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Instrumentation: FIRST PERIOD

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

The Si unit for measuring force is the Newton. Which of the answers below correctly states the proper formula to calculate this unit?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the letter "C" in the picture below?
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe the smallest diameter of the thread?
The construction of batteries effects their performance. Which of the answers below would be the result of adding plate area?
What is the area of a semi-circle with a diameter of 2.45m?
Calculate the mass of a substance that has a density of 1479 kg/m³ and occupies a volume of 0.00631 m³
"An electric circuit in which the electric passes through each circuit element in order." is the best description for which of the terms below?
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?
(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 connecting larger OD tube to a smaller OD tube?
"A valve that has a low pressure drop at high flow rates.", is the best description of which of the terms below?
"_________ is an injury caused by freezing of the skin and underlying tissues. First your skin becomes very cold and red, then numb, hard and pale." Use the answers provided to fill in the blank.
In industry, electrostatic hazards are very important to understand. Which of the answers below correctly identifies an work station that has an anti-static mat on it?
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be equal to "J" as a of measurement?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below is based on an explosive atmospheres duration and frequency of occurrence?
Which of the following is not affected by a positioner?
The CEC generates a hazardous area result by investigating the contents of the area. Which of the designations below would be used based on the explosive characteristics of the material?
Solder is a vital component of the soldering process. Which of the solders below is most commonly used for repair work done by hand?
State the number 4.785 x 10 ⁻⁵ using decimal notation and round the answers to three significant digits.
Within the umbrella of intrinsically safe loops, there are several sub-categories and classifications. Which of the terms below would best be describe a field device that has a minimum of 1.3 volts it can develop or contain?
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?
The methods to mount an instrument are as varied as the instruments themselves. Which of the mounting methods below would capillary or impulse line to the instrument be used?
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?
There are several different committees in the Alberta apprenticeship system. Which of the committees below would be directly responsible for resolving any disputes between employer and apprentice?
"The lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
Which of the terms below is best described by the statement, "Current flows from the positive terminal to the negative"?
The 3 key elements of the WHIMIS system are, material safety data sheets, labels and ________. Choose from the answers below to fill in the blank.
"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?
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
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?
From the information given in the diagram below, what is the voltage drop over R4, if R1= 3 ohms, R2= 5 ohms, R3= 7 ohms, R4= 6 ohms and the battery produces 24 V?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 5 cm diameter filled with gas?
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
What type of cell is a lithium constructed battery?
What is the area of the cylinder that has a mass of 4 kg placed on it creating 98321 Pa of pressure?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
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?
Convert 0.625 to a fraction.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
If a closed tank is pressurized to 20 psig and the pressure gauge at the bottom of the tank reads 25 psig, what head (in meters) of a liquid with a R.D. of 0.65 is contained in the tank
(310105d) The displacement of an applied force is a measurable quantity. Which of the terms below would be use "J" as it's unit of measurement?
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
(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?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
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?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a loading element?
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?
Oxygen is a vital component of the combustion process. Which of the answers below best describes the effects of combustion if an amount of gas and oxygen are equal in volume?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "7" in the picture below?
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
“The force acting on an object is equal to the mass of that object times its acceleration.” is the description of which one of Newton's laws?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "5"?
(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 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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "6" in the picture below?
If a tool increases from $43 to $76, what is the percentage increase?
There are several different types of carbon steel in any piping system. Which of the types below would have a 0.3-0.6% carbon content?
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
Convert 18.5 psi into inches W.C.
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the voltage drop over R3?
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?
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 "A electrical and thermal energy limiting method brings both normal operation and fault conditions to safe levels."?
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."
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
Isolate for "v" in the following equation: d=vt
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?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the methods below would be best to run cable to location?
Calculate the force in pounds which will be developed when a liquid pressure of 76 lbs/in² is applied to an area of 54 in².
In Unified National nomenclature what does the "1/2" represent in this bolt class- 1/2-12-UNC 3A
(310104d) Control valves have a number of accessories that they can use for a variety of applications. Which of the answers below would be best reflect the common accessory for valve plug placement accuracy?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
The standard unit of conductance is which of the below?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying energy sources in work area are without power, would be which of the steps below?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
To alter the pressure setting on a regulator what element would you adjust?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
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?
"A hazard within the workplace that can harm the body without necessarily touching it. Vibration and noise are examples of this type of hazards." This statement best describes which of the following hazard groups?
What is the gain if nozzle backpressure changes from 1.35 psig up to 2.5 psig, and the relay output changes from 4 psig to 17 psig?
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 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?
If heat is removed from a metal, does it contract?
"An electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance." is the best description of which of the terms below?
An I/P transducer is a positioner.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
There are a variety of circuit symbols used in electrical designs. Which of the terms is most commonly associated with the symbol below?
(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?
When 150 C passes by a point in a wire in 6 seconds, what is the current in amperes?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
(310105i) In a common stress diagram, there are several points that are noted. Which of the points below would best be described as a change in shape of a material at low stress that is recoverable after the stress is removed?
(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??
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "L" represent?
The statement, "Whatever is done to one side of an equation, can be done to the other side of the equation" is false.
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?
(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?