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Instrumentation: FIRST PERIOD

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

How is the term "Cv" calculated?
Copper tube is commonly available in two types of tempers. Which of the answers below best describes a tube that is slowly heated and cooled providing a soft flexible result?
One coulomb is equal to how many electrons?
Lenz Law states:
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Which type of valve is pictured below?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
The two main functions of a negative feedback system are:
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
The result of a _______ actuator is installed with a ________ valve will be normally closed, fail open
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
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?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 100 °C?
1 pound mass is equal to?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
True force balance negative feedback system consists of:
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
A mass of 7 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
"A way of concisely showing the relationship between two quantities." is a description of which mathematical term?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
Linear motion negative feedback system consists of:
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
A moment balance negative feedback system is a force balance system?
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
(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?
State the number 3521.785 x 10³ using decimal notation and round the answers to three significant digits.
Although there are numerous type of batteries, they all share a common construction. Which of the answers below contains all the required parts of a battery?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
(310101c) When ordering a GP copper tubing size, it has to be precise. Which of the measurements below would be used for ordering copper tube?
To move 75 C across two points. when the voltage is 10 V, how much energy is required?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Calculate ¾ x ⅚, and state answer as a proper or mixed fraction
State this fraction as a mixed fraction: ⁵⁵⁄₈.
Convert 0.875 to a fraction.
In the SI system, the unit for length is?
Using the Pythagorean Theorem solves for which mathematical term?
Maintaining all of the required PPE within the manufactures guidelines and in good working order is the responsibility of the________." Choose from the following answers to fill the blank.
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?
Modification of certain safety enclosures by mechanical means is allowed in certain conditions. Which of the answers below would describe the conditions is required for modification to an explosion-proof enclosure?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
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 equation to calculate density is?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
In Unified National nomenclature what does the "UNC" represent in this bolt class- 1/2-12-UNC 4A
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?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that moves the paper chart at a steady rate?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
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?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
"The results of a devices inelastic quality" is a definition of which term?
When making a span adjustment, what is the first adjustment made?
(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?
The volume of a cylinder is calculated with which correct equation?
To alter the pressure setting of a regulator, you would adjust what?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
The symbol for a amperes is which of the below?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the voltage delivered to the field device?
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 general purpose?
(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?
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
(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 1 circuits that are controlled remotely?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
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?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
What is the density of water?
"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?
If a battery has a rating of 75 Ah, theoretically it could provide 6.8 A for how long?
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?
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
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
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?
(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 1 power circuits that are extremely low voltage?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
CSA approved head, eye, and foot protection is required for all workers. This is best legislated by which of the following acts?
In the SI system, the unit of force is?
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
Which type of valve is pictured below?
The prefix "Centi" can be expressed as?