A randomized 100 question test from a pool of 1236 questions, good luck!
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
The two main functions of a negative feedback system are:
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
The area of a circle is calculated with which correct equation?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure increase?
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.
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
What is the term used to describe the total opposition to current flow in an AC circuit?
5 coulomb of charge require how many electrons?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
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?
The main function of a valve positioner is which of the below?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
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 audible alarm, fuse and an interlock?
Of the clothes to wear while cutting, welding or grinding, choose from the answers below the best material to have.
(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?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
From the information given in the diagram below, what is the voltage across each resistor?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
Which term can be defined as the pressure measured from absolute zero?
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?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 45 lbf?
(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?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
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?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
1 kPa is equal to _____ psi
If heat is removed from a metal, does it contract?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
What are all the variables that can be measured when dealing with gases?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
A magnetic field is set up between the the two poles of a magnet. Which of the answers below would the represent the flow direction outside the magnet?
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?
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?
The basic unit of matter is called?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
When selecting a hammer to use, what would "weight of head" help determine?
If a tool increases from $43 to $76, what is the percentage increase?
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.
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
When making a span adjustment, what is the first adjustment made?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
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?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
The equation to calculate density is?
Convert ⁸⁄₁₉ to a decimal.
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
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?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
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 transporting workers?
The volume of a sphere is calculated with which correct equation?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
101.325 kPa is equal to?
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 two different ways of identifying general purpose tube. If you see "4 mm-SS-1.452" printed on the outside of the tube, what would the
In the fraction A/b, is A the denominator?
The trigonometric ratio of sine is calculated with which mathematical equation?
(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??
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"
Gasses react to the increase or decrease of pressure in measurable ways. Which of the terms below describes the reaction of an enclosed gas to a pressure decrease?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
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
Which of the following measurements cannot be performed by a sliding caliper?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
Newton's first law is also known as?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
The prefix "Mega" can be expressed as?
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
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?
(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 2 circuits that are controlled remotely?
(310102m) The charging and discharging of a capacitor is a mathematical relationship. In the equation, τ=R x C, which of the answers below would best refer to the "R"?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
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 R3?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
What is the basic unit of matter?