Description : ________ terms are used to describe supercritical and ultra-supercritical coal generation by the coal industry. (a)High- efficiency and low -emissions (b)Low-efficiency and high- emissions (c) High-efficiency and high- emissions (d)Low-efficiency and low-emissions
Last Answer : (a)High- efficiency and low -emissions
Description : The point of ultra-supercritical steam generator is to save on coal to heat the water and reduce ________ emissions. a. Oxygen (O2) b. Water (H2O) c. Carbon dioxide (CO2) d. Both ‘a’ and ‘c’
Last Answer : c. Carbon dioxide (CO2)
Description : The form of implementing the new energy efficiency technologies, new materials and new manufacturing process is ____________ A. Energy management C. Energy savings B. Energy audit D. All of the above
Last Answer : Energy management
Description : . How can we increase the efficiency of a cooling tower? a. Save energy. b. Reduce the amount of water being consumed. c. Decrease the amount of chemicals required for water treatment. d. All of above
Last Answer : All of above
Description : How can we increase the efficiency of a cooling tower? a. Save energy. b. Reduce the amount of water being consumed. c. Decrease the amount of chemicals required for water treatment. d. All of above
Last Answer : d. All of above
Description : A major advantage of waste heat recovery in industry is a) Reduction in pollution c) Increase efficiency d) None of the above
Last Answer : Reduction in pollution
Description : Major advantage of waste heat recovery in industry is: a) Reduction in pollution b) increase in efficiency c) Both a & b d) none of the above
Last Answer : Both a & b
Description : Can coal-fired electricity generation have zero ghg emissions?
Last Answer : answer:The honest answer is no'. But it depends who's doing the talking. The coal lobby says they capture the CO2 and sequester it (Stick it someplace else). They ignore all the energy spent to dig it ... burning stove is close to net zero. If I allow my oil heat to kick on I am increasing GHGs.
Description : Because less coal is consumed in this system, emissions of ______ and particulate and solid waste by products are reduced. a. Sulphur dioxide (SO2) b. Nitrogen oxide (NOx) c. Carbon dioxide (CO2) d. All of the above.
Last Answer : d. All of the above.
Description : Appropriate measures to reduce overall greenhouse gs emissions are the commitments of the :
Last Answer : Appropriate measures to reduce overall greenhouse gs emissions are the commitments of the : A. Kyoto ... protocol C. Environment Act D. Earth summit.
Description : Does the GReddy Ti-C Catback Exhaust System reduce emissions?
Last Answer : The GReddy Ti-C will help with emissions, but not dramatically so. It will increase performance dramatically, though.
Description : Can I reduce emissions by getting a new catalytic converter?
Last Answer : In your car, the catalytic converter is the part that converts the toxic waste in your car into exhaust. By adding substances such as vanadium, you can reduce the waste put out by your car, ... can reduce your emissions even further by using unleaded gas, which puts out less toxins when it burns.
Description : Can I reduce my car's emissions by changing the catalytic converter?
Last Answer : A new catalytic converter will help to reduce your car's emissions, you can also take your car to a local garage and have them perform tests on it to see how else emissions can be reduced
Description : (4) To reduce greenhouse gases Explanation: The Kyoto Protocol is an international treaty which extends the 19992 United Nations Framework Convention on Climate Change (UNFCCC) that commits State Parties to reduce green hourse gas emissions.
Last Answer : The lustre of the metals is because of – (1) high density, due to closed packing of atoms (2) high polish (3) reflection of light due to the presence of free electrons (4) absorption of light due to the presence of cavities
Description : The Earth Summit held in Rio de Janeiro in 1992 was called (a) for immediate steps to discontinue use of CFCs that were damaging the ozone layer (b) to reduce CO2 emissions and global ... utilisation of its benefits (d) to assess threat posed to native species by invasive weed species.
Last Answer : (c) for conservation of biodiversity and sustainable utilisation of its benefits
Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere
Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles
Description : Explain with relevant justification that use of catalytic convertor reduce the tail pipe emissions.
