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Instrumentation: FIRST PERIOD

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

In the SI system, the unit for length is?
The radius of a circle is calculated with which correct equation?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
(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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
65% of 765 is equal to?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
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?
(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?
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?
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.
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
State the number 7.428 using scientific notation and round the answers to three significant digits.
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?
Bourdon measuring elements have tubes that are classified into three broad categories. which of the tube types below would be the most sensitive to pressure changes?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
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 equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
If a pressure change of 20 kPa to 60 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 0.09 m^2
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁T₂=V₂T₁"?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
One coulomb is equal to how many electrons?
(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 signal circuits that are considered Class 1?
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?
A _________ has the air connection usually under of the diaphragm.
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
Under the Workers compensation act, are apprentices and learners entitled to compensation?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
The equation to calculate density is?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Work" use as it's unit of measurement?
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."
Which pressure to force converter is typically used in dial indicating pressure gauges?
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
Materials with one to three electrons in their valence shell are considered what?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to a Class I, Zone 2?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
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?
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?
(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 3 tubes together?
(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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
Choose the correct order of mathmatical operations.
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
The ratio 3.4:2.5 equal to?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
"Is an area where no movement occurs with the actuators change in direction." describes which term?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
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?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
"A two ratios that are equal in an equation." is a description of which mathematical term?
Convert 16.5 psi into kPa
(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 installation of cathodic protection?
(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?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
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?
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?
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?
If the total error is 1.7 and the dead band error is is 0.5, what is the hysteresis value?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
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
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
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.
(310105d) Efficiency is one of the benchmarks that is used for rating machines. Which of the measurement units below is used with efficiency itself?
Convert 18.5 psi into inches W.C.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
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?
Calculate the relative density for a fluid that has a density of 748 kg/m³
Solve for x: (3)(5)+9=x
The point when increasing current will not increases magnetism in an electromagnet is call?