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Instrumentation: FIRST PERIOD

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

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"
A 100V power supply is outputting 2A, what size of resistor is in the circuit?
Convert ¹⁰⁄₁₅ to a decimal.
Circular chart recorders have several specific accessories. Which of the answers below would best describe the accessory that allows the additional measurement of differential and static pressures?
If a pressure change of 20 kPa to 100 kPa is to fully stroke a valve, what strength of spring must be used. The control valve has a stem travel of 3.5 cm and the effective area of the diaphragm is 0.05 m^2
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
A key component of removing or field servicing a control valve is the lockout device. Which of the devices below is best described as one that has no possibility for accidental removal?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, verifying a physical lock or securing method is placed on all isolating devices, would be which of the steps below?
When 15 C passes by a point in a wire in 7 seconds, what is the current in amperes?
(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??
There are several different ways to apply force to an actuator. Which one of the methods below would use a solenoid for operation?
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 decrease in resistive load?
From the information given in the diagram below, what is the current flowing on branch R2?
What is the purpose of the PTC switch in a lithium battery?
Calculate the normal force exerted by an object that has a mass of 5.7 kg.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "3" in the picture below?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 10, but less than 1000 hours a year?
Solve for the hypotenuse.
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?
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "2" in the picture below?
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 decrease in resistive load?
Matter that is compose of only one atom is called what?
The prefix "Milli" can be expressed as?
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 transmitter output signal if the fluid level is at 8.65 meters?
In the contract of apprenticeship, there are several responsibilities that all parties have. Which of the parties below would have the responsibility to complete acceptance and release cards are properly filled out and submitted to the proper authority?
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?
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 only?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the amount of work done in 15 mins by a 45 hp motor?
State the number 40.021 x 10⁻¹ using decimal notation and round the answers to three significant digits.
The volume of a sphere is calculated with which correct equation?
If a battery has a rating of 120 Ah, theoretically it could provide 12 A for how long?
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?
"To cause the valve to close, an increase in air pressure to the actuator is required" is the definition of?
There are several different types of layout tools used in industry. Which of the tools below best represents the following picture?
Labels are an important piece of the WHIMS structure. Which of the labels below would be used when damage occurs to the original supplier label?
Reduce ⁹⁄₁₄ and state as a proper or mixed fraction.
There are many different parts to a parallel circuit. Which of the answers below corresponds correctly with the number "5" in the picture below?
"Energy" is a calculated quantity. Which of the formulas below would be used to calculate gravitational potential energy?
In the WHMIS system, this symbol represents which hazard class? Choose from the following answers.
Material safety data sheets are required to be accompany all controlled substances from the supplier. There are _______ that make up these sheets, providing more detail than the label. Use the answers below to fill in the blank
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
(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 be connected to a flange that was one-holed?
(310102c) Resistors have several construction methods. Which of the resistors below would make use of a binder?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
"A fraction in which the numerator is greater than the denominator", is a description of which type of fraction?
In Unified National nomenclature what does the "12" represent in this bolt class- 1/2-12-UNC 2B
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?
"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?
Use the answers below to fill in the blanks of the following sentence. "The _____ of the plates in a capacitor is _______ to it's capacitance."
there are numerous pieces of rigging equipment. Which of the answers below correctly identifies the item in the picture that follows?
Which of the terms below is the best definition by the statement, "An electric current in which the flow reverses consistently."?
(310102c) Resistors are commonly rated in 3 distinct ways. Which of the answers below would best relate a "resistance" rating?
Convert ¹⁸⁄₅ to a decimal.
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?
A mass of 6 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
(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?
There are several types of measuring elements used in industry. Which of the answers below is best represented by the picture below?
There are several types of soldering irons that are available in industry. Which type of soldering iron below would be used for speedy repairs where electrical power is restricted or unavailable?
Under the Workers compensation act, are apprentices and learners entitled to compensation?
A mass of 6 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
When servicing or troubleshooting a valve there are several steps that must be completed. In controlling hazardous energy, isolating all sources of energy to the work area would be which of the steps below?
Calculate the relative density for a liquid whose density is =743.2 kg/m³.
A piece of metal with a length 13 1/4" is cut into 2 pieces. If one piece is 5 3/4' long, determine the length of the other piece.
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?
"A quantity having direction as well as magnitude," is a description of which mathematical term?
State the number 236.478 x 10¹¹ using scientific notation and round the answers to three significant digits.
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?
(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?
(310102c) Resistors have several construction methods. Which of the resistors below would have 1 fixed terminal and a sliding contact?
If the total error is 1.9 and the dead band error is is 0.8, what is the hysteresis value?
Of the terms below, what is "Work" measured in?
When selecting a valve for a piping system, several factors must be considered. Which of the terms below can be correctly described by the statement, "Constitutes the pressure differential generated between two defined points through various ares of loss."
(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 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for poisonous biohazardous material?
The radius of a circle is calculated with which correct equation?
Electrical conduit is used to protect the cables running to the instruments. Which of the types of conduit below would be used in a corrosive atmosphere?
Scaffolds use is daily occurrence at most job sites. Any scaffold that is constructed must be designed to handle _____ times the potential load placed on it. Use that answers below to correctly fill in the blank.
What does the term "Cv" represent in calculating pressure drop?
Convert the following quantities to the units asked for: 27000 seconds to hours.
Convert ⅘ to a decimal.
Isolate for"h" in the following equation y=(h-t)/r
Convert ⁸⁄₁₉ to a decimal.
To perform a "Zero" adjustment the order of step(s) is/are?
Certain categories of tubing has specific applications in industry. Which of the categories below would be used in applications where no internal pressures need to be tolerated?
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?
Use the answers below to correctly fill in the blanks. "Resistance of a conductor is________ to it's ______."
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
What is the name of the tool used to cut internal threads after drilling a hole?
(310101c) Copper tube is the most used type of tubing in industry. What type of colour code would a Type ACR tube type typically have?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for more than 1000 hours a year?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
(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?
The two main functions of a negative feedback system are:
There are two types of designations in Alberta for trades. Which of the answers below is the one condition that separates them?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "3"?
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?
(310101c) There are several different styles of flared and flareless fittings. Which of the styles below would commonly use a O-ring seal style fitting?
The sliding Vernier calipers are a widely used measuring device. Which of the parts below best relates to "4"?
"This type of breathing apparatus is designed to allow a reserve of air for 5-10 minutes." The answer below that this statement best describes is which one?
When making an angularity adjustment, what is the first adjustment made?