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Instrumentation: FIRST PERIOD

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

There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would be adjusted for any slight angularity issues?
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?
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
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
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?
"pressure developed by a column of liquid" is the definition of which term
There are several different ways to apply force to an actuator. Which one of the methods below would use a diaphragm for operation?
The point when increasing current will not increases magnetism in an electromagnet is call?
Calculate the gain when a change from 1.25 psig to 2.0 psig in nozzle backpressure and a change from 3 psig to 15 psig in the relay output occurs.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁T₂=P₂T₁"?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
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 several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
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"
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 numerous designs of batteries. Which of the batteries below would be generally considered to be the most common?
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
The trigonometric ratio of cosine is calculated with which mathematical equation?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
Matter that is compose of only one atom is called what?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
There are several different notations on a length of pipe. Which of the notations below would have the smallest pipe ID?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "W" as a of measurement?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
(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?
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
A tank contains a liquid that has a R.D. = 1.15. The depth of the liquid is 6.7 meters. What is the pressure in kPa at the base of the tank?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run tubing to location?
(310105i) Any solid has inherent properties associated with it. Which of the terms below would best represent the final amount of stretch or elongation that the material undergoes during tensile testing?
Convert 0.625 to a fraction.
Chart recorders have some specialized applications in industry. Which of those applications would best make use of the multiple temperature inputs available?
From the information given in the diagram below, what is the current flowing on branch R2?
To alter the pressure setting on a regulator what element would you adjust?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
Isolate the following equation for "v": d=vt
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
"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?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
Moment balance Negative feedback system consists of:
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
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?
(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?
With a reverse acting actuator, as the pressure increases:
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
Calculate the relative density for a fluid that has a density of 748 kg/m³
The volume of a cylinder is calculated with which correct equation?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
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 blocks any excess voltage from gaining access to a hazardous area?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
Solve for the missing side.
convert 4 ⁴⁄₁₁ to an improper fraction.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Solve for the missing angle.
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
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?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
What pressure in Kpa is required to produce a force of 17650 lbs. when applied to a diaphragm actuator with a radius of 5 inches?
(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?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of accumulating energy in a capacitor?
A battery has a rating of 80Ah, this means it can supply
When an atom loses an electron, it is commonly referred to as which of the below?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an iron core is more preferable than an air one.
If a closed tank is pressurized to 101.345 kPa and the pressure gauge at the bottom of the tank reads 130.456 kPa, what head (in feet) of a liquid with a R.D. of 0.45 is contained in the tank
A tight seal to the face is required by all respirators. This is a critical element in which of the following type(s) of respirator? Of the options below, choose the best answer.
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
The Si unit for measuring force is the Newton. Which of the answers below is equal to an object that has a mass of 65830 g?
Alloy steels are very common in industry. Which of the types of alloy steel would "Ferritic" piping be?
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 explosion-proof enclosure?
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 smallest diameter of the thread?