to change the direction of air inlet flow in the uniform manner

 to prevent the water droplets splashing out of the tower

 both of the above

 none of the above

 difference between cold water outlet temperature and wet bulb temperature

 difference between hot water inlet temperature and wet bulb temperature

 difference between hot water inlet temperature and cold water outlet temperature

 difference between atmoshpheric temperature and wet bulb temperature

 to reduce the entrainment of water droplets in air

 to prevent the water droplets splashing out of the tower

 to provide the required surface area for heat transfer

 all of these

 large capacity of water

 small capacity of water

 high efficiency

 low capital cost

 to serve as receptacle for cooled water

 to provide the storage capacity during makeup water failure

 to act as a reservoir for the cooling water pumps

 all of these

 hyperbolic natural draft towers

 forced draft counterflow towers

 induced draft counterflow towers

 dry towers

 to prevent the water droplets from splashing out of the tower

 to provide the required surface area for heat transfer between air and the water

 to reduce the entrainment of water droplets in the air

 to change the direction of air inlet flow in a uniform manner

 Evaporative cooling (Merkel Theory)

 Henry's law

 Stefan-Boltzmann Law

 All of these

 dry bulb temperature

 approach

 range

 wet bulb temperature

  $\frac{\mathrm{Range}}{(\mathrm{Range}+\mathrm{Approach})}\times 100$

  $\frac{\mathrm{Range}}{\mathrm{Approach}}\times 100$

  $\frac{\mathrm{Approach}}{\mathrm{Range}}\times 100$

  $\frac{\mathrm{Cold} \mathrm{water} \mathrm{temperature}}{\mathrm{Hot} \mathrm{water} \mathrm{temperature}}\times 100$