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Instrumentation: FIRST PERIOD

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

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 hollow cylindrical trim element that is sometimes used as a guide to align the movement of a valve plug with a seat ring." is the best description of which of the terms below?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the enclosures inlet airflow rate be measured for purging times?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
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?
Interpretation and use of correct installation standards is vital to the success of an instrument technician. Which of the associations below have set out the standards that must be followed?
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.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
(310105d) The output of an applied force uses is a measurable quantity. Which of the terms below would be use "W" as it's unit of measurement?
When dealing with servicing or maintaining of valves, there are some terms that need to be understood. Which of the terms below is best described as a mechanical device that physically prevents the transmission or release of energy?
(310103f) There are three main components in a simple signal transmission system. Which of the components below is best represented by the letter "C"?
What is the formula to calculate Hydrostatic peressure
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous material with immediate and serious toxic effects?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type M tube type typically have?
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?
The perimeter of a square is calculated with which correct equation?
"pressure developed by a column of liquid" is the definition of which term
Faraday's law of induction states:
A battery has a rating of 80Ah, this means it can supply
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?
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?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the volume of a mass of gas is inversely proportional to its pressure."?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
State ⁸⁴⁵⁶⁄₂₄₃ as a mixed fraction.
Matter that is composed of more than one type of atom is called?
In the WHMIS system, the two types of labels that are the most commonly used are? Use the answers provided.
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
What is the density of water?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
"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?
1 pound force is equal to
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?
(310102g) Energy is lost due to undesirable resistance in any circuit. Which of the terms below refers to the power that is lost in a conductor during the transmission phase?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
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?
There are numerous types and styles of valves in industry. Which of the additions to a scotch yoke valve allows for proportional positioning?
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?
"An adjustment that progressively increases or decreases reading over the scale, but does not change the base point" is the definition of which adjustment?
Around most construction tasks, eye protection is important. The selection of eye protection will rest mainly with which of the following answers? Choose the best one that applies.
What pressure does a column of liquid exert with a density of 56.7 lbs per cubic foot and a height of 54 inches
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
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the SI relative temperature scale?
What does the term "Cv" represent in calculating pressure drop?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
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?
A change in dielectric material in a capacitor, will change it's capacitance. Which of the dielectric materials below has the greatest capacitance?
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?
There are subgroups of fuel for fires need to burn. Which of those subgroups would LPGs belong?
(310105d) For displacement to occur, several forces must act upon a mass. Which of the forces below would oppose the direction an applied force?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would have two tube ends in line and one pipe connector?
From the information given in the diagram below, what is the current flowing on branch R2?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as equipment or circuits that are tested under fault situations?
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?
(310104a) The valve body contains some of the vital components in a valve. Which of the components below would be responsible for the alignment for the path of travel of the valve plug?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial relative temperature scale?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
The CEC has classified hazardous areas by a specific set of terms. Which of the answers below contains those terms in the correct order?
There are several common precision measurement tools available in industry. Which of the answers below best represents the tool pictured below?
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe was shortened by half, which of the answers below would be the result?
Solve the equation:(4)(5)+4
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
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?
5 coulomb of charge require how many electrons?
"The distance around the outside edge of a two-dimensional shape." is the definition of which mathematical term?
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the URV?
Find the volume in meters cubed of a cylindrical tank that has a radius of 2.4 m and a length of 1.2 m.
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
A pneumatic level transmitter, with an output range of 20-100 kPa, is being used to assess the fluid level in a cylinder though an input range of 0-9 meters. What is the transmitter output signal if the fluid level is at 8.65 meters?
The prefix "giga" can be expressed as?
1 pound mass is equal to?
To preform a "Span" adjustment the order of the step(s) is/are?
A mass of 5 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
The 3 key elements of the WHIMIS system are, worker education, material safety data sheets and ________. Choose from the answers below to fill in the blank.
(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?
Batteries come in two common varieties. Which of the terms below can relate best to a rechargeable cell?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
Calculate the relative density for a fluid that has a density of 748 kg/m³
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
(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?
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) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
Factors affecting induced voltage include:
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve ensuring contamination free parts and soldering tip?
Of the types of link and lever calibration methods below, which one requires a minimum of 4 adjustments?
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?
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) For higher working pressures, generally the wall thickness of tubing will increase. Which of the answers below would best relate to the effect of a tube's increased wall thickness?
"The displacement divided by the total time to complete the change." is the description of which mathematical term?