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Instrumentation: FIRST PERIOD

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

In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
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?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for a valves flow characteristic?
From the information given in the diagram below, what is the current flowing on branch R1?
In a simple circuit, if I= 3 A and R=5 ohms, what is the voltage drop over the resistor of the circuit?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
State the number 45.7258 x 10¹¹ using engineering notation and round the answers to three significant digits.
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=ZnRT"?
For every gas law there is a corresponding equation. Which of the gas laws below is missing from the Combined Gas Law?
If heat is removed from a metal, does it contract?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
746 Watts is equal to which of the terms below?
Which of the resistors below is best described by the following statement, "A variable resistor making use of three contacts whose resistance varies with an adjustment of a sliding contact."?
"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?
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
A _________ has the air connection usually above the diaphragm
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
When selecting a hammer to use, what would "weight of head" help determine?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
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?
Gauge pressure is calculated by?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
"A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid," is a description of which principle?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
There are several terms that are used to describe the features of a particular thread type. Which of the answers below would best describe the "³⁄₁₆" in the bolt designation ³⁄₁₆-12 UNF x 6?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed air system?
"This type of respirator has two different types that are available. These are continuous flow, and pressure demand respirators. " This statement best describes which of the following respirators?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
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 as having a blind and a spacer together in one assembly?
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 a baffle-nozzle-restrictor motion detector the:
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
There are several properties to a circuit. Which of the terms below best defines the opposition to a change in current?
The basic unit of matter is called?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "Newtons"?
How is the term "Cv" calculated?
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
There are many terms that are used with precise measurements. Which of the answers below is the term used when the answer to a problem has more significant digits that the measurements that have been recorded?
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?
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?
There are several parts to a drill bit. Which of the terms below best represents the part of a drill bit that is used to cut into materials?
If a closed tank is pressurized to 12 psig and the pressure gauge at the bottom of the tank reads 56 psig, what head (in meters) of a liquid with a R.D. of 0.75 is contained in the tank
Express ³²⁄₄₄ as a percent.
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?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
If a closed tank is pressurized to 14 psig and the pressure gauge at the bottom of the tank reads 30 psig, what head (in meters) of a liquid with a R.D. of 0.87 is contained in the tank
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?
Lenz Law states:
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
(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 circuits that are isolated?
How many coulombs of charge pass though a given point in 1 second, if the current is 16mA
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a two ferrule style fitting?
"Having only magnitude, not direction, such as mass", is a description of which mathematical term?
State the number 13487000 using scientific notation and round the answers to three significant digits.
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
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 minimum of 1.3 volts it can develop or contain?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?
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 audible alarm only?
The symbol for a voltage source is which of the below?
Of the terms below, what is "Work" measured in?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
If a closed tank is pressurized to 17 psig and the pressure gauge at the bottom of the tank reads 34 psig, what head (in meters) of a liquid with a R.D. of 0.23 is contained in the tank
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
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?
Solve for the missing side.
(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?
Give the absolute pressure in a vessel given a vacuum gauge reading of 5.3 inches of Hg and a local barometric reading of 43.5 inches of Hg.
"The law that the algebraic sum of the products of the current and resistance in the conductors forming a closed loop in a network is equal to the algebraic sum of the electromotive forces in the loop." This statement is the best description of which electrical law below?
(310101c) There are several categories for connecting tubing. Which of the methods below is never used as a tubing connection method?
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
There are several varieties of manufactured resistors. Which of the answers below is constructed with a glass core?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
"Is the change in velocity divided by the elapsed time for the change to be completed." is the description of which mathematical term?
Convert 16.5 psi into kPa
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would intrinsically safe equipment be primary used?
OH&S recognizes that there are a number of hazards on any jobsite. Which of the answers below best represents the number of broad categories that it has grouped those hazards into?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Solve for the hypotenuse.
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
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 audible alarm and fuse only?
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?