A randomized 100 question test from a pool of 1236 questions, good luck!
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
"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?
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?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
There are several different ways to apply force to an actuator. Which one of the methods below would a rack and pinion actuator use for operation?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is referred to as "hard or rigid"?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
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.
"2+(9+7)=(2+9)+7" is an example of which mathematical law?
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?
Which of the terms below is measured in "Joules"
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill ABSA requirements?
The area of a circle is calculated with which correct equation?
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?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
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?
Solve for the hypotenuse.
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?
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
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?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
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.
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
(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??
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would convey the movement of the drive arm to the range arm?
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
What are the three main elements of a regulator?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
The MSDS for each controlled product must be:
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
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
The prefix "Mega" can be expressed as?
What type of flux is generally used the most in electronic soldering?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
If angle "Y" is equal to 28 degrees, solve for angle "X"
What are the three areas of WHMIS?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
"A quantity, such as mass, length, or speed, that is completely specified by its magnitude and has no direction." is a description of which mathematical term?
What volume does a substance that has a density of 1369 kg/m³ and has a mass of 4.50 kg?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
In the SI system, the unit used for mass is?
(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?
Calculate the gain when a change from 0.5 psig to 1.35 psig in nozzle backpressure and a change from 3 psig to 12 psig in the relay output occurs.
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
Which term can be defined as the pressure measured from absolute zero?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
The volume of a rectangle is calculated with which correct equation?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for rigging in general?
"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?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
Convert 0.625 to a fraction.
Lenz Law states:
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the final velocity of the car?
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."?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
From the information given in the diagram below, what is the total resistance if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
What are the two main systems of negative feedback?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
Newton's first law is also known as?
(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?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
A multi-wheel cutter is used when
When taping a blind that does not go through the metal, the proper steps to tap it are:
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
Reduce ¹²⁄₆₀ and state as a proper or mixed fraction.
Solve for the hypotenuse.
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?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?