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 : What are the benefits or the advantages of waste heat recovery units (WHRU)? a) Reduced Pollution b) Reduced equipment sizes c) Reduced auxiliary energy consumption. d) All of the above
Last Answer : All of the above
Description : The primary objective of energy audit is to determine ways to ______ energy consumption per unit of product output. A. Increase. C) Slightly increase. B. Reduce. D) Change.
Last Answer : reduce
Description : How promising is the "air lubrication" idea to increase the speed of ships and reduce the consumption of fuel?
Last Answer : I think passive systems, like shark skin like surfaces, will be more promising than active systems, as those also consume energy. I am also not sure how the bubbles would affect the vessels buoyancy.
Description : Benefits of Waste Heat Recovery a. Reduction in pollution b. Reduction in equipment sizes c. Reduction in auxiliary energy consumption d. All of the above
Last Answer : Ans:- d. All of the above
Description : BEE star rating is solely based on appliance's power .................. A) Consumption. C) Delivery. B) Recovery. D) Rejection.
Last Answer : Consumption.
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 : 108.is primarily a management technique that uses energy information as a basis to eliminate waste, reduce and control current level of energy use and improve the existing operating procedures. a) Energy monitoring and targeting b) CUSUM c) Specific energy consumption d) Production
Last Answer : Energy monitoring and targeting
Description : ________ to reduce or control energy consumption. a] Determining c] Highlighting b] Recording d] Setting Targets
Last Answer : setting targets
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 : Total primary energy consumption of fuel in the world is lead by a) Coal b) Nuclear c) Hydro d) Oil
Last Answer : coal
Description : 105. Energy and production data is useful to calculate…… a) Specific Energy Consumption b) Specific Fuel consumption c) Specific Cost d) None
Last Answer : Specific Energy Consumption
Description : 71. Total primary energy consumption of fuel in the world is lead by a) Coal b) Nuclear c) Hydro d) Oil
Description : Energy and production data is useful to calculate…… a) Specific Energy Consumption b) Specific Fuel consumption c) Specific Cost d) None
Description : In four stroke engine which of the following is also known as power stroke a. Suction stroke b. Compression stroke c. Expansion stroke d. Exhaust stroke (Ans:c) Measurements of fuel and air ... into IC engine,___________its efficiency A. increase B. decrease C. does not alter D. unpredictable on
Last Answer : ANSWER : B
Description : Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. (A) 3 (B) 30 (C) 7 (D) 70
Last Answer : (A) 3
Description : A waste heat recovery unit (WHRU) is an_________ that transfers heat from process outputs at high temperature to another part of the process for some purpose, usually increased efficiency. a) Energy recovery heat exchanger b) Energy recovery heat diffuser c) Both ‘a’ and ‘b’ d) None of the above
Last Answer : Energy recovery heat exchanger
Description : A waste heat recovery unit is an energy recovery heat exchanger that transfers heat from process outputs at ........ a) High temperature b) Medium temperature c) Low temperature d) Both a & b
Last Answer : High temperature
Description : One of the key areas for ....... energy saving in existing systems is waste heat recovery. a) Potential b) Kinetic c) Thermal d) Electrical
Last Answer : Potential
Description : Energy recovery is typically via production of ____ a) Gas b) Heat c) Light d) Steam
Last Answer : Steam
Description : Can GPS trackers reduce fuel consumption?
Last Answer : A GPS tracker has very little o do with fuel consumption. Using a GPS will, however, allow you to plan the shortest route to your destination thereby reducing the fuel consumption.
Description : Which of the following processes is not an example of adsorption applied to gaseous separations? (A) Recovery of valuable solvent vapors from dilute mixture with air and ... Removal of objectionable odour and impurities from industrial gases (D) Decolouration of yellow glycerine
Last Answer : (D) Decolouration of yellow glycerine
Description : Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent. (A) 1 (B) 10 (C) 30 (D) 50
Last Answer : (B) 10
Description : Choke in a I.C. engine is used to control a) Camshaft speed b) Specific fuel consumption c) Air fuel mixture d) Crankshaft speed Ans. c
Last Answer : ans c
Description : Tractors with less specific fuel consumption should be preferred because..... A. High efficiency C. Good output B. Good for field D. Less cost
Last Answer : Less cost
Description : . The ratio of the total amount of heat that equipment can remove from the indoors to travel and amount of energy consumed by the equipment is known as A) Energy performance ratio (EPR). C) Energy efficiency RATIO (EER). B) Energy consumption ratio (ECR). D) None of the above
Last Answer : Energy efficiency RATIO (EER).
