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Instrumentation: FIRST PERIOD

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

The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
In the fraction A/b, is A the denominator?
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?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
The Alberta AIT Board has many responsibilities. Which of the answers below represents the Boards main responsibility?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
"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 many terms for specific electrical components. Which of the components below is best described as a passive electronic component that stores energy in the form of an electrostatic field?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
In the SI system, the unit of force is?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
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?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
(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 it with a larger one in a simple circuit?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described a a device that produces linear motion from a source of power to control the flow of .energy of a process?
The perimeter of a Triangle is calculated with which correct equation?
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?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
Gauge pressure is calculated by?
A pressure gauge at the bottom of a tank indicates a pressure of 7.9 psi. The relative density of the liquid is 0.87. What is the depth of the liquid in feet?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
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?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
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.
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
(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?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
What type of cell is a lithium constructed battery?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
The standard unit of conductance is which of the below?
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 grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
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 "ib" equipment can withstand?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between metal conduit and cable tray?
In what kind of circuit would all of the applied voltage appear across an open circuit?
What percentage of 35 is 21?
(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?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
(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?
There are many different parts to a galvanically isolated barrier. Which of the components below limits the voltage in a short circuit condition?
Convert 4 ⅞ to an improper fraction.
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
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
Solve for the missing angle.
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
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 inside the magnet?
(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??
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
(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 through the side wall of an enclosure?
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?
Calculate the relative density for a fluid that has a density of 748 kg/m³
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Solve for x: (3)(5)+9=x
(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?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
There are two different classification of magnets. Which of the items below would be considered a permanent magnet?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
Lifting a load with rigging is an involved and potentially dangerous task. When working with slings, which of the angles below is the commonly used safe lifting angle?
"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?
What is the SI unit of pressure?
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."
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.
Which of the following measurements cannot be performed by a sliding caliper?
"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?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the 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?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
With a direct acting actuator, as air pressure increases:
"The results of a devices inelastic quality" is a definition of which term?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
Worker education is the responsibility of the:
The volume of a cube is calculated with which correct equation?
A volume booster is not a positioner.
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
746 Watts is equal to which of the terms below?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
The prefix "Mega" can be expressed as?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
"A triangle where one of its interior angles is 90 degrees." is a description of which mathematical term?