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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 voltage when the capacitor gets to 5τ?
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?
The trigonometric ratio of cosine is calculated with which mathematical equation?
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?
(310104a) There are numerous components to a valve. Which of the components below would best be referred to as a gland that seals the dynamic portion of the valve against leakage?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below would explosion-proof equipment be primary used?
"A characteristic where flow capacity increases linearly with valve travel. Flow is directly proportional to valve travel." is the best description of which of the terms below?
When wire rope is used for lifting purposes, there are several safety factors involved. Which of the answers below best represents the safety factor for rigging in general?
The symbol for resistance is which of the below?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
Ohm's law states that:
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
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing hardness, but a reduction in ductility?
State the number 0.05634 x 10⁻¹³ using scientific notation and round the answers to three significant digits.
There are many electrical terms that have symbols to describe them in equations. Which of the terms below is best referred to as "Ꜫᵣ" in an equation?
Determine the voltage V(ab) with R1=70k ohms, R2= 100k ohms and R3= 360K ohms, with a current of 0.754 mA
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 prefix "giga" can be expressed as?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
The perimeter of a rectangle is calculated with which correct equation?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
Circular chart recorders have several specific accessories. Which of the accessories below would use an ambient compensation capillary?
Convert 0.125 to a fraction.
Of the answers below, which one is a disadvantage of a Pinch valve?
Which of the welding processes below would welding goggles be worn?
"The distance traveled divided by the time elapsed to reach final position." is the description of which mathematical term?
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.
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
When taping a blind that does not go through the metal, the proper steps to tap it are:
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
All pipe in a piping system can be grouped into two categories. Which of the answers below best represents those categories?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
"Change (variance) In total amounts expressed as percentages." is the description of which term?
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?
Magnetism has several terms that must be understood. Which of the terms below would best be defined as a measurement of the total magnetic field which passes through a given area?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
A parallel circuit reacts in specific ways to the addition of a resistive load. Which of the answers below best describes the reaction to an increase in resistive load?
Gauge pressure is?
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 "0.036" refer to?
"A simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners." is the best description of which of the terms below?
Of the types of link and lever calibration methods below, which one requires only one type of adjustment?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
"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 side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
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
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
65% of 765 is equal to?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "meters"?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen position adjustment/verification be?
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?
There are several different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
"A two ratios that are equal in an equation." is a description of which mathematical term?
Covert 3 ⅘ to an improper fraction
If a pressure gauge is reading 54 kPag and the local atmospheric pressure is 99 kPaa, the the absolute pressure gauge reading will be?
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 relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
In fluid mechanics, there is always a loss in pressure due to several factors. Which of the factors below would most affect this loss in pressure?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
"A fraction in which the numerator is greater than the denominator", is a description of which type of 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 maintenance of instruments in hazardous locations of instruments?
"The longest side of a right triangle, opposite the right angle." is a definition of which right angle triangle mathematical term?
Determine x if 5:16=x:128.
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
"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 the grounding of less that 50V circuits?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
The equation to calculate density is?
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
How many electrons does 134.5 x 10¹⁹ represent?
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
Reduce and state answer as a proper or mixed fraction: ¹²⁄₄₈.
A volume booster is not a positioner.
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
Calculate 2 5/6 -1 3/4, and state answer as a proper or mixed fraction
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
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?
What percentage of 35 is 21?
Calculate the gain when a change from 1.55 psig to 2.15 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
There are several different notations on a length of pipe. Which of the notations below would have the thinnest pipe wall?
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).
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, removing securing devices and any isolation points once work area is deemed safe, would be which of the steps below?
There are many terms associated with "Energy". Which term below is correctly described as, "done on an object when an applied energy moves it through a distance"?
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?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
"Is the side next to the angle of significance." is a description of which right angle triangle mathematical term?
Calculate the normal force exerted by an object that has a mass of 6732 grams
(310101c) Tubing wall thickness has 3 ways of being measured. Which of the answers below is the least common of those methods?
Which of the following measurements cannot be performed by a sliding caliper?
When selecting a hammer to use, what would "weight of head" help determine?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
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.