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 : 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 : 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 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 : 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 : 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 : 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 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 : 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 : Approximately how many businesses content marketing is used? A. 20% to 30% B. 40% to 50% C. 60% to 70% D. 80% to 90%
Last Answer : D. 80% to 90%
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 : 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 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 : 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 : 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 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 : 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 : 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 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 : 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 : 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 : 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 : 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 : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In each batch about 120 ... dryer and the dryer efficiency is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.
Last Answer : Given that Qty of material dried per batch - 120 Kgs Moisture at inlet - 60% a. The quantity of moisture removed per batch. Water quantity in a wet batch - 120 x 0.6 = 72 Kgs. Quantity of bone dry ... - 48/0.95 = 50.5 Kgs. Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.
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 : How much percentage of water lies within the body cells. a. 20% b. 40% c. 60% d. 80%
Last Answer : 40%
Description : Formalin is (a) 10% solution of formaldehyde in water (b) 20% solution of formaldehyde in water (c) 40% solution of formaldehyde in water (d) 80% solution of formaldehyde in water
Last Answer : 40% solution of formaldehyde in water
Description : The usual percentages of clay and metal in cermet are: (A) 50%, 50% (B) 60%, 40% (C) 70%, 30% (D) 80%, 20%
Last Answer : Answer: Option D
Description : Higher plant efficiency up to______ over the entire load range. a. 30%-50% b. 20%-40% c. 60%-90% d. 50%-80%
Last Answer : a. 30%-50%
Description : Pozzolana is essentially a silicious material containing clay up to (a) 20% (b) 40% (c) 60% (d) 80%
Last Answer : (d) 80%
Description : A perfect product (with 100% awareness) starting with a survey score of 100, why is it that at 60% accessibility rating, 80% of customers have access to a product such that survey score declines from ... acquire the product. c. Because accessibility rating is not reliable. d. All of the above.
Last Answer : b. Of the 40% of customers without accessibility, 20% of them would make an extra effort to acquire the product.
Description : Identify the correct statement with reference to the extractive metallurgy of aluminium. (A) The electrolyte consists of molten Na3AlF6 with approximately 1 to 8% Al2O3 (B) Approximately 80% of ... is immediately vaporised (D) Anode effect sets in when the cryolite concentration goes below 40%.
Last Answer : (A) The electrolyte consists of molten Na3AlF6 with approximately 1 to 8% Al2O3
Description : In a town of 10,000 families it was found that 40% family buy newspaper A, 20% buy newspaper B and 10% families buy newspaper C, 5% families buy A and
Last Answer : In a town of 10,000 families it was found that 40% family buy newspaper A, 20% buy newspaper B and 10% ... 3100` B. `3300` C. `2900` D. `1400`
Description : Of the following answers, which is closest to the percentage of electricity generated by nuclear power plants in the U.S. in 1987? w) 5% x) 10% y) 20% z) 40%
Last Answer : ANSWER: Y -- 20%
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 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 : 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 : 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