Pollution caused by cooling tower includes 1. Fouling 2. Limestone formation 3. Corrosion 4. All of above

Pollution caused by cooling tower includes
1. Fouling
2. Limestone formation
3. Corrosion
4. All of above
by

1 Answer

Answer :

All of above
by

Related questions

The presence of these pollutants can cause a series of problems. The main problems that are caused______ • are fouling, • limestone formation, • corrosion and biological • All of the above

Description : The presence of these pollutants can cause a series of problems. The main problems that are caused______ • are fouling, • limestone formation, • corrosion and biological • All of the above

Last Answer : All of the above

In cooling tower ,higher temperature __________ corrosion potential • Decrease • Increase • Temperature has no effect on corrosion

Description : In cooling tower ,higher temperature __________ corrosion potential • Decrease • Increase • Temperature has no effect on corrosion

Last Answer : Increase

What are present depend on cooling tower building material as well 1 pollution 2 population 3 dust 4 none of these

Description : What are present depend on cooling tower building material as well 1 pollution 2 population 3 dust 4 none of these

Last Answer : 1 pollution

The part of a nuclear power plant that prevents thermal pollution of lakes or rivers is the: w) reactor x) coolant/moderator y) cooling tower z) control rod

Description : The part of a nuclear power plant that prevents thermal pollution of lakes or rivers is the: w) reactor x) coolant/moderator y) cooling tower z) control rod

Last Answer : ANSWER: Y -- COOLING TOWER

In a gas-liquid shell and tube heat exchanger, the(A) Presence of a non-condensable gas decreases the condensing film co￾efficient (B) Gases under high pressure are routed through the tube side, because high pressure gases are corrosive in nature (C) Gases to be heated/cooled is normally routed through the shell side, because the corrosion caused by the cooling water or steam condensate remain localised to the tubes (D) All 'a', 'b' & 'c'

Description : In a gas-liquid shell and tube heat exchanger, the (A) Presence of a non-condensable gas decreases the condensing film co￾efficient (B) Gases under high pressure are routed through the tube side, because high pressure ... water or steam condensate remain localised to the tubes (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

In hyperboloid cooling towers the material is filled at 1. Tower’s bottom 2. Tower’s top 3. Near tower 4. None of above

Description : In hyperboloid cooling towers the material is filled at 1. Tower’s bottom 2. Tower’s top 3. Near tower 4. None of above

Last Answer : Tower’s top

Which among the following are the components of natural draft cooling tower a) Supply basin b) reinforced concrete c) Hot water distribution d) none of the above

Description : Which among the following are the components of natural draft cooling tower a) Supply basin b) reinforced concrete c) Hot water distribution d) none of the above

Last Answer : reinforced concrete

In the natural draft cooling tower_________ is not required a) Fan b) tower c) Nozzle d) none of the above

Description : In the natural draft cooling tower_________ is not required a) Fan b) tower c) Nozzle d) none of the above

Last Answer : Fan

In natural draft cooling tower the air flow is obtained by___________ a) Difference in air pressure b) difference in air temperature c) Difference in air speed d) none of the above

Description : In natural draft cooling tower the air flow is obtained by___________ a) Difference in air pressure b) difference in air temperature c) Difference in air speed d) none of the above

Last Answer : Difference in air pressure

Cooling tower is a ______device a) Heat absorption b) heat rejection c) Both a and b c) neither a nor b

Description : Cooling tower is a ______device a) Heat absorption b) heat rejection c) Both a and b c) neither a nor b

Last Answer : heat rejection

The ratio of dissolved solids in circulating water to the dissolved solids in makeup water is called a) Liquid gas ratio b) Cycle of concentration c) Cooling tower effectiveness d) None of the above

Description : The ratio of dissolved solids in circulating water to the dissolved solids in makeup water is called a) Liquid gas ratio b) Cycle of concentration c) Cooling tower effectiveness d) None of the above

Last Answer : Cycle of concentration

Which one of the following is true to estimate the range of cooling tower? a) Range = cooling water inlet temperature – wet bulb temperature b) Range = cooling water outlet temperature – wet bulb temperature c) Range = heat load in kcal per hour / water circulation in lines per hour d) None of the above

