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Instrumentation: FIRST PERIOD

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

There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
A moment balance negative feedback system is a motion balance system?
A true force balance negative feedback system is a force balance system?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?
Choose the answer below that has the words in order to correctly fill in the blanks. "A ______ in per unit volume temperature of a conductor, offers ______ resistance to current"
What pressure does a column of liquid exert with a density of 48.9 lbs per cubic foot and a height of 6.5 feet
"The relationship between valve position and flow in the in an operational process system.", is the best description of which term below?
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
"A fraction that is less than one, with the numerator less than the denominator", is a description of which type of fraction?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
The common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
From the information given in the diagram below, what is the current flowing on branch R2?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
When 20 C passes by a point in a wire in 12 seconds, what is the current in amperes?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "A"?
To perform an "Angularity" adjustment, the order of step(s) is/are?
In the figure below, R1= 10 ohms, R2=6 ohms, and R3=4 ohms, with the battery producing 40 V, what is the power absorbed by R2?
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?
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 "⅜" refer to?
"If an object A exerts a force on object B, then object B must exert a force of equal magnitude and opposite direction back on object A" is a description of which one of Newton's laws?
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?
In relation to hacksaws, "pitch" is referred to as?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when tubing around a tight corner?
34.450 in engineering notion is what?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
To alter the pressure setting on a regulator what element would you adjust?
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?
Calculate the force, in newtons, which is developed to a circular diaphragm with a diameter of 75 cm, when a a pressure of 56 kPa is applied:
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
"Control devices that use the fluid medium that they control to obtain their energy" is a description of what?
(310101c) Although soldered fittings for tube can be used on pressure and DWV applications, there are some differences between the fittings. Which of the answers below describes one of the major differences that the DWV fittings have when compared to pressure fittings??
(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 circuits that are controlled remotely?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
Before allowing power to a device, it may be required to neutralize it's environment. Which of the methods below would best be described as a consistent positive pressure within an enclosure?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
Convert ¹⁸⁄₅ to a decimal.
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
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?
Of the terms below, what is "Work" measured in?
What is the formula to calculate Hydrostatic peressure
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.
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
If, for every 30 C of charge, 60 J of energy is available, what is the voltage?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
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"
In a simple circuit, if I= 5 A and R=4 ohms, what is the voltage drop over the resistor of the circuit?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "A" represent?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
(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?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be the most sensitive to pressure changes?
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?
Choose the correct order of mathmatical operations.
Materials with one to three electrons in their valence shell are considered what?
"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?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a square cover?
Determine the voltage V(bd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
(310102c) Resistors have several construction methods. Which of the resistors below would have 2 fixed terminals and a sliding contact?
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
There are a number of factors determining the resistance to current of a material. Which one of the terms below would be best described as "A greater amount of free electrons reside in a conductor of greater diameter per linear unit."
There are many terms that are used with precise measurements. In the measurement 65.34 cm +/- 0.7 cm, which of the terms below is represented by the "+/- 0.7 cm"
State the number 789342.61 using decimal notation and round the answers to three significant digits.
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 final velocity of the car?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be referred to as a "Van Stone" flange connection?
(310105d) Heat is produced when friction occurs during motion. Which of the terms below correctly identifies the type of friction that produces of this heat?
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?
(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 standards set for employers?
If there was a need to provide a regulated output pressure with no distrubances from varying inlet and downstream pressures, which of the devices below would be used?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would assessing the pen arms and chart plate be?
If a pressure change of 20 kPa to 60 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 7.5 cm and the effective area of the diaphragm is 0.09 m^2
There are several terms that are related to electromagnetic cores. Which of the terms below would be correctly described as "when the magnetic flux alternates from the internal molecular structure reversals, the result is the heating of the core and wasted energy."
What is usually referred to when loading an ammeter?
(310104b)There are several connection methods available for valve installation. Which of the connection methods below would be best suited to a valve that would be connected to a flange that was one-holed?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
The main function of a valve positioner is which of the below?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
"This piece of legislation came into effect in 1915. This act deals primarily with compensation, medical aid and rehabilitation of a worker due to a job-related injury." Which of the answers below is best described by this statement?
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?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate work energy?
There are some options when deciding to lower the classification of a hazardous atmosphere within an enclosure. Which of the methods below would be the best method for the removal of a hazardous gas?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the detailing of employer obligations that must be fulfilled?
Some enclosures have removable coverings to allow maintenance work. Which of the enclosures below would have a round cover?
(310104a)There are numerous components to a valve. Which of the components below would best be referred to as a seal for the static portion of the valve against leakage?
A 2000 kg train is traveling east with a speed of 25 km/h. Determine the mass of a truck travelling at 15 km/h would have to have to be travelling at the same momentum.
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?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁n₂T₂=P₂V₂n₁T₁"?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
In industry, there are several types of protection used to reduce the risk of explosion. Which of the methods of protection below is best defined as "The only method that avoids the propagation of combustion to the surrounding atmosphere by allowing the explosion to occur, but confining it to a well-defined area."?
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a fixed restrictor as well as a feedback bellows in the creation of an output pressure signal?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 1000 hours a year?