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Instrumentation: FIRST PERIOD

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

"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
"5 x 7=7 x 5" is an example of which mathematical law?
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."?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
(310104b) Some valves require specialized components. Which of the components below would best be used to eliminate "end play".
When servicing or troubleshooting a valve there are several terms that are used for specific actions. Which of terms below would be associated with the verification an individual isolation?
1 mechanical, or imperial, horsepower is equal to which of the below?
What is the SI unit of force?
There are two very common types of metric vernier calipers. If the caliper that you are using has 0.5mm graduations on the beam, which of the answers below represents the graduations required on the Vernier scale?
The standard unit of resistance is which of the below?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
In a simple circuit, if I= 4 A and R=2 ohms, what is the voltage drop over the resistor of the circuit?
If a closed tank is pressurized to 105.345 kPa and the pressure gauge at the bottom of the tank reads 198.456 kPa, what head (in feet) of a liquid with a R.D. of 0.11 is contained in the tan
There is a measured rate of capacitor charging. Which of the terms below best relates to this concept?
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
There are electrical properties that are inherent to coils. Which of the answers below correctly identifies the properties that a coil possesses?
The prefix "Centi" can be expressed as?
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 decrease?
Convert ⁸⁄₁₉ to a decimal.
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?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the temperature at which a particular organic compound gives off sufficient vapor to ignite in air?
How many coulombs of charge pass though a given point in 1 second, if the current is 18mA
The ability of a material to concentrate magnetic lines of force within a material is called?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
Which of the terms below is measured in "Joules"
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
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?
Of the valves below, which would be best for erosive service?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "tolerance" rating?
What are the two main systems of negative feedback?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
Which type of pilot valve has one supply connection and two output connections?
If a closed tank is pressurized to 26 psig and the pressure gauge at the bottom of the tank reads 53 psig, what head (in meters) of a liquid with a R.D. of 0.15 is contained in the tank
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would a thread-o-let welded to the process line be considered?
All objects have mass which is affected by gravity. Which of the answers below represents the USCS approximate value for acceleration due to gravity?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
State 3 ⅞ as a mixed fraction.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run insulated impulse lines to location?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
If a fitting increases in cost from $675 to $890, what is the percentage increase of the fitting?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
The volume of a sphere is calculated with which correct equation?
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a maximum of 1.2 volts it can develop or contain?
The trigonometric ratio of tangent is calculated with which mathematical equation?
(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?
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?
What is the name of the tool used to cut internal threads after drilling a hole?
(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?
If a closed tank is pressurized to 145.345 kPa and the pressure gauge at the bottom of the tank reads 156.456 kPa, what head (in feet) of a liquid with a R.D. of 0.67 is contained in the tan
(310105i) Any solid has inherent properties associated with it. When measuring the force applied to the entire area of a solid, which of the answers below are you trying to measure?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
Reduce ¹⁵⁄₄₅ and state as a proper or mixed fraction.
"Hydrostatic" pressure is sometimes referred to as
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
Calculate the density of a substance that has a mass of 9.8 kg and is contained in a space that has a volume of 0.00756 m³
Newton's first law is also known as?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
A volume booster is not a positioner.
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
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?
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?
Due to a lengthy transmission distance a control valve is responding slowly. The device that would improve the response speed of the valve would be?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
If the total error is 1.3 and the dead band error is 0.7, what is the hysteresis value?
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?
If, for every 20 C of charge, 80 J of energy is available, what is the voltage?
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?
"The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature", is the description of which physics term?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop at R1?
To move 50 C across two points. when the voltage is 5 V, how much energy is required?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
In the SI system, the unit for length is?
(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 grounding of transformer circuits for instruments?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
If a battery has a rating of 90 Ah, theoretically it could provide 4.5 A for how long?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
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.
(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?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
Convert the following quantities to the units asked for: 27000 seconds to hours.
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
The equation to calculate density is?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
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).
The MSDS for each controlled product must be:
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
"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?
(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?