle.
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
"A method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
convert 56.7 psi to kPa.
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Which term can be defined as the pressure measured from absolute zero?
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
There are several definitions used frequently in the CEC. "Limitation of current and voltage in the circuit prevents excessive heat and the formation of ignitable sparks" would best describe which of the answers below?
Solve the equation:(4)(5)+4
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"An angle of 90°" is a description of which mathematical term?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
"Is an electrical quantity that measures how the device or material reduces the electric current flow through it." is the best description for which of the terms below?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
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?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?