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Instrumentation: FIRST PERIOD

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

(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would generally not be used to protect current electronic instrumentation?
In a series circuit what percentage of the applied voltage would appear across an open circuit?
(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 instruments in a hazardous location?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
(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?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
Convert the following quantities to the units asked for: 27000 seconds to hours.
Materials with five or more electrons in their valence shell are considered what?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"Increased flow rates occur at the end of the valve stroke, with low flow rates at the initial opening of the valve." is the best description of which of the terms below?
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?
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?
In what kind of circuit would all of the applied voltage appear across an open circuit?
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 method of expressing numbers in terms of a number between 1 and 10 multiplied by a power of base 10" is a definition of what?
The equation to calculate density is?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
Electromagnetism is a property of electrical charges moving through materials. Use one of the answers below to correctly fill in the blanks of the following sentence, "A magnetic fields strength in close proximity to conductor is _________ to the amount of current flowing through it."
(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?
60% of 54 is what?
(310102c) Resistors have several construction methods. Which of the resistors below would have the capacity to change its resistance value?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
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?
(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?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
To preform a "Span" adjustment the order of the step(s) is/are?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as both a measuring and loading element?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would a "hose test" pass be required?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
What are the two types of magnet?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
Solve the equation:(4)(5)+4
(310103d) There are several different designs of regulator. Which of the designs below would make use of a weight for a loading element?
"5 x 7=7 x 5" is an example of which mathematical law?
State the number 469.4 x 10¹⁵using engineering notation and round the answers to three significant digits.
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
A control valve is to have a stem travel of 5.6 cm. The diaphragm in use has an area of 0.09m². What strength of spring must be used if the desired pressure change from from 40 kPa to 110 kPa will fully stroke the valve?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
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 a number of common parts to any valve. Which of the terms below would best be described as the object supplying the opening or closing motion of the valve?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
(310105d) Scalar quantities are all a measurable amounts. Which of the answers below would "Power" use as it's unit of measurement?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
What is the absolute pressure of a vessel given a barometric pressure of 78 kPa and a gauge reading of 90 kPa
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
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?
State 3 ⅞ as a mixed fraction.
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
"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?
(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?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
Express 60% as a reduced fraction.
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
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 2 fixed terminals and a sliding contact?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is Amperes of the circuit?
The standard unit of resistance is which of the below?
What is the name of the tool used to cut internal threads after drilling a hole?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "work" part of that equation?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
If it were required to provide a regulated output that was at a lower set value, which device below would be used?
Chart recorders still have a place in industry for specific applications. Which of the applications below would be used to fulfill AER requirements at royalty trigger points for natural gas?
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
The following statement is the best description of which of the terms below, "The electric dynamic that sustains the charge difference in a circuit."?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
The ability of a material to concentrate magnetic lines of force within a material is called?
If a compound were to be broken down into its simpler components, of the options below, what would it be called?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
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?
The outermost shell of an atom is called the valence shell.
(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?
A standard pipe size chart will have piping up to 24". At which pipe size does the OD in inches, match the NPS in inches?
101.325 kPa is equal to?
In the SI system, the unit of force is?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
A battery has a rating of 80Ah, this means it can supply
1 psi is equal to _____ kPa