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Instrumentation: FIRST PERIOD

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

To move 250 C across two points. when the voltage is 20 V, how much energy is required?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
Which type of pilot valve has one supply connection and two output connections?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
"The production of an electromotive force in one circuit by a change in current in a separate circuit." is the best description of which of the terms below?
What is the SI unit of pressure?
"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 CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
(310101c) There are a wide variety of tubing fitting types. Which of the fittings below would best be used when terminating tube connections?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
"pressure developed by a column of liquid" is the definition of which term
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
"The displacement divided by the total time to complete the change." is the description of which mathematical term?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
When taping a blind that does not go through the metal, the proper steps to tap it are:
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
Tube fittings can be put into three general categories, each with distinct components. Which of the categories below includes a bite type fitting?
True force balance negative feedback system consists of:
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 "i" 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?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
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?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
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?
From the information given in the diagram below, what is the voltage drop over R2, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
One coulomb is equal to how many electrons?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
Convert the following quantities to the units asked for: 4572 cm to yards.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
(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 2?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
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?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
"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?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure visual indicator only?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
When making an angularity adjustment, what is the first adjustment made?
What power of soldering station is used for electronic soldering?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for flammable material?
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 "⅜" refer to?
(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 Class 2 power circuits that are considered low energy?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
14.696 psia is equal to?
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 best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
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?
If a closed tank is pressurized to 135.345 kPa and the pressure gauge at the bottom of the tank reads 172.456 kPa, what head (in feet) of a liquid with a R.D. of 0.14 is contained in the tan
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
(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, prior to any work, the administrative procedures to be in place?
The symbol for a amperes is which of the below?
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 types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
The prefix "giga" can be expressed as?
(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??
To move 225 C across two points. when the voltage is 45 V, how much energy is required?
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
(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??
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 3-15 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
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?
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?
Isolate the following equation for "v": d=vt
If a closed tank is pressurized to 111.345 kPa and the pressure gauge at the bottom of the tank reads 160.456 kPa, what head (in feet) of a liquid with a R.D. of 0.38 is contained in the tan
There are subgroups of fuel for fires need to burn. Which of those subgroups would NGLs belong?
The perimeter of a rectangle is calculated with which correct equation?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
What are the two main systems of negative feedback?
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 R3?
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?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would a soldering pencil best refer to?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for determining the equivalency of training done outside Alberta?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
The main function of a valve positioner is which of the below?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
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?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
To alter the pressure setting of a regulator, you would adjust what?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
The ability of a material to concentrate magnetic lines of force within a material is called?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?