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 : 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 : 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 : Natural draft in hyperbolic cooling towers reduces of fans a) Damage b) Efficiency c) Cost d) Speed
Last Answer : c) Cost
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 : 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 : 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 : Beams of hyperbolic cooling towers are made up of a) Tungsten b) Iron c) Stainless steel d) Brass
Last Answer : c) Stainless steel
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 : 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 : 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 : 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 : 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 : _______ 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 : 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 a fissile fuel 1 carbon 2 potassium 3 thorium 4 graphite
Last Answer : 3 thorium
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 : 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 : 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 come out from the the cooling tower of a nuclear power plant 1 smoke 2 cool air 3 hot air 4 none of theses
Last Answer : 1 smoke
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 : 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 : 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 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 : 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 : 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 : 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 : 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 : 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 : 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 : Condensation starts at ________ point. A Dew B Bubble C Triple D none of the mentioned
Last Answer : A Dew
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 : 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 : 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 : 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 : How does outside air enter into the wet cooling system? A] Air vents B] Louvers. C] Tuyeres D] Vacuum
Last Answer : B] Louvers.
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 : 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 : 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 : The advantage of reinforced concrete, is due to (A) Monolithic character (B) Fire-resisting and durability (C) Economy because of less maintenance cost (D) All the abov
Last Answer : Answer: Option D
Description : Advantage of a clamp compared to a kiln for burning bricks is that (A) It takes less time for burning (B) It gives more output of first class bricks (C) It has less initial cost (D) It is suitable when bricks are required in large numbers
Last Answer : Answer: Option C
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 : Consider the following statements: Mitra's hyperbolic transition design is based on the principle that : 1. Flow depth in the canal, as well as the discharge, is constant 2. width of the canal varies along with the discharge 3. Rate ... a) 1, 2 and 3 b) 1 and 2 only c) 2 and 3 only d) 1 and 3 only
Last Answer : d) 1 and 3 only
Description : An advantage of DC motors over AC motors is that they _____________. A. are less expensive B. require less maintenance C. offer infinite speed variation D. all of the above
Last Answer : Answer: C
Description : An advantage of DC motors over AC motors is that they _____________. A. are less expensive B. require less maintenance C. can be started across the line D. offer a more effective means of controlling speed
Last Answer : Answer: D
Description : The primary advantage of automatic vending as a form of retailing is that : 1. it provides continuous service to customers 2. it eliminates the need for sales personnel 3. vending machines require little maintenance 4. it offers low cost, personal method of selling 5. none of these
Last Answer : it eliminates the need for sales personnel
Description : The advantage of providing super-elevation on roads, is (A) Higher speed of vehicles (B) Increased volume of traffic (C) Reduced maintenance cost of the roads (D) All the above
Description : The advantage of cables over overhead transmission lines is (a) easy maintenance (b) low cost (c) can be used in congested areas (d) can be used in high voltage circuits
Last Answer : (c) can be used in congested areas