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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 of force is?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
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?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
What does the term "Cv" represent in calculating pressure drop?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
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 non-hazardous?
The prefix "giga" can be expressed as?
Of the adjustments below, which is the most common adjustment made?
(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?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
A true force balance negative feedback system is a force balance system?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
Choose the answer below that has the words in order to correctly fill in the blanks. "A ______ in per unit volume temperature of a conductor, offers ______ resistance to current"
(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 tube to tube?
34.450 in engineering notion is what?
Solve for x: 45-200÷10=x
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 elevators used by the public?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R2?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "0.036" refer to?
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
Convert 88 PSI to kPa
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
The volume of a sphere is calculated with which correct equation?
How many electrons does 134.5 x 10¹⁹ represent?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
In the WHIMIS system, the workplace labels must display 3 pieces of information. Of the answers provided, choose the one that is not needed.
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?
The inert purge gases for GMAW and GTAW welding processes are non-toxic, but are still dangerous. In what situation below would these gases be a danger?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a nickle-chromium resistance wire?
There are two different ways of identifying general purpose tube. If you see "⅜ in-SS-0.036" printed on the outside of the tube, what would the "SS" refer to?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Of the valves below, which would be best for erosive service?
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
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."?
(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
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A conductor is passed through a magnetic field and a voltage is induced, whose law is this?
Gauge pressure is calculated by?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
1 kPa is equal to _____ psi
Solve for the hypotenuse.
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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given 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 4 tubes together?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
If, for every 15 C of charge, 45 J of energy is available, what is the voltage?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
(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 conductor type and use?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
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?
Convert the following quantities to the units asked for: 4572 cm to yards.
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
To perform a "Zero" adjustment the order of step(s) is/are?
To alter the pressure setting on a regulator what element would you adjust?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
True force balance negative feedback system consists of:
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
In the fraction A/B. is B the numerator?
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.
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
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?
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?
In a simple circuit, if E=4 V and R=1.75 ohms, what is the current of the circuit?
What is the basic unit of matter?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
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 several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
What is the smallest charged particle?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
There are several types of measuring elements used in industry. Which of the answers below best represents the letter "C"?
Convert 45.9 kPa into psi
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
There are many terms for specific electrical components. Which of the components below is best described as a passive electrical component with the primary function to limit the flow of electric current?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Ohm's law states that:
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the difference between the highest and lowest error values
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction