A randomized 100 question test from a pool of 1236 questions, good luck!
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 type of fire extinguisher can have a large tapered nozzle?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
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?
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 a flame-proof enclosure?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
A battery has a rating of 80Ah, this means it can supply
The MSDS for each controlled product must be:
"This workplace hazard consists of substances, mixtures and materials that can be classified according to their health risks and dangers." This statement best describes which of the following hazard groups?
How many electrons does 134.5 x 10¹⁹ represent?
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 "SS" refer to?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
(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?
"Hydrostatic" pressure is sometimes referred to as
When making a span adjustment, what is the first adjustment made?
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.
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
"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?
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
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.
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
The standard unit of conductance is which of the below?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 1000 hours a year?
(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 "C"?
(310102m) A capacitor's voltage decreases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full discharge in a typical capacitor?
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 several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "A" in the picture below?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
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
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
In the fraction A/b, is A the denominator?
Linear motion negative feedback system consists of:
If a tool increases from $43 to $76, what is the percentage increase?
There are a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Which type of valve is pictured below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with other toxic effects?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
There are several different ways to apply force to an actuator. Which one of the methods below would a pneumatic source of air not be required for operation?
The symbol for a amperes is which of the below?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an decrease in resistive load?
8 coulomb of charge requires how many electrons?
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"
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?
Which of these pressure to force converters has two diaphragms soldered together?
What is the basic unit of matter?
(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 numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
"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?
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 only?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
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?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
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
(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??
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
Convert ¹⁰⁄₁₅ to a decimal.
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
convert 4 ⁴⁄₁₁ to an improper fraction.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
The standard unit of resistance is which of the below?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
Calculate the normal force exerted by an object that has a mass of 6732 grams
(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??
What is the main purpose of valve positioners?
The volume of a sphere is calculated with which correct equation?
The symbol for a voltage drop is which of the below?
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
(310101c) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
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?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
Convert the following quantities to the units asked for: 27000 seconds to hours.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?