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Instrumentation: FIRST PERIOD

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

Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
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?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
(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?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
The intensity of sound is measured in dBA. In the workplace the suggested dBA level for wearing hearing protection over an 8 hour day would be which of the below?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
(310105d) When dealing with displacement, there are two qualifiers used. Which of the answers below would be a quantity that is fully described by a numerical value alone?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
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?
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?
(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?
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."?
The law of electrical charges states that like charges attract one another, an unlike charges repel one another.
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
To move 175 C across two points. when the voltage is 30 V, how much energy is required?
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?
(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?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
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?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "A"?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, ensuring each source of energy to the work area has it's own isolation, would be which of the steps below?
(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 installation of cathodic protection?
There are many studies on how pressure and force affect fluids. "Container shape does not affect fluid pressure." is one of the principles of which answer below?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
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
When dealing with pressure measurements, there are several vital terms that are used. Which of the terms below would best be described an interaction that causes an affected object to This results in an alteration to the state of the object's momentum?
The basic unit of matter is called?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for workers?
Isolate the following equation for "v": d=vt
Class 1 or 2 Safety Glasses are typically worn by most warehouse workers. Which of the following do they protect from?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a compressed air system?
A welder has set up a temporary fab area in a c-can. He has put 2 portable fans, one in the front and one in the back, in the c-can for ventilation. Based on the information provided, which type of ventilation is he using? Use the terms provided to choose the best answer.
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?
If field servicing, or removing, a control valve from a piping system it is important to recognize the piping isolations. Which of the isolations below correctly identifies the following picture?
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?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that has contacts the process?
(310102m) There are numerous electrical devices in a circuit. Which of the devices below can be best described as a passive two-terminal component used to store and release electrical energy?
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the average velocity of the car?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "1"?
The result of a _______ actuator is installed with a ________ valve will be air-to-open
There are numerous methods to mount instruments properly. Which of the methods below is shown in the picture?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
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
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
"Changes in temperature of a gas or object with no change in phase." is a description of which physics term?
Reduce ³⁴⁰⁄₄₀ and state as a proper or mixed fraction.
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?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
Of the terms below, what is "Work" measured in?
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?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of refining the grain of the steel to allow for greater resistance to corrosion and temperature extremes?
Biological Hazards can be further broken down into subsections. Of the answers below, one is not a biological hazard, choose the answer that doesn't fit.
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
State the following number, 15.198*10¹³ using engineering notation and round the answers to 3 significant digits.
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the minimum safety standard set for workers?
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?
Convert 0.125 to a fraction.
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
A column of water with a density of 43 lbs per cubic foot and a height of 65 inches, exerts what amount of pressure ?
If a pressure change of 20 kPa to 80 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 2.7 cm and the effective area of the diaphragm is 0.08 m^2
The supplier label:
There are 3 major components to a zener intrinsically safe barrier. Which of the answers below would be best describe the component that limits the current?
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?
"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?
To keep your back healthy, there are several steps in lifting objects. Of the following, choose the one that would not apply.
Using the Pythagorean Theorem solves for which mathematical term?
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 elevators used by the public?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
Convert 14 "Hg to kPa(a). Barometer is 18.6 psi
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?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
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 many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of increasing erosion and wearing down resistance?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
What are the two main systems of negative feedback?
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?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
"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?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
Capacitance is a measurable quantity. Which of the answers below represents the SI unit for capacitance?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a 2.5 mm minimum water gauge flow to be maintained?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 75 MPag??
What type of cell is a lithium constructed battery?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
If, for every 10 C of charge, 40 J of energy is available, what is the voltage?