Homework Answers
a)For temperature measurment ,the physical quantity we can use the volume of mercury or length of mercury column in a thermometer.if we are using thermocouple the physical principle is seebeck effect.In pyrometer radiation effect is the principle.
b)pressure signals we are using to control the flow rates.Analog signals are using for sensor reading,and also many control valves are using as final control element.
c)Float actuated devices,Displacer devices,Dielectric measurments,Conductivity measurments,Sonic resonance
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Measurement is required for different purposes within a chemical plant. Discuss the physical principles which can b...
Four large tanks at a chemical plant contain different liquids being bested. Liquid-level sensors are used...
Four large tanks at a chemical plant contain different liquids being bested. Liquid-level sensors are used to detect whenever the level in thanks A and B rises. Above a predetermined level Temperature sensor in tanks C and D detect when the temperature in these drops below a prescribed temperature limit. Assume that the liquid-level sensor outputs(A and B)are LOW (0) when the level is satisfactory and HIGH(1)when the level is too high. Also, the temperature-sensor outputs (C and D)are LOW(0)when...
Self-Test 1. What system of measurement is used by scientists worldwide in their experiments? 2. What...
Self-Test 1. What system of measurement is used by scientists worldwide in their experiments? 2. What is the conversion factor for expressing measurements in different units within the metric system? For each measurement in Questions 3-8, give the metric unit of measure that would be most appropriate for expressing the quantity: 3. The length of your index finger 4. The distance between UNCG and the Atlantic Ocean 5. The amount of soda in a can from the vending machine 6....
Potential temperature can be used to compare the temperature of air parcels that are at different...
Potential temperature can be used to compare the temperature of air parcels that are at different levels in the troposphere. Since temperature tends to decrease with height, it is difficult to note which regions in the troposphere are experiencing warm and which cold advection. Bringing air parcels adiabatically to a standard level (1000 hPa) allows comparisons to be made between air parcels at different elevations. If the potential temperature of an air parcel at one pressure level is lower than...
1,2,3,5,8,10,11 QUESTIONS What are the two ty cachay is land different from other plant assets? yo...
1,2,3,5,8,10,11
QUESTIONS What are the two ty cachay is land different from other plant assets? yo major types of long-term assets that require a periodic write-off? Present examples for each type of asset the term that denotes the periodic write-off to expense. is what amounts constitute the acquisition cost of plant assets? ny bought land with a vacant building for $400,.000. Foss will use the building in its opera- oss allocate the purchase price between the land and building? Why...
Q-1 What is irreversibility in a power plant, what are types of irreversibility?
Q-1 What is irreversibility in a power plant, what are types of irreversibility?Q-2 What is a pinch point? What is its effect on the size and efficiency of the steam generator?Q-3 What is the mean temperature of heat addition? What is its effect on cycle efficiency? Explain the different methods by which the mean temperature of heat addition can be increased.Q-4 How is the maximum and minimum pressure of a steam cycle is decided - How can we address the...
An Otto engine is operating with natural gas which can be approximated as an ideal gas....
An Otto engine is operating with natural gas which can be approximated as an ideal gas. Assuming the engine is at standard condition (25°C, 1 atm) before the compression process. Also, temperature of the Otto cycle after the combustion process is 1500 K. (a) Assuming compression ratio of the Otto engine as 8, 9 and 10, determine the corresponding temperatures of the natural gas-air mixture (natural gas with 100% excess air) after the compression. (b) Determine the thermal energy release...
please help me with these annoying multiple choice questions. Thanks Which of the following statements about the reaction shown on the right, in figure 2, is correct? 8. a.) The activation...
please help me with these annoying multiple choice
questions. Thanks
Which of the following statements about the reaction shown on the right, in figure 2, is correct? 8. a.) The activation energy of the reverse reaction is smaller than that On patential of the forward reaction b.) The reaction is endothermic c.) The second step of the reaction mechanism is the rate determining step d.) This mechanism is composed of two steps Figure 2: Potential energy diagram of a hypothetical...