Last Answer : The emissions from exhaust of vehicle are pollutants like Carbon monoxide (CO), Un-burnt Hydro carbon (UBHC), and oxides of nitrogen (NOx) without any after treatment device. Use of catalytic ... to carbon dioxide. In this way catalytic convertor converts more harmful gases into less harmful gases.
Description : The most dangerous pollutant in vehicular emissions is A. CO B. SO2 C. CO2 D. O3
Last Answer : ANS: A
Description : Which of the following pollutants is absent in the emissions from a fertiliser plant? (A) SO2 & SO3 (B) NO2 (C) NH3 (D) CO
Last Answer : (D) CO
Description : According to -energy audit means verification, monitoring, analysis of use of energy including submission of technical report containing recommendations for improving energy efficiency with cost benefit analysis ... act 2001 b) Industrial act 1946 c) Factory act 1947 d) none of act
Last Answer : Energy conservation act 2001
Description : The relaxation techniques of progressive muscle relaxation, relaxation with guided imagery, and the Benson Relaxation Response share which of the following elements? a) A mental device (something on which ... required to assist an individual to learn techniques to reduce one's response to stress.
Last Answer : a) A mental device (something on which to focus the attention) Similar elements also include a quiet environment, a comfortable position, and a passive attitude.
Description : A waste heat recovery system in industrial process has been key to reduce ....... Consumption. a) Coal b) Fuel c) Biogas d) Oil
Last Answer : Fuel
Description : Shortly after take-off, the altitude of the aeroplane suffers an abrupt pitch-up and IAS rapidly decreases followed quickly by a decrease in altitude. Engine indications are normal. You should suspect what ... to gain airspeed d. Local clear air turbulence; reduce speed to VRA and ride it out
Last Answer : b. Loss of head wind or an increase in tail wind; apply full power
Description : ____ is defined as the set of technologies that can construct physical solid models from CAD data a.Rapid Production b.Rapid prototyping c.Lean Manufacturing d.Artificial intelligence
Last Answer : b.Rapid prototyping
Description : Of all of the current material addition rapid prototyping technologies, which one is the mostwidely used? a.Ballistic particle manufacturing b.Selective laser sintering c.Solid ground curing d.Stereolithography
Last Answer : d.Stereolithography
Description : Which of the following are problems with the current rapid prototyping and additivemanufacturing technologies? a.Limited material variety b.Inability to convert a solid part into layers c.Poor machinability of the starting material d.The inability of the designer to design the part
Last Answer : a.Limited material variety
Description : Which one of the following RP technologies uses solid sheet stock as the starting material? a.Droplet deposition manufacturing b.Fused-deposition modeling c.Laminated-Object Manufacturing d.Selective Laser Sintering
Last Answer : c.Laminated-Object Manufacturing
Description : Which of the following RP technologies uses molten material as the starting material? a.Three-Dimensional Printing b.Fused-Deposition Modeling c.Stereolithography d.Selective Laser Sintering
Last Answer : c.Stereolithography
Description : Which of the following RP technologies uses powders as the starting material? a.Droplet Deposition Manufacturing b.Fused-Deposition Modeling c.Selective Laser Sintering d.Stereolithography
Last Answer : c.Selective Laser Sintering
Description : Laminated Object Manufacturing (LOM) is developed by_______ a.Stratasys b.CAM-LEM c.Kira Corporation d.Cubic Technologies
Last Answer : d.Cubic Technologies
Description : Explain the difference between AFBC, BFBC, PFBC and PCFB in regard to fluidised bed technologies.
Last Answer : AFBC (Atmospheric fluidised bed combustion) process consists of forming a bed of inert materials like finely sized ash or ash mixed with sand, limestone (for sulphur removal), and solid fuel particles in ... the bed as bubbles (fluidised bed) and gives the bed the appearance of a boiling liquid.
Description : Energy savings is not the driving face when companies decide to purchase ___ A. New equipment C. New technologies B. Ne resources D. New low tech materials
Last Answer : New equipment
Description : Why should you always try to use short, clear sentences on your web pages? A. Readers do not trust longer sentences B. Readers cannot read long sentences C. Readers have a short attention span D. Longer sentences can be confusing to readers
Last Answer : C. Readers have a short attention span
Description : A 55-year-old patient currently receiving other drugs for another condition is to be started on diuretic therapy for mild heart failure. Thiazides are known to reduce the excretion of (a) Diazepam (b) Fluoxetine (c) Imipramine (d) Lithium (e) Potassium
Last Answer : Ans: D
Description : Water Hybrid Cars Increase Gas Mileage And Lower Carbon Emissions?
