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Instrumentation: FIRST PERIOD

A randomized 100 question test from a pool of 1236 questions, good luck!

The symbol for a voltage drop is which of the below?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
The CEC generates a air grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Propane belong to?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
The volume of a sphere is calculated with which correct equation?
Each one of the installations of purge/pressurization has its own requirements for internal equipment. Which of the installations below would be able to use equipment rated as Zone 2?
State the number 3521.785 x 10³ using decimal 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 "3"?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
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 10, but less than 1000 hours a year?
Gauge pressure is calculated by?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
State the number 13487000 using scientific notation and round the answers to three significant digits.
(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 type of flux is generally used the most in electronic soldering?
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?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?
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.
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
Newton's third law is also known as?
A moment balance negative feedback system is a force balance system?
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?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
State ⁶⁵⁄₁₄ as a mixed fraction.
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described as a measure of how much matter is in an object?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
(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??
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
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 explosion-proof enclosure?
If heat is added to a metal, does it expand?
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?
State 3 ⅞ as a mixed fraction.
Choose the correct order of mathmatical operations.
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
What is the name of the tool used to cut internal threads after drilling a hole?
From the information given in the diagram below, what is the voltage drop over R1, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
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?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
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?
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
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?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
(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 several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
There are two very common types of metric vernier calipers. If the caliper that you are using has 1mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
A _________ has the air connection usually above the diaphragm
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
"A hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
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?
"An angle is one which is more than 90° but less than 180°" is a description of which mathematical term?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
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?
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."?
(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 larger one in a simple circuit?
(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?
In what kind of circuit would all of the applied voltage appear across an open circuit?
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
The result of a _______ actuator is installed with a ________ valve will be air-to-close
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
The supplier label:
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
In a simple circuit, if I= 6 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
A "wheel and axle" is an example of which type of machine?
The prefix "Milli" can be expressed as?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
(310104d) There are several features available on valve positioners in industry today. Which of the features below can be best described as one that uses negative feedback in it's operation?
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?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
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 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.
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?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
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?
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?
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?