Description : Which one of the following is true to estimate the range of cooling tower? a) Range = cooling water inlet temperature - wet bulb temperature b) Range = cooling water outlet temperature - wet bulb temperature ... = heat load in kcal per hour / water circulation in lines per hour d) None of the above

Last Answer : Range = heat load in kcal per hour / water circulation in lines per hour

Cooling tower effectiveness is the ratio of a) Range/( Range + approach) b) Approach/(range + approach) c) Range /(range - approach) d) Approach/ /(range - approach)

Description : Cooling tower effectiveness is the ratio of a) Range/( Range + approach) b) Approach/(range + approach) c) Range /(range - approach) d) Approach/ /(range - approach)

Last Answer : Range/( Range + approach)

Natural draft cooling tower are mainly used in a) Steel Industry b) Alumina industry c) Fertilizer industry d) Power station

Description : Natural draft cooling tower are mainly used in a) Steel Industry b) Alumina industry c) Fertilizer industry d) Power station

Last Answer : Power station

How is air produced in mechanical draught cooling tower? a) Air Tuyeres b) Propeller fans c) Air blowers d) Louvre

Description : How is air produced in mechanical draught cooling tower? a) Air Tuyeres b) Propeller fans c) Air blowers d) Louvre

Last Answer : Propeller fans

In which system is Cooling of hot water is done on tray as step by? a) Mechanical draught cooling system b) Hyperbolic cooling tower c) Atmospheric cooling tower d) Wet cooling tower

Description : In which system is Cooling of hot water is done on tray as step by? a) Mechanical draught cooling system b) Hyperbolic cooling tower c) Atmospheric cooling tower d) Wet cooling tower

Last Answer : Atmospheric cooling tower

Which of the following is the simplest method of cooling the condenser water? • Spray cooling pond • Cooling tower • Indirect air cooling • Hyperbolic cooling tower

Description : Which of the following is the simplest method of cooling the condenser water? • Spray cooling pond • Cooling tower • Indirect air cooling • Hyperbolic cooling tower

Last Answer : Spray cooling pond

In which system is Cooling of hot water is done on tray as step by? a. Mechanical draught cooling system b. Hyperbolic cooling tower c. Atmospheric cooling tower d. Wet cooling tower

Description : In which system is Cooling of hot water is done on tray as step by? a. Mechanical draught cooling system b. Hyperbolic cooling tower c. Atmospheric cooling tower d. Wet cooling tower

Last Answer : Atmospheric cooling tower

The first hyperbolic cooling tower was built in... a. 1916 b. 1917 c. 1918 d. 1919

Description : The first hyperbolic cooling tower was built in... a. 1916 b. 1917 c. 1918 d. 1919

Last Answer : 1918

Normally the guaranteed best approach a cooling tower can achieve is _____. • 5°C • 12°C • 8°C • 2.8°C

Description : Normally the guaranteed best approach a cooling tower can achieve is _____. • 5°C • 12°C • 8°C • 2.8°C

Last Answer : 2.8°C

L/G ratio in a cooling tower is a ratio of _____. • Length and girth • Length and temperature gradient • Water flow rate and air mass flow rate • Air mass flow rate and water flow rate

Description : L/G ratio in a cooling tower is a ratio of _____. • Length and girth • Length and temperature gradient • Water flow rate and air mass flow rate • Air mass flow rate and water flow rate

Last Answer : Water flow rate and air mass flow rate

The ratio of dissolved solids in circulating water to dissolved solids in makeup water is called. • Liquid gas ratio • Cycle of concentration • Cooling tower effectiveness • None of the above

Description : The ratio of dissolved solids in circulating water to dissolved solids in makeup water is called. • Liquid gas ratio • Cycle of concentration • Cooling tower effectiveness • None of the above

Last Answer : Cycle of concentration

Cooling tower effectiveness is the ratio of _____. • Range/(range + approach) • Approach/(range + approach) • Range/ Approach • Approach/ Range

Description : Cooling tower effectiveness is the ratio of _____. • Range/(range + approach) • Approach/(range + approach) • Range/ Approach • Approach/ Range

Last Answer : Range/(range + approach)

A better indicators for cooling tower performance is _____. • Wet bulb temperature • Dry bulb temperature • Range • Approach

Description : A better indicators for cooling tower performance is _____. • Wet bulb temperature • Dry bulb temperature • Range • Approach

