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 : . _____ type of cooling towers are used with nuclear power plants. a. Cross flow b. Natural draft c. Hyperbolic d. None of above
Last Answer : Hyperbolic
Description : The hyperboloid cooling towers are often associated __ a. with nuclear power plants b. Used in some coal-fired plants c. In some large chemical and other industrial plants. d. All of the above.
Last Answer : All of the above
Description : . Improved cooling efficiency and minimum usage of material are the key features of ______ a. Natural draft cooling towers b. Cross flow towers c. Hyperbolic cooling d. All of above
Last Answer : Hyperbolic cooling
Description : Hyperbolic cooling towers are also referred as a. Natural draft towers b. Cross flow towers c. Hyperboloid towers d. None of the above
Last Answer : Hyperboloid towers
Description : Which type of cooling towers operate through a chimney or stack ___ a. Cross flow b. Counter flow c. Hyperbolic d. All of above
Description : . ______ type of cooling towers are structurally strong. a. Counter flow towers b. Hyperbolic towers c. Cross flow towers d. None of the above
Last Answer : Hyperbolic towers
Description : Hyperbolic cooling towers have become design standard for all natural draft structural towers because usage of . a. Their structural strength b. Minimum usage of material. c. Improving cooling efficiency d. All of the above.
Last Answer : All of the above.
Description : Hyperbolic cooling towers are made up of high height reinforced ………structure. a) plastic c)metal b) alloy d) concrete
Last Answer : concrete
Description : Common applications of Cooling towers include a. Cooling the circulating water used in oil refineries b. petrochemical and other chemical plants c. thermal power stations d. All of the above.
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 Are The Advantages Of Hyperbolic Natural-draft Cooling Towers?
Last Answer : Since no fans are used power cost and auxiliary equipments cost is reduced. Hyperbolic tower chimney creates its own draft even when there is no wind. Ground fogging and warm air re-circulation are avoided in hyperbolic towers. The structure is more or less self-supported.
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 : Which cooling Towers use a process similar to the one found in small evaporation active cooling units a) hyperbolic b) Tower c) condensate loop d) none of these
Last Answer : a) hyperbolic
Description : Thermal efficiencies up to........have been observed in hybrid cooling towers a. 92 b. 82 c. 72 d. 62
Last Answer : 92
Description : Natural Draft or Hyperbolic towers have been used for • Large Capacity of water • Small Capacity of Water • High Efficiency • Low capital cost
Last Answer : Large Capacity of water
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 : 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
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
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
Description : The first hyperbolic cooling tower was built in... a. 1916 b. 1917 c. 1918 d. 1919
Last Answer : 1918
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
Description : Natural draft cooling towers are mainly used in the _____. • Steel industry • Fertilizer industry • Alumina industry • Power stations
Last Answer : Power stations
Description : There are two huge cooling towers close to building site of reactor __ and __ of the Chernobyl Power Plant. a. 1&3 b. 4&5 c. 2&5 d. 1&4
Last Answer : 4&5
Description : . There are two huge cooling towers close to building site of reactor __ and __ of the Chernobyl Power Plant. a. 1&3 b. 4&5 c. 2&5 d. 1&4
Last Answer : b. 4&5
Description : Superconductivity is a material property associated with - (1) cooling a substance without a phase change (2) frictionless liquid flow (3) a loss of thermal resistance (4) a loss of electrical resistance
Last Answer : (3) a loss of thermal resistance Explanation: Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors.
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
Description : Cooling towers operate through a ____process that efficiently cools the already cycled water to be reused. 1. Heat exchange 2. Heat expand 3. Heat transfer 4. None of above
Last Answer : Heat transfer
Description : How many times chlorination must be carried out for cooling towers 1. Twice a year 2. Once a year 3. Thrice a year 4. None of above
Last Answer : Twice a year
Description : How does the flow of air occur in natural draught cooling towers? a) Natural pressure head density between cold outside air and humid inside air b) Variation in pressure of both cold outside air and ... given air vents and vacuum ports d) Because of difference in the volume of both the of airs
Last Answer : Natural pressure head density between cold outside air and humid inside air
Description : Which one of the following fill material is more energy efficient for cooling towers in case of sea water cooling? • Splash fill • Film fill • Low clog film fill • None of the above
Last Answer : Film fill
Description : . Most cooling towers are capacity rated at a "standard" wet bulb temperature of ___of • 72°F • 52°F • 78°F • 75°F
Last Answer : 78°F
Description : __________ Cooling towers have become the design standard for all natural-draft cooling towers because oftheir structural strength and minimum usage of material. • HCT • CCT • Hyperboloid • None
Last Answer : Hyperboloid
Description : Cooling towers vary in size from small roof-top units to very large hyperboloid structures that can be up to ____meters tall and _____ meters in diameter, or rectangular structures that can be over 40 meters tall and 80 meters long. a. 200&100 b. 100&50 c. 200&50 d. 200 &150
Last Answer : 200&100
Description : There are _______main types of cooling towers that are defined by how water or air passes through them. a. One b. Two c. Three d. Four
Last Answer : three
Description : Cooling towers vary in size from small roof-top units to very large hyperboloid structures that can be up to ____ meters tall and _____ meters in diameter, or rectangular structures that can be over 40 meters tall and 80 meters long. a. 200&100 b. 100&50 c. 200&50 d. 200 &150
Last Answer : a. 200&100
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 : 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 : 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 : 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 : 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 : 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 : A __________ is a type of heat exchange system where water is heated to its' boiling point via combustion of a fuel blown through a tube submerged in water. a. Condensate loop b. Hyperbolic cooling tower c. Steam boiler d. All of above
Last Answer : c. Steam boiler
Description : Why cooling towers require in the Steam power plant ?
Last Answer : Cooling towers cool the warm water discharged from the condenser and feed the cooled water back to the condenser. There are two types of cooling methods provided in the cooling towers, they can be either ... finned tubes over which cooling air is passed. Heat is rejected to air as water is cooled
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 : What is defined as the ratio of the net electrical power output to the rate of fuel energy input? A. Combustion efficiency B. Thermal efficiency C. Overall efficiency D. Furnace efficiency
Last Answer : Overall efficiency
Description : If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ ... (A) Hyperbolic (B) Parabolic (C) Linear (D) Logarithmic
Last Answer : (C) Linear
Description : If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. (A) Parabolic (B) Hyperbolic (C) Linear (D) Logarithmic
Last Answer : (A) Parabolic