A randomized 100 question test from a pool of 1236 questions, good luck!
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
An I/P transducer is a positioner.
To move 100 C across two points. when the voltage is 15 V, how much energy is required?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
(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 grounding circuits that are isolated?
Choose the correct order of mathmatical operations.
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
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?
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 increase in resistive load?
What is the density of water?
(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?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
"_________ 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.
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
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.
The supplier label:
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
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?
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.
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
A _________ has the air connection usually above the diaphragm
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
(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?
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?
There are several equations related to magnetism. Which of the terms below is represented by the equation "Ꙡᵣ=μₘ/μₒ"?
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.
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
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?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "The amount of opportunities for the atoms of the conductor to affect current flow per linear unit"
"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?
"Is an area where no movement occurs with the actuators change in direction." describes which 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?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
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?
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 categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
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?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
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.
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below requires a flared tube end, nut and sleeve?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
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
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
From the information given in the diagram below, what is the voltage drop over R3, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(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"?
(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 control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
State this fraction as a mixed fraction: ⁵⁵⁄₈.
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
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?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious biohazardous material?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting 4 tubes together?
(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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
Angle motion negative feedback system consists of:
(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?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
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.
Which type of valve is pictured below?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
(310103f)There are several methods for measuring process variables. Which of the transmitters below would use cavities filled with oil used as a dielectric in the creation of an output signal?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
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 "A method that attempts to physically separate or isolate the electrical parts or hot surfaces from the explosive mixture."?
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?
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?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?