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Instrumentation: FIRST PERIOD

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

In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
Of the types of link and lever calibration methods below, which one requires a minimum of two types of adjustments?
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?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
(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?
There are many terms associated with "Energy". Which term below is correctly described as, "is energy stored in a spring."?
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?
"A whole number and a fraction combined into one number", is a description of which type of fraction?
Determine the voltage V(ac) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
The best description for "Zero adjustment" in relation to calibrating instruments is which of the following?
In relation to hacksaws, "pitch" is referred to as?
When 125 C passes by a point in a wire in 8 seconds, what is the current in amperes?
(310103d) There are several different designs of regulator. Which of the loading element designs below would have to slowest response to changes in downstream pressures?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
What does the term "Cv" represent in calculating pressure drop?
Newton's third law is also known as?
There are many different types and styles of tubing in industry, but they can all be grouped into categories. Which of the answers below best represents all of the categories of tubing?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of traps dissolved oxygen and enhancing casting characteristics?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of improving the resistance to metal fatigue and facturing?
"Having only magnitude, not direction, such as distance", is a description of which mathematical term?
State the number 7.428 using scientific notation and round the answers to three significant digits.
If a closed tank is pressurized to 15 psig and the pressure gauge at the bottom of the tank reads 36 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
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?
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?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type L tube type typically have?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
Determine x if 5:16=x:128.
(310103f) There are several methods for measuring process variables. Which of the transmitters below would use a pressure sensing diaphragm in the creation of an output signal?
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??
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
Which pilot valve has two common supply connections, and two connections for output?
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?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 7 cm diameter filled with gas?
When taking measurements, there are several terms that are commonly used. Which of the terms below is best described as the degree to which the result of a measurement that conforms to the required standard.
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a restricting element?
The best description for "Angularity adjustment" in relation to calibrating instruments is which of the following?
The trigonometric ratio of tangent is calculated with which mathematical equation?
There are several terms that are used specifically with flammable gases and liquids. Which of the terms below is best described as the minimum or maximum concentration levels of a flammable or combustible material for ignition?
The ISA has defined 3 types of installations for purge/pressurization for hazardous applications. Which of the types below would an enclosures classification be reduced from Class I, Zone 1 to a Class I, Zone 2?
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?
Each one of the installations of purge/pressurization has its own requirements for purging times. Which of the installations below would the outlet airflow rate be measured for purging times?
The perimeter of a Triangle is calculated with which correct equation?
There are three main types of measuring elements used in industry. Which of the answers below best represents the letter "B"?
The desiccant head adsorbes water vapour due to which?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
Air and iron are the two types of electromagnetic cores. Choose from the answers below to explain why an air core is less preferable than an iron one.
When 30 C passes by a point in a wire in 9 seconds, what is the current in amperes?
Convert 0.625 to a 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 Class 1 power circuits that are extremely low voltage?
Calculating absolute pressure is achieved by?
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?
From the information given in the diagram below, what is the total parallel resistance of the circuit?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a medical gas system?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
A multi-wheel cutter is used when
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
The trigonometric ratio of cosine is calculated with which mathematical equation?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
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 transporting workers?
Even though explosion safety equipment must be able to deal with extreme pressures, maintenance must also be allowed to occur. Which of the enclosures below would allow for both maintenance and protection from explosion?
When an atom gains an electron, it is commonly referred to as which of the below?
Of the methods to render a container safe for hotwork, which of the following is the most common and most effective?
Before working on a task, you notice that a trench with vertical rebar ends is directly under the work location. Harnesses and anchor points are provided at the task location by the employer, which you are instructed to use. The piece of legislation that best covers the action of the employer is which of the below?
Convert 45.9 kPa into psi
746 Watts is equal to which of the terms below?
"The tube straightening out is a direct result of the pressure acting inside the tube" is the principle of operation of which pressure to force converter?
"Which of the electrical terms below can be best described as "consisting of one or more electrochemical cells, which transform stored chemical energy directly into electrical energy."
"This physical factor within the environment that harms the musculoskeletal system." This statement best describes which of the hazard groups below?
In the SI system of measurements, there are several symbols used for magnetism. Which of the measurement units below would represent "relative permeability"?
(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?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
From the information given in the diagram below, what is the total current if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
(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?
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?
The area of a circle is calculated with which correct equation?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
(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 power circuits that are considered low energy?
In the WHMIS system, "Acute poisons" is represented by which hazard class? Choose from the following answers.
A lithium cell can produce about _____ times the voltage of an alkaline cell.
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?
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
To perform an "Angularity" adjustment, the order of step(s) is/are?
An instrument technician sometimes has to do calibrations while the process is still running. Which of the terms below identifies a calibration done on a live process?
If it were necessary to control the process pressure upstream of the regulator, which device below would be required?
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?
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 prefix "Centi" can be expressed as?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for compressed gases?
"The range through which an input can be varied in reverse without initiating an observable response" is the best description of which term?
When higher operating pressures are used, this type of actuator produces higher thrust than diaphragm actuators.
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the the responsibilities of those associated with the work site?
(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 conductor type and use?
To perform a "Zero" adjustment the order of step(s) is/are?