I B.Tech Supplementary Examinations, JUNE 2010 PROCESS ENGG. PRINCIPLES PROCESS ENGINEERING PRINCIPLES Bio-Technology Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
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1. (a) If the velocity distribution of a fluid over a plate is given by u=(3/4)y-y2 where u is the velocity in metre per sec at a distance of y meters above the plate, determine the shears stress at y=0.15 meters. Take the dynamic viscosity of the fluid as 8.5×10−5 kg-sec/m. (b) Classify the types of fluid.
[8+8]
2. (a) Show that the velocity distribution with respect to radius under laminar flow for a Newtonian fluid is a parabola.
or
(b) Find the drop in pressure due to the friction in a pipe of 250 m long and 125 mm diameter when water is flowing at a rate of 0.05m3 /sec. The pipe is of glazed porcelain e=0.0015mm; ( R/ρ v2 ) =0.0017. [8+8]
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3. (a) A mixture of vapors pass through a packed bed of glass spheres having density 2.4 g/cc each of diameter 0.5 cm. The pressure drop due to the flow is 405 kgf/m2 . The height of packed bed is 1.85 m. The density and viscosity of the vapor mixture are 3.8 ×10−3 g/cc and 0.015 cP respectively. Data: Cross sectional area of the packed column tube = 0.09 m2 Bed porosity = 0.4 Find the mass flow rate of the vapor mixture. Is the bed fluidized? (b) Explain the use of friction factor.
[8+8]
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4. A differential manometer is used to measure the pressure drop in a pipeline conveying methane gas at 20o C and 1 atm pressure. The two liquids in the differential manometer are kerosene (specific gravity 0.82) and water. The inside diameter of the reservoirs and the U-tube manometer are 5cm and 0.5cm respectively. If the reading in the manometer is 15cm, calculate the pressure difference indicated, when the change in levels in the reservoir (a) is neglected and
(b) is taken into account.
[8+8]
5. (a) Draw neat sketch of peristaltic pump and explain its construction. (b) Explain about the working principle of peristaltic pump.
[8+8]
6. Derive a general equation for the variation of pressure due to gravity from point to point in a static fluid. [16]
1
Code No: R07A12301
R07
Set No. 2
7. A solution contains 40% by weight of ethyl alcohol and 60% by weight of water at 300 C and 1 atm. Its specific gravity is 0.938. Calculate the following: (a) The mole fraction (b) The normality of the solution (c) The molarity of the solution and [5+5+6]
in
(d) The molality of the solution.
8. (a) What is the difference between unit operation and unit process? Discuss in detail.
Aj
nt
uW
or
?????
ld .
(b) What are the various unit operations and unit process involved in Bioprocessing? Explain indetail. [8+8]
2
Code No: R07A12301
R07
Set No. 4
in
I B.Tech Supplementary Examinations, JUNE 2010 PROCESS ENGG. PRINCIPLES PROCESS ENGINEERING PRINCIPLES Bio-Technology Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Show that the velocity distribution with respect to radius under laminar flow for a Newtonian fluid is a parabola.
ld .
(b) Find the drop in pressure due to the friction in a pipe of 250 m long and 125 mm diameter when water is flowing at a rate of 0.05m3 /sec. The pipe is of glazed porcelain e=0.0015mm; ( R/ρ v2 ) =0.0017. [8+8] 2. (a) What is the difference between unit operation and unit process? Discuss in detail.
or
(b) What are the various unit operations and unit process involved in Bioprocessing? Explain indetail. [8+8]
3. Derive a general equation for the variation of pressure due to gravity from point to point in a static fluid. [16]
uW
4. (a) A mixture of vapors pass through a packed bed of glass spheres having density 2.4 g/cc each of diameter 0.5 cm. The pressure drop due to the flow is 405 kgf/m2 . The height of packed bed is 1.85 m. The density and viscosity of the vapor mixture are 3.8 ×10−3 g/cc and 0.015 cP respectively. Data: Cross sectional area of the packed column tube = 0.09 m2 Bed porosity = 0.4 Find the mass flow rate of the vapor mixture. Is the bed fluidized?
nt
(b) Explain the use of friction factor.
[8+8]
Aj
5. (a) If the velocity distribution of a fluid over a plate is given by u=(3/4)y-y2 where u is the velocity in metre per sec at a distance of y meters above the plate, determine the shears stress at y=0.15 meters. Take the dynamic viscosity of the fluid as 8.5×10−5 kg-sec/m. (b) Classify the types of fluid.
[8+8]
6. A differential manometer is used to measure the pressure drop in a pipeline conveying methane gas at 20o C and 1 atm pressure. The two liquids in the differential manometer are kerosene (specific gravity 0.82) and water. The inside diameter of the reservoirs and the U-tube manometer are 5cm and 0.5cm respectively. If the reading in the manometer is 15cm, calculate the pressure difference indicated, when the change in levels in the reservoir (a) is neglected and 3
Code No: R07A12301
R07
Set No. 4
(b) is taken into account.
[8+8]
7. (a) Draw neat sketch of peristaltic pump and explain its construction. (b) Explain about the working principle of peristaltic pump.
[8+8]
in
8. A solution contains 40% by weight of ethyl alcohol and 60% by weight of water at 300 C and 1 atm. Its specific gravity is 0.938. Calculate the following: (a) The mole fraction (b) The normality of the solution (d) The molality of the solution.
ld .
(c) The molarity of the solution and
[5+5+6]
Aj
nt
uW
or
?????
