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Instrumentation: FIRST PERIOD

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

There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
The prefix "Centi" can be expressed as?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
"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?
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?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
Which organization sets standards for boots and safety glasses in Canada?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
Convert ⁸⁄₁₉ to a decimal.
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?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
If a closed tank is pressurized to 103.345 kPa and the pressure gauge at the bottom of the tank reads 145.456 kPa, what head (in feet) of a liquid with a R.D. of 0.37 is contained in the tank?
Newton's second law is also known as?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "μ" represent?
"A flow characteristic that provides maximum change in flow rate at initial valve stroke opening." is the best description of which of the terms below?
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?
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
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 0-12 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
Convert 0.125 to a fraction.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
1 mechanical, or imperial, horsepower is equal to which of the below?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
A battery has a rating of 80Ah, this means it can supply
How many electrons does 134.5 x 10¹⁹ represent?
There are several different ways to apply force to an actuator. Which one of the methods below would a scotch yoke actuator use for operation?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
(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 larger OD tube to a smaller OD tube?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "the point at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied."?
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
The prefix "Kilo" can be expressed as?
In relation to hacksaws, "pitch" is referred to as?
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
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?
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?
Solve for the missing side.
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
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
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
A true force balance negative feedback system is a force balance system?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power delivered by the battery?
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 increase?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
What is the name of the tool used to cut internal threads after drilling a hole?
The volume of a cube is calculated with which correct equation?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
"6(5+15)=(6 x 5)+(6 x 15)" is an example of which mathematical law?
"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?
There are numerous types and styles of valves in industry. Which of the actuators below best represents the following picture?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
Using the Pythagorean Theorem solves for which mathematical term?
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 letter "C" in the picture below?
Newton's first law is also known as?
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.
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
(310103f) There are several components used in measuring and controlling a process variable. Which one of the components below would be responsible for receiving an output signal and converting that into a PV value?
The basic unit of matter is called?
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?
Calculate ⁶⁄₇ ÷ ⁴⁄₅, and state answer as a proper or mixed fraction
Lenz Law states:
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be connected to a flange that was one-holed?
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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
Which of the terms below is measure in "watts"
If a closed tank is pressurized to 16 psig and the pressure gauge at the bottom of the tank reads 31 psig, what head (in meters) of a liquid with a R.D. of 0.37 is contained in the tank
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?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
An I/P transducer is a positioner.
State the number 789342.61 using decimal notation and round the answers to three significant digits.
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
Electrostatic generation can be happen in many conditions. Which of the answers below would correctly identify one of those conditions?
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?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
How is the term "Cv" calculated?