Last Answer : Approach

The ……….-induced response of cooling tower is the key factor to improve safety and to reduce tower crack. a) wind c) heat b) water d) steam

Description : The ……….-induced response of cooling tower is the key factor to improve safety and to reduce tower crack. a) wind c) heat b) water d) steam

Last Answer : wind

Cooling efficiency of a cooling tower is significantly affected under cross-wind condition and might decrease to……… in the range of moderate to high wind velocity condition. a) 50% c) 25% b) 75% d) 90%

Description : Cooling efficiency of a cooling tower is significantly affected under cross-wind condition and might decrease to……… in the range of moderate to high wind velocity condition. a) 50% c) 25% b) 75% d) 90%

Last Answer : 75%

The first hyperboloid shaped cooling tower was introduced by the Dutch engineers Frederik van Iterson and Gerard Kuypers and built in ……….. a) 1918 c) 1919 b) 1870 d) 1920

Description : The first hyperboloid shaped cooling tower was introduced by the Dutch engineers Frederik van Iterson andGerard Kuypers and built in ……….. a) 1918 c) 1919 b) 1870 d) 1920

Last Answer : 1918

. In which system is Cooling of hot water is done on tray as step by? a) Mechanical draught cooling system b) Hyperbolic cooling tower c) Atmospheric cooling tower d) Wet cooling tower

Description : . In which system is Cooling of hot water is done on tray as step by? a) Mechanical draught cooling system b) Hyperbolic cooling tower c) Atmospheric cooling tower d) Wet cooling tower

Last Answer : Atmospheric cooling tower

Which of the following faction affect the cooling tower performance? • The range • Heat load • Wet bulb temperature • All of the above

Description : Which of the following faction affect the cooling tower performance? • The range • Heat load • Wet bulb temperature • All of the above

Last Answer : All of the above

In ________ cooling tower there is no direct contact between the water and Air. • Dry type • Evaporative type • Once through • All of the above

Description : In ________ cooling tower there is no direct contact between the water and Air. • Dry type • Evaporative type • Once through • All of the above

Last Answer : All of the above

When sizing a cooling tower the highest anticipate__________ should be used? • Dry bulb • Wet bulb • Both dry and wet bulb • None of the above

Description : When sizing a cooling tower the highest anticipate__________ should be used? • Dry bulb • Wet bulb • Both dry and wet bulb • None of the above

Last Answer : Wet bulb

The pollutants that are present depend on __________ building material, as well. • Cooling tower • Water tower • Steam tower • Fire tower

Description : The pollutants that are present depend on __________ building material, as well. • Cooling tower • Water tower • Steam tower • Fire tower

Last Answer : cooling water

How do you service a cooling tower? • Ensure Proper Airflow. . Clean Your Tubes. • Inspect the Water Pump. • All of above

Description : How do you service a cooling tower? • Ensure Proper Airflow. . Clean Your Tubes. • Inspect the Water Pump. • All of above

Last Answer : all of above

. How can we increase the efficiency of a cooling tower? a. Save energy. b. Reduce the amount of water being consumed. c. Decrease the amount of chemicals required for water treatment. d. All of above

Description : . How can we increase the efficiency of a cooling tower? a. Save energy. b. Reduce the amount of water being consumed. c. Decrease the amount of chemicals required for water treatment. d. All of above

Last Answer : All of above

A ______ is a specialized heat exchanger in which air and water are brought into direct contact with each otherin order to reduce the water's temperature. a. Cooling tower b. Heating tower c. Both d. All are wrong

Description : A ______ is a specialized heat exchanger in which air and water are brought into direct contact with each otherin order to reduce the water's temperature. a. Cooling tower b. Heating tower c. Both d. All are wrong

Last Answer : cooling tower

How do you service a cooling tower? • Ensure Proper Airflow. Clean Your Tubes. • Inspect the Water Pump. • All of above

Description : How do you service a cooling tower? • Ensure Proper Airflow. Clean Your Tubes. • Inspect the Water Pump. • All of above

Last Answer : All of above

How can we increase the efficiency of a cooling tower? a. Save energy. b. Reduce the amount of water being consumed. c. Decrease the amount of chemicals required for water treatment. d. All of above

