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Instrumentation: FIRST PERIOD

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

(310103d) There are several different designs of regulator. The setpoint in a spring-loaded regulator is controlled by which of the answers below?
The power source is 24V and the resistance is 8Ω what is the current of the circuit?
Choose the correct order of mathmatical operations.
There are several key concepts to understand when dealing with pressure measurement. Which of the terms below would best be described as,"the measure of the intensity of the force imposed on this object by the local gravitational field"?
(310101c) There are many specialized applications for copper tube. Which of the copper tube type would be used in a refrigeration system?
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 common methods for classifying pipe is by NPS and DN. Which of the answers below are these methods used for the classification of piping?
With respect to pressure drop, which control; valve has "high" recovery characteristics?
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?
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
Which type of pilot valve has one supply connection and two output connections?
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?
There are several broad categories of tubing applications. Which of the categories below would steel tube be most commonly used for?
With the proper formula "Work" is a measurable quantity. Which answer below represents the part of that equation that is measured in "joules"?
Calculate 4/7 + 2/5, and state answer as a proper or mixed fraction
When dealing with welding gases and fumes, it is a good practice to limit your exposure to them. The first option to reduce exposure to these fumes and gases is to weld in which of the following locations?
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?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Before entering a confined space for the first time or re-entering after a break, it is a good practice to do which of the following?
The area of a circle is calculated with which correct equation?
A fire is burning in a pile of weathered, oily blankets. Which of the following extinguishers should you use to fight this fire?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "1" in the picture below?
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
"This workplace hazard consists of organisms or organic matters produced by these organisms that are harmful to human health." This statement best describes which of the hazards below?
Which term can be defined as the pressure measured from absolute zero?
True force balance negative feedback system consists of:
convert 4 ⁴⁄₁₁ to an improper fraction.
In the WHMIS system, "Corrosive materials" is represented by which hazard class? Choose from the following answers.
Calculate the normal force exerted by an object that has a mass of 6732 grams
The perimeter of a square is calculated with which correct equation?
Convert the following quantities to the units asked for: 1.75 hours to minutes.
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 different types of carbon steel in any piping system. Which of the types below would have more than a 0.6%% carbon content?
"Is a triangle with two congruent sides and congruent base angles." is a description of which mathematical term?
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?
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?
What is the density of water?
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?
There are may different trades and occupations within Alberta. Which of the answers below correctly identifies the number of Alberta designations?
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."?
There are several terms used when describing circuitry or equipment on hazardous locations. Which of the terms below would be best described as electrical/electronic circuitry that is incapable, under normal operating conditions, of causing ignition of a specified flammable gas-air, or vapor-air,mixture?
What type of flux is generally used the most in electronic soldering?
In the WHMIS system, "Compressed gas" is represented by which hazard class? Choose from the following answers.
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
Class I, Zone 1 locations can use i, ia and ib intrinsically safe equipment. Which of the answers below correctly identifies the number of faults that the "i" equipment can withstand?
"An electric circuit in which the normal path of current has been interrupted." is the best description of which of the terms below?
How is the term "Cv" calculated?
What is usually referred to when loading an ammeter?
The desiccant head adsorbes water vapour due to which?
The prefix "Micro" can be expressed as?
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 2 to non-hazardous?
There are several varieties of manufactured resistors. Which of the answers below is generally regarded as the most common resistor?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
There are several methods to routing and protecting cable, tubing, and insulated impulse lines. Which of the answers below would be best describe a major difference between cable tray and metal conduit?
(310103d) Regulators deal with a consistent pressure reduction. Which category of regulator is pictured below?
(310105d) The amount of power an applied force uses is a measurable quantity. Which of the units below would be equal to 1 hp of power?
There are many electrical symbols used in industry today. Which of the answers below correctly identifies the following symbol?
(310103d) There are several essential components to a pressure regulator. Which of the components below would be used as a measuring element?
(310102g) Energy can transition between various forms. Which of the terms below can be best described as the percentage of total energy input to a machine or equipment that is consumed in useful work and not wasted as useless heat?
There are a number of steps to calibrating a two pen chart recorder. Which of the steps below would the pen pressure adjustment/verification be?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "ppwer" rating?
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?
There are several different types of hammers used in industry. Which of the hammers below best represents the following picture?
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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?
(310101c) There are many specialized applications for copper tube. Which of the copper tube colour code would be used in a compressed medical air system?
(310102c) Resistors have several construction methods. Which of the resistors below would have the highest tolerance for temperature?
A mass of 5 kg is placed on top of a spring and that spring compresses 6 cm. What is it's spring rate?
Locking out energy sources physically is a vital part of servicing valves. Which of the valves below would you use a circular lockout device on the handle?
(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, prior to any work, the administrative procedures to be in place?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a single ferrule style fitting?
(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 the grounding circuits that are isolated?
If you have 40 hammers and 50 chisels, what is your ratio of hammers to chisels?
All objects have mass which is affected by gravity. Which of the answers below represents the SI approximate value for acceleration due to gravity?
There are many studies on how pressure and force affect fluids. "Fluid pressure is exerted in all directions." is one of the principles of which answer below?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type K tube type typically have?
An extraction hood attached to a system of flexible ductwork would be an example of which of the answers below? Use the options below to choose the best answer.
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?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
"Is the quantity that expresses the extent of an enclosure of a two-dimensional figure or shape." is the description of which mathematical term?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "2"?
(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 the installation of cathodic protection?
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?
From the information given in the diagram below, what is the current flowing on branch R1?
(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 different items involved in removing or installing a flanged control valve. Which of the items below provides the seal between the flanges?
Inductive reactance is the _________________ to change in current created by coil in an AC circuit.
With the proper formula "Work" is a measurable quantity. Which answer below represents the "displacement" part of that equation?
"Either of two angles that added together produce an angle of 90°" is a description of which mathematical term?
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 fluid level if the transmitter signal is 56 kPa
Worker education is the responsibility of the:
"The heat required to raise the temperature of the unit mass of a given substance by a given amount with no change in it's phase:, is a description of which physics term?
The categories of workplace hazards have been broken down to _____ main areas. Using the answers below fill in the blank.
The symbol for a amperes is which of the below?
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.
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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be used in applications having 1 MPag?
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?
A "wheel and axle" is an example of which type of machine?
"A particular material or class of materials, that is a hazardous substance in workplace air, has an upper limit on the acceptable concentrations." This statement best describes which of the following answers?