4
Code No: R07A12301
R07
Set No. 1
in
I B.Tech Supplementary Examinations, JUNE 2010 PROCESS ENGG. PRINCIPLES PROCESS ENGINEERING PRINCIPLES Bio-Technology Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Derive a general equation for the variation of pressure due to gravity from point to point in a static fluid. [16]
(a) The mole fraction (b) The normality of the solution (d) The molality of the solution.
or
(c) The molarity of the solution and
ld .
2. A solution contains 40% by weight of ethyl alcohol and 60% by weight of water at 300 C and 1 atm. Its specific gravity is 0.938. Calculate the following:
[5+5+6]
uW
3. A differential manometer is used to measure the pressure drop in a pipeline conveying methane gas at 20o C and 1 atm pressure. The two liquids in the differential manometer are kerosene (specific gravity 0.82) and water. The inside diameter of the reservoirs and the U-tube manometer are 5cm and 0.5cm respectively. If the reading in the manometer is 15cm, calculate the pressure difference indicated, when the change in levels in the reservoir (a) is neglected and
(b) is taken into account.
[8+8]
nt
4. (a) Show that the velocity distribution with respect to radius under laminar flow for a Newtonian fluid is a parabola. (b) Find the drop in pressure due to the friction in a pipe of 250 m long and 125 mm diameter when water is flowing at a rate of 0.05m3 /sec. The pipe is of glazed porcelain e=0.0015mm; ( R/ρ v2 ) =0.0017. [8+8]
Aj
5. (a) A mixture of vapors pass through a packed bed of glass spheres having density 2.4 g/cc each of diameter 0.5 cm. The pressure drop due to the flow is 405 kgf/m2 . The height of packed bed is 1.85 m. The density and viscosity of the vapor mixture are 3.8 ×10−3 g/cc and 0.015 cP respectively. Data: Cross sectional area of the packed column tube = 0.09 m2 Bed porosity = 0.4 Find the mass flow rate of the vapor mixture. Is the bed fluidized? (b) Explain the use of friction factor.
6. (a) Draw neat sketch of peristaltic pump and explain its construction. 5
[8+8]
Code No: R07A12301
R07
Set No. 1
(b) Explain about the working principle of peristaltic pump.
[8+8]
7. (a) If the velocity distribution of a fluid over a plate is given by u=(3/4)y-y2 where u is the velocity in metre per sec at a distance of y meters above the plate, determine the shears stress at y=0.15 meters. Take the dynamic viscosity of the fluid as 8.5×10−5 kg-sec/m. [8+8]
in
(b) Classify the types of fluid.
8. (a) What is the difference between unit operation and unit process? Discuss in detail.
Aj
nt
uW
or
?????
ld .
(b) What are the various unit operations and unit process involved in Bioprocessing? Explain indetail. [8+8]
6
Code No: R07A12301
R07
Set No. 3
in
I B.Tech Supplementary Examinations, JUNE 2010 PROCESS ENGG. PRINCIPLES PROCESS ENGINEERING PRINCIPLES Bio-Technology Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
or
(b) Explain the use of friction factor.
ld .
1. (a) A mixture of vapors pass through a packed bed of glass spheres having density 2.4 g/cc each of diameter 0.5 cm. The pressure drop due to the flow is 405 kgf/m2 . The height of packed bed is 1.85 m. The density and viscosity of the vapor mixture are 3.8 ×10−3 g/cc and 0.015 cP respectively. Data: Cross sectional area of the packed column tube = 0.09 m2 Bed porosity = 0.4 Find the mass flow rate of the vapor mixture. Is the bed fluidized?
[8+8]
2. (a) What is the difference between unit operation and unit process? Discuss in detail.
uW
(b) What are the various unit operations and unit process involved in Bioprocessing? Explain indetail. [8+8] 3. A solution contains 40% by weight of ethyl alcohol and 60% by weight of water at 300 C and 1 atm. Its specific gravity is 0.938. Calculate the following: (a) The mole fraction
(b) The normality of the solution
(c) The molarity of the solution and
[5+5+6]
nt
(d) The molality of the solution.
4. Derive a general equation for the variation of pressure due to gravity from point to point in a static fluid. [16]
Aj
5. (a) Show that the velocity distribution with respect to radius under laminar flow for a Newtonian fluid is a parabola. (b) Find the drop in pressure due to the friction in a pipe of 250 m long and 125 mm diameter when water is flowing at a rate of 0.05m3 /sec. The pipe is of glazed porcelain e=0.0015mm; ( R/ρ v2 ) =0.0017. [8+8]
6. (a) If the velocity distribution of a fluid over a plate is given by u=(3/4)y-y2 where u is the velocity in metre per sec at a distance of y meters above the plate, determine the shears stress at y=0.15 meters. Take the dynamic viscosity of the fluid as 8.5×10−5 kg-sec/m. (b) Classify the types of fluid.
[8+8] 7
Code No: R07A12301
R07
Set No. 3
(a) is neglected and (b) is taken into account.
in
7. A differential manometer is used to measure the pressure drop in a pipeline conveying methane gas at 20o C and 1 atm pressure. The two liquids in the differential manometer are kerosene (specific gravity 0.82) and water. The inside diameter of the reservoirs and the U-tube manometer are 5cm and 0.5cm respectively. If the reading in the manometer is 15cm, calculate the pressure difference indicated, when the change in levels in the reservoir
[8+8]
8. (a) Draw neat sketch of peristaltic pump and explain its construction.
Aj
nt
uW
or
?????
8
[8+8]
ld .
(b) Explain about the working principle of peristaltic pump.
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