1 - Almost all processes, regardless on whether they are goods or services, exhibit some type...
1 - Almost all processes, regardless on whether they are goods or services, exhibit some type of variation in their output. For example, a box of cereal may say that it contains 16 ounces, but in reality, it may be a little bit more, or a little bit less. The machine pouring the cereal into the box may not be adjusted properly, and it may only put 15.8 ounces in each box, on the average. This would be considered an...
Chapter 8 Physical Security 1. Which term refers to any media used to boot a computer...
Chapter 8 Physical Security 1. Which term refers to any media used to boot a computer into an operating system (OS) that is not the native OS on its hard drive? A. Bump key B. Token C. Smart disk D. Bootdisk 2. Stealing a computer, using a bootdisk to erase all data on the drives, or simply unplugging computers are all effective __________ attacks. A. denial-of-service (DoS) B. road apple C. man-in-the-middle D. eavesdropping 3. In terms of physical security,...
only one problem (Exercise 1-11 only) Uncertainties in Measurement and Propagation of Errors one measurement is...
only one problem (Exercise 1-11 only)
Uncertainties in Measurement and Propagation of Errors one measurement is made and often the peecision of the instrument is used as arn mate of the uncertainty. the instrument and the situation, the uncertainty Depending upon could be less than the precision of the instrument or it could be more. For example, in measuring we may estimate the distance between the small est subdivision (mm) if we rurn the meter stick onto its side to...
Four large tanks at a chemical plant contain different liquids being bested. Liquid-level sensors are used to detect whenever the level in thanks A and B rises. Above a predetermined level Temperature sensor in tanks C and D detect when the temperature in these drops below a prescribed temperature limit. Assume that the liquid-level sensor outputs(A and B)are LOW (0) when the level is satisfactory and HIGH(1)when the level is too high. Also, the temperature-sensor outputs (C and D)are LOW(0)when...
Self-Test 1. What system of measurement is used by scientists worldwide in their experiments? 2. What is the conversion factor for expressing measurements in different units within the metric system? For each measurement in Questions 3-8, give the metric unit of measure that would be most appropriate for expressing the quantity: 3. The length of your index finger 4. The distance between UNCG and the Atlantic Ocean 5. The amount of soda in a can from the vending machine 6....
Potential temperature can be used to compare the temperature of air parcels that are at different levels in the troposphere. Since temperature tends to decrease with height, it is difficult to note which regions in the troposphere are experiencing warm and which cold advection. Bringing air parcels adiabatically to a standard level (1000 hPa) allows comparisons to be made between air parcels at different elevations. If the potential temperature of an air parcel at one pressure level is lower than...
1,2,3,5,8,10,11
QUESTIONS What are the two ty cachay is land different from other plant assets? yo major types of long-term assets that require a periodic write-off? Present examples for each type of asset the term that denotes the periodic write-off to expense. is what amounts constitute the acquisition cost of plant assets? ny bought land with a vacant building for $400,.000. Foss will use the building in its opera- oss allocate the purchase price between the land and building? Why...
please help me with these annoying multiple choice
questions. Thanks
Which of the following statements about the reaction shown on the right, in figure 2, is correct? 8. a.) The activation energy of the reverse reaction is smaller than that On patential of the forward reaction b.) The reaction is endothermic c.) The second step of the reaction mechanism is the rate determining step d.) This mechanism is composed of two steps Figure 2: Potential energy diagram of a hypothetical...
only one problem (Exercise 1-11 only)
Uncertainties in Measurement and Propagation of Errors one measurement is made and often the peecision of the instrument is used as arn mate of the uncertainty. the instrument and the situation, the uncertainty Depending upon could be less than the precision of the instrument or it could be more. For example, in measuring we may estimate the distance between the small est subdivision (mm) if we rurn the meter stick onto its side to...
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