Last Answer : Water hybrid vehicles still rely on gasoline as fuel. Water hybrid vehicles need an HHO, a hybrid hydrogen oxygen system. The HHO is a fuel cell that breaks water down into hydrogen and oxygen. ... Not only do water hybrid cars increase gas mileage, they clean out carbon from the exhaust gas.
Description : The main cause of global climatic change is – (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover
Last Answer : (1) increase in the content of carbon dioxide in the atmosphere Explanation: Our ever increasing addiction to electricity from coal burning power plants eleases enormous amounts of carbon dioxide ... sources, we are highly dependent on burning coal for our personal and commercial electrical supply.
Description : The main cause of global climatic change is (1) increase in the content of carbon dioxide in the atmosphere (2) emissions of industrial gases (3) adding of dust (4) changes in plant cover
Last Answer : increase in the content of carbon dioxide in the atmosphere
Description : Assume CO2 equivalent emissions by the use of a 60 W incandescent lamp are of the order of 60 g/hr. If it is replaced by a 5 W LED lamp then the equivalent CO2 emissions will be a) nil b) 5 g/hr c) 12 g/hr d) 300 g/hr
Last Answer : b) 5 g/hr
Description : The reason for supercharging in any engine is to be A. increase efficiency B. increase power C. effect fuel economy D. reduce weight and bulk for a given output
Last Answer : ANSWER : D
Description : Small amount of gasoline is added to alcohol to a) reduce the emission b) to increase the power output c) to increase the efficiency d) to improve cold weather starting
Last Answer : Answer: d Explanation: None.
Description : Supercharging is done to a. increase the efficiency b. increase the power c. reduce the weight for a given output d. achieve fuel economy
Last Answer : ANSWER c. reduce the weight for a given output
Description : Steam distillation is used to (A) Reduce the number of plates (B) Avoid thermal decomposition of a component (C) Increase the efficiency of separation (D) Increase the total pressure of distillation
Last Answer : (B) Avoid thermal decomposition of a component
Description : Function of air vessel provided in a reciprocating pump is to (A) Reduce discharge fluctuation (B) Reduce the danger of cavitation (C) Avoid the necessity of priming (D) Increase the pump efficiency
Last Answer : (A) Reduce discharge fluctuation
Description : Which of the following is not the function of a volute casing provided in a centrifugal pump? (A) To reduce the head loss in discharge (B) To increase the pump efficiency (C) To collect liquid ... and to transmit it to the delivery pipe at constant velocity (D) To increase the pump discharge rate
Last Answer : Option D
Description : Purpose of inventing Adaptive cruise control? 1. To reduce accident 2. To increase efficiency of automobile 3. To increase driving comfort 4. To invent new driving technology
Last Answer : 1. To reduce accident
Description : Which of the following is not the objectives of disinvestment policy a. Raising resources b. Raising productive efficiency c. Reduce public interference d. To increase the role of government
Last Answer : - To increase the role of government
Description : Increasing the cylinder speed result in (a) Increase threshing efficiency (b) Reduce cylinder loss (c) Increase seed damage (d) All of the above
Last Answer : (a) Increase threshing efficiency
Description : Increasing the cylinder speed result in a) Increase threshing efficiency b) Reduce cylinder loss c) Increase seed damage d) All of the above
Last Answer : d) All of the above
Description : The basic function of air dryer in a compressor is: a. prevent dust from entering compressor b. storage and smoothening pulsating air output c. reduce the temperature of the air before it enters the next state to increase efficiency d. to remove remaining traces of moisture after after-cooler
Last Answer : d. to remove remaining traces of moisture after after-cooler
Description : Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. (A) Reduce SO2 content in (B) Catalytically convert SO2 to SO3 in (C) Increase the dew point of (D) None of these
Last Answer : (A) Reduce SO2 content in