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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 green represent?
Convert 0.625 to a fraction.
In the WHMIS system, "Other poisons" is represented by which hazard class? Choose from the following answers.
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosure needs do be reduced from a Class I, Zone 1 to a Class I, Zone 2?
Density is a key component for measurement. Which of the formulas below represent the proper equation to find the density of an object?
(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?
The volume of a sphere is calculated with which correct equation?
The symbol for a voltage source is which of the below?
What is the area of a rectangles with sides measuring 15.5 cm, and 12.6 cm?
If a closed tank is pressurized to 125.345 kPa and the pressure gauge at the bottom of the tank reads 186.456 kPa, what head (in feet) of a liquid with a R.D. of 0.05 is contained in the tan
Both °F and °C are used in industry currently. Which of the answers below correctly identifies 145 °C to °F?
"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?
True force balance negative feedback system consists of:
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?
A parallel circuit reacts in specific ways to the to an open circuit. Which of the answers below best describes the reaction of the total line current to an open circuit?
There are several different notations on a length of pipe. Which of the notations below would have the thickest pipe wall?
"The ______ is divided between two series resistors in direct proportion to their resistance." The term that best fits to complete the sentence is which of the terms below?
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 0-15.5 meters. What is the fluid level if the transmitter signal is 78 kPa
What is the mass that is placed on a piston above a gas if the pressure exerted is 78554 Pa on a cylinder that has a 3 cm diameter
There are several terms that are used to describe the features of a particular thread type. Which of the terms below would best describe a thread with a 16 TPI?
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?
In a simple circuit, if E=6 V and R=5 ohms, what is the current of the circuit?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for infectious material with immediate and serious toxic effects?
Which type of actuators are widely used where a large amount of mechanical travel is necessary?
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?
A fume extracting welding gun works well with which other source of ventilation? Choose the best answer from the choices below
State the number 0.004675 using scientific notation and round the answers to three significant digits.
Movement of the actuator stem by air pressure applied to a flexible membrane is a characteristic of which actuator?
If the total error is 1.5 and the dead band error is 0.3, what is the hysteresis value?
If a battery has a rating of 133 Ah, theoretically it could provide 5.75 A for how long?
"pressure developed by a column of liquid" is the definition of which term
By the early 1800's, there had been several gas laws discovered. Which of those laws below is best described as "that at the same temperature and pressure, equal volumes of all gases contain the same number of molecules."?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. What is the current of the circuit?
A column of water at 4C, 6.5 meters in height exerts what amount of pressure?
(310102n) Instrument enclosures are all built to a NEMA standard. Which of the standards below would use materials that were resistant to corrosion in it's construction?
In the WHMIS system, "Dangerously reactive material" is represented by which hazard class? Choose from the following answers.
Soldering is a common method of joining metals. To be effective the which of the items below must have a lower melting point than the parent metals?
The 3 key elements of the WHIMIS system are, worker education, labels and ________. Choose from the answers below to fill in the blank.
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate across an orifice plate?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "PV=nRT"?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 0 R?
An absolute presser gauge is giving a reading of 7.8 PSI(a). Convert this reading to PSI(g) assuming a local barometric pressure of 11.3 PSI(a).
Isolate for "v" in the following equation: d=vt
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
What is the name of the part of a drill bit that gets fitted into the drill spindle?
This valve is primarily used in slurry service and is not over 8 inch in general
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?
In this circuit R1= 4 ohms, R2= 5 ohms and R3=9 ohms with the battery producing 40V. what is the voltage drop over R2
A car traveling west has an initial speed of zero, and accelerates at a rate of 4 m/s² for 6 seconds. What is the displacement of the car?
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?
Convert ¹⁰⁄₁₅ to a decimal.
Valves require several different styles of physical lock out device. Which of the styles below correctly identifies the device in the following picture?
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.
Which of the following is not affected by a positioner?
The CEC generates a gas grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would Acetylene belong to?
What are the three main elements of a regulator?
For every gas law there is a corresponding equation. Which of the gas laws below is represented by the equation "P₁V₁=P₂V₂"?
Calculate the relative density for a fluid that has a density of 748 kg/m³
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?
Bourdon measuring elements have tubes that are classified into three broad categories. Which of the tube types below would be moderately sensitive to pressure changes?
The properties of a gas are unique to its molecular make-up. Which of the terms below would best be defined as "is the pressure required to liquefy a gas at its critical temperature."?
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?
(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 leak-proof at any temperature or pressure
Heat is based on the movement of molecules. Which of the answers below correctly fills the blank in the following sentence, "Temperature is the measurement of the average _________ of the movement of molecules."
Solve for the missing side.
"A proportion of a whole expressed as a number between 0 and 100 rather than as a fraction."
The circumference of a circle is calculated with which correct equation?
When making a span adjustment, what is the first adjustment made?
There are several different ways to apply force to an actuator. Which one of the methods below would a vane actuator use for operation?
State the number 7.428 using scientific notation and round the answers to three significant digits.
To preform a "Span" adjustment the order of the step(s) is/are?
(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?
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
There are several components to a properly soldered joint. Which of the components below would be used during soldering to remove the oxide layer?
What pressure is exerted at the base of a tank that is 6.7 meters high, with a liquid that has a density of 1200 kg/m³?
Which pilot valve has two common supply connections, and two connections for output?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of blue represent?
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?
"An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force." is a description of which one of Newton's laws?
In the fraction A/B, is A the numerator?
There are subgroups of fuel for fires need to burn. Which of those subgroups would sulfur belong to?
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?
Which of the terms below is measured in "Joules"
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would prevent overshoot of the Zero?
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?
There are several vital components to a static pressure mechanism in a chart recorder. Which of the components below would be used as a span adjust?
(310104b) There are many different valves to be used for different processes. Which of the valve types below would be considered self-cleaning?
What is the pressure generated by a mass of 4 kg placed on a the top of a cylindrical piston with a 2 cm diameter filled with gas?
(310104d) A control valve is one of many FCEs that are used in industry. Which of the answers below reflects the relationship between a control valve and the process variable?
With the proper formula, "Work" is a measurable quantity. Which answer below represents the "force that is applied" part of that equation?
(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?
In a simple circuit, if I= 2 A and R=3 ohms, what is the voltage drop over the resistor of the circuit?
(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 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
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.
In the SI system, the unit for length is?
If tool crib attendant has 8 boxes of fittings, and one person takes 1 3/4 boxes, and another person takes 3 4/5 boxes, and another person brings back 2 1/4 boxes, how many boxes remain?
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?
Which organization sets standards for boots and safety glasses in Canada?