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Instrumentation: FIRST PERIOD

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

One coulomb is equal to how many electrons?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "N" represent?
(310102m) The relationship between resistors, capacitors and time intervals is an interdependent one. Which of the answers below would be the voltage across a steady state capacitor after 1 tau of it discharging?
From the following answers, choose the best one that represents the radiant energy hazard produced by Non-destructive testing.
From the information given in the diagram below, what is the current flowing on branch R1?
Linear motion negative feedback system consists of:
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?
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.
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?
State the following number, 0.005687 using scientific notation and round the answers to 3 significant digits.
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type DWV tube type typically have?
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?
The prefix "Mega" can be expressed as?
There are several different ways to apply force to an actuator. Which one of the methods below would use a handwheel for operation?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with other toxic effects?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
(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 require constant replacement?
(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?
(310105i) Any solid has inherent properties associated with it. Which of the properties below would be measured as a result of a tensile test on it??
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below relates best to the plotting of a capacitor that is alternately charging and discharging?
"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?
The point when increasing current will not increases magnetism in an electromagnet is call?
If there was a need to control the process pressure upstream of the regulator, which one of the devices below would be used?
Which type of pilot valve has one supply connection and two output connections?
(310105i) Physics has may "laws" that can be applied in industry. Which of the "laws" below would relate best to the strain of a material is proportional to the stress applied
What is the pressure generated by a mass of 3 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
"5 x 7=7 x 5" is an example of which mathematical law?
"The characteristic published by the manufacturer, based on tests performed in a closed system ensuring consistent flow behavior before installation." is the best description of which of the following terms?
A vacuum gauge indicates a pressure of 15" Hg. What will the pressure be , in kPaa, if the atmospheric pressure is 13.9 psia?
There are several different types of drills tools used in industry. Which of the drills below would be best used for exacting work, hole no bigger than a ½" in diameter?
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, fuse and an interlock?
What does the term "Cv" represent in calculating pressure drop?
Batteries come in two common varieties. Which of the terms below can relate best to a non-rechargeable cell?
The volume of a cylinder is calculated with which correct equation?
"Energy" is a calculated quantity. Which of the units below would be used as the measurement of "Energy"?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
If side "A" is equal to 45mm and side "B" is equal to 76mm, solve for side "C".
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
Occupational exposure limits have threshold limits. There are three of these threshold limits that are used, of the answers provided, which is not a value used?
Newton's second law is also known as?
Which of the terms below is measured in "Joules"
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
The use of process seals is required in some applications. Which one of the terms below is best described as a seal that prevents the process from passing into the electrical conduit in the event of the initial seal failure?
Determine the voltage V(cd) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
Unless otherwise stated by the manufacturer, there are several general practices when installing a chart recorder. Which of the answers below correctly identifies the maximum distance between DPU and recorder?
Good trade practice is a 4:1 ratio when using an extension ladder. From which piece of legislation does the practice originate from?
What is the name of the tool that is used on round stock to cut external threads?
Convert 16.5 psi into kPa
convert 4 ⁴⁄₁₁ to an improper fraction.
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?
"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?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
"Can handle pressures more accurately and can handle higher pressures" are two advantages of using which regulator?
There are numerous designs of batteries. Which of the batteries below would be generally considered to be the most maintenance free?
(310102m) There are numerous electrical terms relating to specific components. Which of the terms below can be best described as the the process of expending the accumulated energy in a capacitor?
(650101a) There are three main sections in the occupational health and safety legislation in Alberta. Which of the sections below best relates to the thorough, precise safety details for workers?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
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?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "7"?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for combustible material?
Absolute and relative temperature scales each have their [own names for Imperial and SI scales. Which of the answers below correctly identifies the Imperial absolute temperature scale?
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 0-20 meters. What is the transmitter output signal if the fluid level is at 6.65 meters?
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?
In soldering there are many terms used. Which of the terms below would best describe a poorly formed soldered joint?
"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?
What is the main purpose of valve positioners?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
ESD is a major issue for the failure of electrical components. Which of the answers below would best represent the minimum discharge voltage that could damage electrical equipment?
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "the pressure of a given mass of gas varies directly with the absolute temperature of the gas, when the volume is kept constant."?
(310105i) The reaction a solid has to an external force that is applied to it can be measured. Which of the units below corresponds to "Strain" measurement?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, testing of the isolation to all sources of energy to the work area, would be which of the steps below?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
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?
(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?
How many coulombs of charge pass though a given point in 1 second, if the current is 15mA
There are several types of soldering irons that are available in industry. Which type of iron below would rely on a voltage being produced when the tip touches the work to be done?
There are several different types of carbon steel in any piping system. Which of the types below would have less than a 0.3% carbon content?
"At any junction in an electrical circuit, the sum of currents flowing in equal to the sum of currents flowing out ." This statement is the best description of which of the electrical laws below?
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?
(310105i) Any liquid has inherent properties associated with it. When measuring the force applied to the entire area of a liquid, which of the answers below are you trying to measure?
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?
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?
A true force balance negative feedback system is a force balance system?
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?
8 coulomb of charge requires how many electrons?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
Loss of pressure is a by product of several factors in a piping system. If the length of a straight section of pipe has the diameter doubled, which of the answers below would be the result?
State ⁴⁷⁸⁄₉₈ as a mixed fraction.
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.
There are several different ways to apply force to an actuator. Which one of the methods below would use a piston for operation?
The law of electrical charges states that unlike charges attract one another and like charges repel one another.
Solve for x: (3)(5)+9=x
The height of a free standing or rolling scaffold is restricted to no more than 3 times the smallest base dimension. This guideline comes from which of the acts below?
(310104b) Valves are a piece of equipment that needs to be replaced over time. Before removing,or servicing, an high pressure in-line valve, which of the procedures is the worker also responsible for?
All safety enclosures are tested in the factory to certify the maximum pressure released in an explosion that it can withstand. Which of the answers below would describe the testing required for a explosion-proof enclosure?
(310102m) A capacitor's voltage increases in a very predictable way. Which of the answers below represents the total time constant intervals required to achieve a full charge in a typical capacitor?
"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?