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Instrumentation: FIRST PERIOD

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

The volume of a cylinder is calculated with which correct equation?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area with easily ignitable fibers or flyings, but the concentration of these fibers or flyings are not in quantities that would produce ignitable mixtures?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
Choose the answer below that has the words in order to correctly fill in the blanks. "A per unit volume of free electrons that is _______, offers ______ resistance to current"
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
There are several grades of iron and steel. Which of the answers below best represents a material that is best suited for castings because of it's superior flow characteristics when melted?
"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?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
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 "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Ethylene belong to?
What is the area of a semi-circle with a diameter of 2.45m?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
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?
The perimeter of a rectangle is calculated with which correct equation?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
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?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
(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?
convert 4 ⁴⁄₁₁ to an improper fraction.
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
(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?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
A moment balance negative feedback system is a motion balance system?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
There are numerous steps to drilling with a power drill. Which answer below correctly identifies the size of the center punch mark in a piece to be drilled?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
Convert 175 psi to mmW.C. Barometer is 99.6 kPa(a)
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier at the open end of a process pipe?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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?
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
An I/P transducer is a positioner.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
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.
This pressure to force converter device is used in situations where space is limited?
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?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
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?
There are many terms associated with "Energy". Which term below is correctly described as, "the energy of an object in motion"?
A "wheel and axle" is an example of which type of machine?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "V₁n₂=V₂n₁"?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
Many electrical properties are a measured quantity, needing a unit of measurement. Which of the units below would be the correct unit of measurement for inductance?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
Factors affecting induced voltage include:
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
"The quantifiable change in position of an object, including how far the object travels and in what direction, before achieving it's final position." is the description of which mathematical term?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most able to discharge loads at high rates for an extended period of time?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
State the number 23.569 x 10¹³ using engineering notation and round the answers to three significant digits.
Which term can be defined as the pressure at any point in an atmosphere due solely to the weight of atmospheric gases above the point concerned
In the SI system, the unit used for mass is?
(310104a) There are only two major parts to a sliding stem control valve assembly. Which of the components below would best be described as a device that regulates flow with differential pressure??
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 terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "C" in the picture below?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
Isolate for "v" in the following equation: d=vt
Calculate the relative density for a fluid that has a density of 748 kg/m³
What is the density of water?
There are several definitions used frequently in the CEC."Containing any explosion originating within its housing and prevent sparks from within its housing from igniting vapors, gases, dust or fibers in the air surrounding it." would best describe which of the terms below?
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below can be best described as, "the ratio of the density of a substance to the density of water."?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
Newton's first law is also known as?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
Explosion-proof equipment has several components that make it effective. Which of the components below is a requirement for equipment to be considered explosion-proof?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "B"?
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 0-14 meters. What is the fluid level if the transmitter signal is 35 kPa
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
Lenz Law states:
There are many studies on how pressure and force affect fluids. "Horizontal runs do not increase pressure." is one of the principles of which answer below?
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?
(310103f) Strain type gauges are commonly found in industry. Which of the gauges below is known to be non-linear?
The CEC generates a gas grouping based on the potential combustion, and results of combustion. Which of the groups below would other dusts that are combustible belong to?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
(310103f) Strain type gauges are commonly found in industry. Which of the arrangements below would be used to compensate for temperature effects?
5 coulomb of charge require how many electrons?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a barrier that conditions signals received or transmitted to a hazardous area
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
There are several different notations on a length of pipe. Which of the notations below would have the largest pipe diameter?
State ⁶⁵⁄₁₄ as a mixed fraction.
Isolate the following equation for "v": d=vt
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the most common of those methods?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
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?
Isolating process lines with a physical barrier is one of the steps for safe field servicing of a control valve. Which of the blank types below would best be described a physical barrier between two flanges of sufficient diameter to fill the entire diameter of the pipe to prevent the passing of material beyond that point?
Solve for the hypotenuse.
"5 x 7=7 x 5" is an example of which mathematical law?
What size of resistor must be connected in series with a 10k potentiometer to get an output of 7V to 20V if the supply of the circuit is 20V?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?