A randomized 100 question test from a pool of 1236 questions, good luck!
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?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standards set for employers?
Solve for the missing side.
Linear motion negative feedback system consists of:
When an atom loses an electron, it is commonly referred to as which of the below?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
"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 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?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
The symbol for a amperes is which of the below?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
In the SI system, the unit used for mass is?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
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?
What is usually referred to when loading an ammeter?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "ia" equipment can withstand?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
When used to cut mild steel. what is the recommended angle for a cold chisel?
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
Express ³²⁄₄₄ as a percent.
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
Which of the valves below would be used for isolation on each side of a control valve?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would the process fluid need to pass through the instrument for accurate measurements?
What are the three areas of WHMIS?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
There are several advantages and limitations to installing a galvanically isolated barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
State the number 13487000 using scientific notation and round the answers to three significant digits.
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
When an atom gains an electron, it is commonly referred to as which of the below?
Gauge pressure is calculated by?
In a baffle-nozzle-restrictor motion detector the:
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate mass?
"A pneumatic relay that is used to reduce the time lag in pneumatic circuits by reproducing pneumatic signals with high-volume and or high-pressure output." is the best description of which term below?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
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 displacement of the car?
"To cause the valve to open, an increase in pressure to the actuator is required" is the definition of?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
Solve for the hypotenuse.
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
When making a span adjustment, what is the first adjustment made?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
Convert 4 ⅞ to an improper fraction.
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as a refinement in a measurement?
Of the valves below, which would be best for erosive service?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Convert the following quantities to the units asked for: 4572 cm to yards.
"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?
Calculate the relative density for a fluid that has a density of 748 kg/m³
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
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?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the creation of two equal ranges from standard range?
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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
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?
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?
(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?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
In the SI system, the unit for time is?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
Newton's third law is also known as?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
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?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
"The results of a devices inelastic quality" is a definition of which term?
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 R1?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measurement that compares the amount of matter an object has to compared its volume.