Description : How can we increase the efficiency of a cooling tower? a. Save energy. b. Reduce the amount of water being consumed. c. Decrease the amount of chemicals required for water treatment. d. All of above

Last Answer : d. All of above

Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan (A) With greater number of blades (B) Of increased diameter (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan (A) With greater ... (B) Of increased diameter (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Caves are frequently associated with a certain kin of topography that includes sinkholes, disappearing streams and many limestone outcrops. With which of the following topographies are such features related? w) arid topography x) valley and ridge topography y) Karst topography z) none of these

Description : Caves are frequently associated with a certain kin of topography that includes sinkholes, disappearing streams and many limestone outcrops. With which of the following topographies are such features related? w) arid topography x) valley and ridge topography y) Karst topography z) none of these

Last Answer : ANSWER: Y -- KARST TOPOGRAPHY

The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid (A) Its evaporation loss (B) Excessive corrosion (C) Uneconomic LMTD (D) Decrease in heat exchanger efficiency

Description : The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid (A) Its evaporation loss (B) Excessive corrosion (C) Uneconomic LMTD (D) Decrease in heat exchanger efficiency

Last Answer : (B) Excessive corrosion

During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to (A) Increase the rate of absorption (B) Avoid corrosion (C) Reduce the cooling water circulation rate (D) None of these

Description : During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to (A) Increase the rate of absorption (B) Avoid corrosion (C) Reduce the cooling water circulation rate (D) None of these

Last Answer : (B) Avoid corrosion

Differentiate induced draft and forced draft cooling towers based on (i) Location of fan (ii) Corrosion of blades (iii) Efficiency (iv) Fan size

Description : Differentiate induced draft and forced draft cooling towers based on (i) Location of fan (ii) Corrosion of blades (iii) Efficiency (iv) Fan size

Last Answer : Differentiate induced draft and forced draft cooling towers based on (i) Location of fan (ii) Corrosion of blades (iii) Efficiency (iv) Fan size

Is formation of limestone a physical or chemical change?

Description : Is formation of limestone a physical or chemical change?

Last Answer : I am not sure but I think it is Physical change.

When limestone is subjected to high temperature and pressure known as Metamorphism, it results in the formation of? a. Granite b. Quicklime c. Sandstone d. Marble

Description : When limestone is subjected to high temperature and pressure known as Metamorphism, it results in the formation of? a. Granite b. Quicklime c. Sandstone d. Marble

Last Answer : d. Marble

The aquifer of a famous artesian formation in the Great Plains is a layer of rock called the: w) Clinton limestone x) Dakota sandstone y) Pierre shale z) Vermont marble

Description : The aquifer of a famous artesian formation in the Great Plains is a layer of rock called the: w) Clinton limestone x) Dakota sandstone y) Pierre shale z) Vermont marble

Last Answer : ANSWER: X -- DAKOTA SANDSTONE

The cooling tower uses the phenomenon of evaporative cooling to cool warm water above the dbt of air. A. true B. false

Description : The cooling tower uses the phenomenon of evaporative cooling to cool warm water above the dbt of air. A. true B. false

Last Answer : ANSWER : B

The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is (A) Natural draft cooling tower (B) Induced draft cooling tower (C) Spray chamber (D) None of these

Description : The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is (A) Natural draft cooling tower (B) Induced draft cooling tower (C) Spray chamber (D) None of these

Last Answer : (C) Spray chamber

When the temperature and humidity of air is low, we usually use __________ draft cooling tower. (A) Natural (B) Forced (C) Induced (D) None of these

Description : When the temperature and humidity of air is low, we usually use __________ draft cooling tower. (A) Natural (B) Forced (C) Induced (D) None of these

Last Answer : (A) Natural

Make up water is supplied during cooling tower operation to compensate for water losses due to (A) Evaporation(B) Blowdown(C) Entrainment(D) All (A), (B) & (C)

Description : Make up water is supplied during cooling tower operation to compensate for water losses due to (A) Evaporation (B) Blowdown (C) Entrainment (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Heat load in a cooling tower (A) Means the amount of heat thrown away (KCal/hr.) by the cooling tower (B) Is equal to the number of kg, of water circulated times the cooling range (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Heat load in a cooling tower (A) Means the amount of heat thrown away (KCal/hr.) by the cooling tower (B) Is equal to the number of kg, of water circulated times the cooling range (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)