Description : What are built to cool down the cooling water in a power plant 1 Towers 2 Cooling pond 3 Air filter 4 non of these
Last Answer : 1 Towers
Description : How is air produced in mechanical cooling tower 1 air fan 2 propeller fans 3 air blowers 4 propeller blowers
Last Answer : 2 propeller fans
Description : Which of the following is the simplest method of cooling the condenser water? a. Spray cooling pond b. Cooling tower c. Indirect air cooling d. Hyperbolic air cooling
Last Answer : a. Spray cooling pond
Description : How is air produced in mechanical draught cooling tower? A] Air Tuyeres. B] Propeller fans C] Air blowers. D] Louvre
Last Answer : B] Propeller fans
Description : Which of the following is the simplest method of cooling the condenser water? A] Spray cooling pond B] Cooling tower C] Indirect air cooling D] Hyperbolic cooling tower
Last Answer : A] Spray cooling pond
Description : Hyperbolic cooling towers used in a) Coal-fired power plant b) Nuclear plants c) Thermal power plant d) All of these
Last Answer : d) All of these
Description : Which of the following gives out highest pollutants to the atmosphere 1 cooling tower 2 water tower 3 steam tower 4 fire tower
Last Answer : 3 steam tower
Description : The __________ that are present depend on cooling tower building material, as well. Cooling towers are built of concrete, wood, plastic or metal. a. Heat b. Pollutants c. Cold d. All of Above
Last Answer : b. Pollutants
Description : _______ cooling towers use a process similar to the one found in small evaporative cooling units. a. Hyperboloid b. Tower c. Condensate loop d. None
Last Answer : a. Hyperboloid
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
Description : How is water circulated throughout the dry cooling tower system? a. Finned tubes b. Metal pipes c. Porous tubes d. Swifting tubes
Last Answer : a. Finned tubes
Description : Which one of the following the maximum effect on cooling tower performance A Fill media B Drift C Lourvers D Casing
Last Answer : A Fill media
Description : Approximately about________ of cooling in cooling tower is through The sensible cooling A 5% B 80% C 20% D 40%
Last Answer : C 20%
Description : Natural draft in hyperbolic cooling tower is used for production of a) Fertilizer b) Steel c) Chemical d) Electrical energy
Last Answer : d) Electrical energy
Description : Design of hyperbolic cooling tower standard for all cooling tower a) Mechanical draft b) Natural draft c) Both a & b d) Neither a & b
Last Answer : b) Natural draft
Description : How is water circulated throughout the dry cooling tower system? A] Finned tubes. B] Metal pipes C] Porous tubes. D] Swirling tubes
Last Answer : A] Finned tubes.
Description : The hyperboloid shape also aids in accelerating the upward convective air flow, improving __________ efficiency. a. Heating b. Warming c. Cooling d. Cold
Last Answer : c. Cooling
Description : How does outside air enter into the wet cooling system? A Air vents B Louvers. C Tuyeres D Vacuum
Last Answer : B Louvers
Description : The open cooling is also called as? A Parallel system B Once through system C Air based system D Nonreversible system
Last Answer : B Once through system
Description : How does outside air enter into the wet cooling system? A] Air vents B] Louvers. C] Tuyeres D] Vacuum
Last Answer : B] Louvers.
Description : Open cooling system is also called as ____________ A] parallel system B] once through system C]air based system. D] non-reversible system
Last Answer : B] once through system
Description : What type of cooling system is used in the large power plants? a. Cooling ponds b. Natural flow system c. Cooling towers d. Single deck system
Last Answer : c. Cooling towers
Description : Hyperbolic cooling towers generally used in the a) Steel industry b) Fertilizer industry c) Alumina industry d) Power industry
Last Answer : d) Power industry
Description : What type of cooling system is used in the large power plants? A] Cooling ponds B] Natural flow system C] Cooling towers. D] Single deck system
Last Answer : C] Cooling towers.
