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Instrumentation: FIRST PERIOD

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

(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the addition or release of air from the actuator to achieve proper plug placement?
"_________ 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.
If heat is removed from a metal, does it contract?
What are all the variables that can be measured when dealing with gases?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
The volume of a cylinder is calculated with which correct equation?
State the number 0.00007342 using engineering notation and round the answers to three significant digits.
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the increased speed of supplying the actuator with air?
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.
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?
In what kind of circuit would all of the applied voltage appear across an open circuit?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 K?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
The volume of a sphere is calculated with which correct equation?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to density." is one of the principles of which answer below?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the floor of the container. Of the following answers, which gas would he be testing for?
It is a good trade practice to transport gas cylinders secured and upright. From which act below did this practice come from?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where gases or vapours are present sufficient quantity to produce explosive or ignitable mixtures.
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?
There are several advantages and limitations to installing a zener barrier as an intrinsically safe barrier. Which one of the answers below can be considered an advantage of this style of barrier?
Which of the following is not affected by a positioner?
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.
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"
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
In industry, electrostatic hazards are very important to understand. Which of the terms below can correctly be described as a charge created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other?
Covert 6 ¹¹⁄₁₃ to an improper fraction.
What provides the seal on the valve stem to prevent leakage of the process?
There are many different applications for copper tube. Which of those applications below would have the greatest internal operating pressure ratings?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period when the capacitor gets to 5τ?
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?
There are many studies on how pressure and force affect fluids. "Fluid pressure is proportional to depth." is one of the principles of which answer below?
In a simple circuit, if E=3 V and R=5 ohms, what is the current of the circuit?
Having to convert between SI and USCS measurements is commonplace in industry today. Which of the answers below is the correct conversion for 65 lbm?
A _________ has the air connection usually above the diaphragm
A mass of 6 kg is placed on top of a spring and that spring compresses 7 cm. What is it's spring rate?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
In the SI system, the unit of force is?
Determine the voltage V(bc) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
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?
There are several equations related to magnetism. Which of the terms below is represented by the equation "B=ᶲ⁄ₐ"?
Matter that is composed of more than one type of atom is called?
In a simple circuit, if E=4 V and R=2 ohms, what is the current of the circuit?
Reduce and state answer as a proper or mixed fraction: ³⁴⁰⁄₁₆.
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used with a pressurized enclosure that contains equipment which is capable of ignition?
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?
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
Stress affects metals in several different ways. Which of the answers below would best be described as the permanent deformation at a slow rate?
(310105d) Displacement quantities are all a measurable amounts. Which of the answers below would "Kinetic friction" use as it's unit of measurement?
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?
(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?
There are several terms which relate to charging of a capacitor. Which of the terms below would apply to the period while the capacitor gets to 5τ?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
A 3 kg mass is placed on a 4 cm diameter diaphragm, what is the pressure on the air under the diaphragm?
There are several different types of pressure tube available. Which of the type of tube below would have the best thermal and longevity properties?
"A version of mathematical notation in which the exponent of base ten must be divisible by three" is a definition of what?
"If a worker is injured or has an accident on the jobsite, they must report it as soon as possible to the employer." The act that best encompasses this statement is which of the following?
There are many different types of alloy steels, each with specific properties. Which of the elements below would have the effect of removing oxides and sulfides as well as refining the grain of the steel?
The time constant for a charging capacitor is a measurable quantity. Which of the answers below represents the correct formula to use for this calculation?
(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?
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 257 °F in °C?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for corrosive material?
Convert 16.5 psi into kPa
Alloy steels are very common in industry. Which of the types of alloy steel would "Martensitic" piping be?
What pressure is exerted at the base of a tank 6.5 meters high when filled with a liquid with a density of 1200kg/m³?
Each one of the installations of purge/pressurization has its own requirements for additional equipment. Which of the installations below would also require a low purge gas pressure audible alarm and fuse only?
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 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.
Worker education is the responsibility of the:
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve affixing the work to be done to ensure it doesn't move while working on it?
Convert the following quantities to the units asked for: 27000 seconds to hours.
Convert 0.875 to a fraction.
"An adjustment that shifts the entire scale the same amount up or down" is the definition of which adjustment?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 145 kPag?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Before entering a container to work, your Journeyman asks for a gas test to be done. The foreman agrees and puts the sniffer close to the roof of the container. Of the following answers, which gas would he be testing for?
State the number 0.003402 using decimal notation and round the answers to three significant digits.
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a refrigeration system?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Hydrogen belong to?
"The quantity of motion of a moving body, measured as a product of its mass and velocity," is the description of which mathematical term?
(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?
"The results of a devices inelastic quality" is a definition of which term?
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 a physical barrier at the open end of a process pipe?
"Is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid." is the description of which mathematical term?
The two main functions of a negative feedback system are:
"The removal of lead sulfate crystals, which reduces the effectiveness of lead-acid, sealed AGM or flooded (wet cell-filler caps) batteries." is the best definition of 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?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
Hazardous locations in industry have been grouped for ease of understanding Which of the classes below is best described an area where combustible dust, rather than gases or liquids, may be present in varying hazardous concentration?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
There are several grades of iron and steel. Which of the answers below best represents a material that is extremely brittle because of it's high carbon content?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
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?
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?
In a simple circuit, if E=8 V and R=3 ohms, what is the current of the circuit?
What is usually referred to when loading an ammeter?
1 mechanical, or imperial, horsepower is equal to which of the below?
There is a safe ratio for the use of extension ladders. If there is a ladder extending 18 ft vertically, how far from the wall should the base of the ladder be?