A randomized 100 question test from a pool of 1236 questions, good luck!
If heat is added to a metal, does it expand?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a flame-proof enclosure?
Of the terms below, what is "Work" measured in?
(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"?
"An angle of 90°" is a description of which mathematical term?
To move 250 C across two points. when the voltage is 20 V, how much energy is required?
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
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 short circuit current?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
The outermost shell of an atom is called the valence shell.
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
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
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
Angle motion negative feedback system consists of:
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?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
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
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
Which of the following is not affected by a positioner?
(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 in line and one pipe connector?
(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?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
Solve for the hypotenuse.
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
Determine the volume of a tank in meters cubed, with the dimensions of 2.56 m, by 4.36 m, by 1.30 m
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
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?
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?
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?
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 largest diameter of the thread?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
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 relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
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?
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?
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 7.5 cm and the effective area of the diaphragm is 0.02 m².
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?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
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
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
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.
"Is an area where no movement occurs with the actuators change in direction." describes which term?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
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?
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
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?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
Which type of valve is pictured below?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
"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?
With a direct acting actuator, as air pressure increases:
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?
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?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
What is the name of the part of a drill bit that carries the cut material out of the hole that is being drilled?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
If a pressure change of 20 kPa to 90 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 5.5 cm and the effective area of the diaphragm is 0.065 m^2
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
"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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
What is the SI unit of force?
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
Convert the following quantities to the units asked for: 27000 seconds to hours.
The area of a circle is calculated with which correct equation?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
State the number 0.004675 using scientific notation and round the answers to three significant digits.
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
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?
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.