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Instrumentation: FIRST PERIOD

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

Which of the terms below is best described by the following statement, "Defines the direction of current flow in an electrical circuit."?
A 15 kg wagon is moving west with a speed of 3 m/s. Determine it's momentum.
"The heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature", is a description of which physics term?
What is the area of a semi-circle with a diameter of 2.45m?
The supplier label:
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 6 cm diameter filled with gas?
The perimeter of a rectangle is calculated with which correct equation?
Most electrical properties have an equation linked to them. In the equation L= (N²μA)÷ƪ, which of the answers below does the "ƪ" represent?
"An angle that measures less than ninety degrees but more than zero degrees" is a description of which mathematical term?
(310105d) Hp is a common term seen to rate power. Which of the answers below reflects the conversion of 278 hp to watts?
A true force balance negative feedback system is a motion balance system?
What is the formula to calculate Hydrostatic peressure
"Is done when a force that is applied to an object and moves that object." is a description of which mathematical term?
When an atom loses an electron, it is commonly referred to as which of the below?
State the number 7.428 using scientific notation and round the answers to three significant digits.
There are 5 separate classifications in the WHIMIS system. Which of those classifications is correctly represented by the following symbol?
A mass of 7 kg is placed on top of a spring and that spring compresses 8 cm. What is it's spring rate?
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?
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?
Ladders have specific designs for specific applications. Which of the answers below correctly identifies the ladder in the following picture?
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).
What is the pressure generated by a mass of 2 kg placed on a the top of a cylindrical piston with a 4 cm diameter filled with gas?
There are 5 separate classifications in the WHIMIS system. Which of the following classifications is responsible for dangerously reactive material?
The relationship between the 4 temperature scales is very important to understand. Which of the answers below correctly corresponds to 212 °F?
Covert 34.5 kPa to psi.
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?
"An electric circuit in which the electric passes through each circuit element in order." is the best description for 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 0-9 meters. What is the fluid level if the transmitter signal is 56 kPa
There are several vital components to a differential pressure unit in a chart recorder. Which of the components below would move as the direct result of the rotation of the torque shaft?
A worker is grinding 6m away from another worker refueling a diesel welder. Is there any workplace infraction occurring in this situation? Choose the best answer below for answering this.
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of red represent?
Ozone, carbon monoxide, hydrogen chloride and phosgene are all gases that can be created by different types of welding. Of the answers below, choose the best one that they all have in common.
The prefix "Centi" can be expressed as?
In the WHMIS system, "Oxidizing material" is represented by which hazard class? Choose from the following answers.
Calculate the gain when a change from 0.25 psig to 1.5 psig in nozzle backpressure and a change from 3 psig to 20 psig in the relay output occurs.
If a battery has a rating of 60 Ah, theoretically it could provide 3.3 A for how long?
Hazardous locations are further divided into specific zones and divisions. Which of the answers below would apply if flammable vapours were present for less than 10 hours a year?
Which of the laws below can be best described by the following statement, "The strength or intensity of an unvarying electric current is directly proportional to the electromotive force and inversely proportional to the resistance of the circuit"?
There are some terms that are associated with capacitors. Which of the terms below is defined as the permittivity of a given material relative to that of the permittivity of a vacuum.
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?
Calculating absolute pressure is achieved by?
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?
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?
Alloy steels are very common in industry. Which of the types of alloy steel would "Austenitic" piping be?
(310101c) There are a wide variety of tubing fitting types with specific name describing them. Which of the fittings below would best be used when connecting larger OD tube to a smaller OD tube?
In the SI system, the unit of force is?
(310102c) Manufactured resistors have two broad categories. Which of the resistors below would be considered as a fixed resistor?
There are numerous guidelines provided in section 18, appendix B, from the CEC. Which of the rules from that appendix would relate to ignition temperatures?
Convert 75kPa to Kpa(a) Barometer is 97.8 kPaa
Chart recorders have a couple of specific applications. Which application below would best describe the charting of results from a flow rate close to an orifice plate?
There are several varieties of manufactured resistors. Which of the answers below is constructed with a ceramic core?
Convert 0.125 to a fraction.
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 normal force exerted by an object that has a mass of 5.7 kg.
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?
A _________ has the air connection usually under of the diaphragm.
(310104d) Valve positioners provide several advantages over standard valves. Which of the advantages below would best relate to the flexibility of operating modes?
"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?
Convert ¹⁰⁄₁₅ to a decimal.
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?
State ⁶⁵⁄₁₄ as a mixed fraction.
There are several different ways to apply force to an actuator. Which one of the methods below would have the highest pressure transmission rate during operation?
If a closed tank is pressurized to 18 psig and the pressure gauge at the bottom of the tank reads 39 psig, what head (in meters) of a liquid with a R.D. of 0.76 is contained in the tank
A mass of 5 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
A mass of 5 kg is added to the top of a spring and causes the spring to compress 2 cm. What is the spring rate for this spring?
34.450 in engineering notion is what?
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 lag in response exhibited due to the absorption of energy in a measuring instrument." is the best description of which term?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
What is the pressure generated by a mass of 5 kg placed on a the top of a cylindrical piston with a 3 cm diameter filled with gas?
Which of the terms below is measure in "watts"
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
There are many studies on how pressure and force affect fluids. "Fluid volume does not affect pressure." is one of the principles of which answer below?
Which type of pilot valve has one supply connection and two output connections?
The CEC generates a dust grouping based on the potential combustion, and results of combustion of each type. Which of the groups below would metallic, hazardous dust belong to?
(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??
Purging is an effective means of reducing the potential hazards of an enclosure. Which of the answers below best describes the type of pressure produced in the enclosure by purging?
"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?
If a closed tank is pressurized to 30 psig and the pressure gauge at the bottom of the tank reads 45 psig, what head (in meters) of a liquid with a R.D. of 0.45 is contained in the tank?
Many electrical properties have specific symbols attached to them. Which of the symbols below would be the correct for inductance?
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?
Determine the voltage V(ad) with R1=70k ohms, R2= 136k ohms and R3= 360K ohms, with a current of 0.754 mA
A mass of 7 kg is placed on top of a spring and that spring compresses 5 cm. What is it's spring rate?
There are many terms associated with "Energy". Which term below is correctly described as, "is the energy of physical positioning."?
(310101c) Copper tube is the most used type of tubing in industry. What type of copper tubing would a colour code of green represent?
Tubing has many distinctive applications in industry. Which of the associations below provides the standards commonly used for tubing in instrumentation?
The trigonometric ratio of tangent is calculated with which mathematical equation?
To solder a joint, there are steps that need to be followed to succeed. Which of the steps below would involve coating the iron tip with a small amount of solder?
Burns have a classification by degree. If you have a surface burn, it would be considered which of the following?
WHIMIS was put in place to regulate controlled products in the workplace. Which of the federal regulatory bodies below would oversee the suppliers of these products?
(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 of transformer circuits for instruments?
State 3 ⅞ as a mixed fraction.
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
Hysteresis can only be calculated.
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?
1 pound force is equal to
There are several types of purge/pressurization permits that are available. Which of the permits below would best be used when an enclosures classification must be reduced from Class I, Zone 1 to non-hazardous?
From the information given in the diagram below, what is the current flowing on branch R2?
The types of tube available in industry are somewhat application specific. Which of the tube types would be best suited for a corrosive process?
In any intrinsically safe loop there are several main items that are vital to the loop. Which of the answers below contains those items?