Description : Hyperboloid cooling towers have become the design standard for all _______draft cooling towers because of their structural strength and minimum usage of material. a. Natural b. Induce c. Force d. None
Last Answer : a. Natural
Description : In which type of cooling pond system are nozzles arranged on same elevation? a. Single deck system b. Double deck system c. Natural flow system d. Direct flow system
Last Answer : a. Single deck system
Description : How many number of spray nozzle does each module on spray pond cooling system contain? a. 1 b. 2 c. 3 d. 4
Last Answer : d. 4
Description : Wet cooling towers operate on the principle of ............... A Condensation. B Evaporative Cooling C Both of the above D None of the above
Last Answer : B Evaporative Cooling
Description : In which type of cooling system are nozzle arranged on different elevation? A Single deck system B Double deck system C Natural flow system D Direct flow system
Last Answer : B Double deck system
Description : Natural draft in hyperbolic cooling towers reduces of fans a) Damage b) Efficiency c) Cost d) Speed
Last Answer : c) Cost
Description : Beams of hyperbolic cooling towers are made up of a) Tungsten b) Iron c) Stainless steel d) Brass
Last Answer : c) Stainless steel
Description : Wet cooling towers (or open circuit cooling towers) operate on the principle of ............... A] Condensation. B] Evaporative cooling C] Both of the above D] None of the above
Last Answer : B] Evaporative cooling
Description : Why is exhaust system coming out of the turbine is admitted to a steam header 1 to increase the pressure 2 to increase the velocity 3 to decrease the pressure 4 to increase the velocity
Last Answer : 1 to increase the pressure
Description : The exhaust steam coming out of turbine is admitted to a steam header to A Increase the pressure B decrease the pressure C decrease the pressure drop D control the pollution
Last Answer : A Increase the pressure
Description : Which of the following is a fissile fuel 1 carbon 2 potassium 3 thorium 4 graphite
Last Answer : 3 thorium
Description : What are used in the direct flow system to transfer the pond batch uniting at intake? a. Separators b. Filters c. Baffle walls d. Porous pipes
Last Answer : c. Baffle walls
Description : Condensation starts at ________ point. A Dew B Bubble C Triple D none of the mentioned
Last Answer : A Dew
Description : When vapour is cooled at constant total system volume, the _______ changes. A Volume. B PRESSURE C Temperature. D None of the mentioned.
Last Answer : B PRESSURE
Description : Following is advantage of hyperbolic design a) Less initial cost b) Less noise c) Less vibration d) All above
Last Answer : b) Less noise
Description : Following is not the advantage of hyperbolic design a) Less maintenance cost b) Less initial cost c) Less noise d) All of the above
Last Answer : b) Less initial cost
Description : Hyperbolic design allows for use of without sacrificing structural integrity a) Minimum material b) Maximum material c) High quality material d) Low quality material
Last Answer : a) Minimum material
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
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
Description : Can a cooling tower cool water below the wet bulb temperature of inlet air? (A) Yes (B) No (C) Yes; but height of cooling tower will be prohibitively high (D) Yes; but the air flow rate should be excessively high
Last Answer : (B) No
Description : In a cooling tower, water becomes cool by (A) Loosing sensible heat (B) Heat transfer to surroundings (C) Vaporisation due to heat loss to air (D) Loosing latent heat
Last Answer : (A) Loosing sensible heat
Description : Pick out the wrong statement pertaining to the cooling towers. (A) In case of induced draft cooling tower, the fan is placed at the top of the tower (B) Effectiveness of ... Effectiveness of a mechanical draft cooling tower is reduced with increase in air wet-bulb temperature
Last Answer : (D) Effectiveness of a mechanical draft cooling tower is reduced with increase in air wet-bulb temperature
Description : The term "cooling range" in a cooling tower refers to the difference in the temperature of (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air (B) Hot water entering the ... air (C) Hot water entering the tower and the cooled water leaving the tower (D) None of these
Last Answer : (C) Hot water entering the tower and the cooled water leaving the tower
Description : The term "approach" in a cooling tower refers to the difference in the temperature of the (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air (B ... (C) Hot water entering and the cooled water leaving the cooling tower (D) None of these
Last Answer : (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air
Description : Factors affecting cooling of water in a cooling tower are: a. Temperature of air b. Humidity of air c. Temperature of hot air d. All of the above
Last Answer : Ans:- d. All of the above
Description : Pick out the wrong statement. (A) Different solids have different equilibrium moisture curves (B) Total condenser or reboiler is considered equivalent to one theoretical plate in McCabe-Thiele method of ... (D) Even a forced draft cooling tower cannot cool water below the wet bulb temperature
Last Answer : (C) Heat removal load on cooler remains constant, even with increase of the reflux ratio in a distillation column