Description : The use of pressurized radiator cap is to a) Reduce evaporation loss b) Increase engine operating temperature c) Increase boiling point of water d) Reduce heat losses
Description : To reduce the stack loss, heat recovery from flue gas can be done by (A) Preheating of cold stock (B) Preheating of combustion air (C) Steam generation in waste heat boilers (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its (A) Emissivity factor is higher (B) Sulphur content is lower (C) Flue gas has lower dew point thereby facilitating more waste heat recovery (D) All (A), (B) and (C)
Description : First law of thermodynamics (a) enables to determine change in internal energy of the system (b) does not help to predict whether the system will or not undergo a change (c) does not enable ... entropy (d) provides relationship between heat, work and internal energy (e) all of the above.
Last Answer : Answer : e
Description : In industrial operations fluids with temperature less than __________ are set as the limit for waste heat recovery because of the risk of condensation of corrosive liquids a. 80C b. 100C c. 120C d. 200C
Last Answer : 100C
Description : Calculate the recoverable waste heat (Q, in kCal/hour) from flue gases using the followingparameters: V (flow rate of the substance) 2000 m3/hr r (density of the flue gas): 0.9 kg/m3 Cp (specific heat ... (temperature difference): 120 oC h (recovery factor): 50% a. 21600 b. 43200 c. 25600 d. 34000
Last Answer : 21600
Description : A high temperature waste heat recovery unit consists of recovering waste heat at temperaturesgreater than _______. a) 200 °C b) 500 °C c) 300 °C d) 400 °C
Last Answer : 400 °C
Description : The waste heat recovery unit (WHRU) is a tool involved in _______. a) Regeneration b) Cogeneration c) Both ‘a’ and ‘b’ d) None of the above
Last Answer : Cogeneration
Description : Techniques of waste heat recovery ....... a) Direct contact condensation b) Indirect contact condensation c) Transport membrane condensation d) All of the above
Description : Nellore to medium temperature waste heat recovery system the most suitable device is ------ a) Economizer b) Heat wheels c) Air preheater d) Recuperate d) Carbonate
Last Answer : Heat wheels
Description : Recovery of waste heat from hot fluid to fluid is called: a) thermo compressor b) waste heat recovery boiler c) heat Pump d) economizer
Last Answer : heat Pump
Description : Recovery of heat from dryer exhaust air is a typical application of: a) Waste heat recovery boiler b) Heat pump c) Heat wheel d) Economizer
Last Answer : Heat wheel
Description : In a low to medium temperature waste heat recovery system which of the device is most suitable a) Economiser b) Heat wheels c) air preheater d) Recuperator
Description : Air preheater is not used as a waste heat recovery system in a____. a) Boiler b) billet Reheating Furnace c) Heat treatment furnace d) compressor
Last Answer : compressor
Description : Recuperated is used mainly as a waste heat recovery system in a ____. a) Boiler b) Billet Reheating Furnace c) Compressor d) None of the above
Last Answer : Billet Reheating Furnace
Description : Heat recovery equipment will be most effective when the temperature of flue gas is: a) 250oC b) 200 oC c)400 oC d) 280 oC
Last Answer : 400 oC
Description : Which of the following used to improve Online Reputation? A. Improve tagging and SEO B. Strive to build links from strong and reliable sources C. Publish original posts with valuable information D. All of the above
Last Answer : D. All of the above
Description : Heat balance of furnace provides means of determining the (A) Thermal efficiency of the process (B) Sources of heat losses (C) Scope of reduction of heat losses (D) All (A), (B) and (C)
Description : Limestone is added in the blast furnace (during pig iron manufacture) to (A) Form slag by combining with impurities (B) Supply heat by undergoing exothermic reaction with impurities (C) Reduce the coke consumption (D) Reduce slag viscosity
Last Answer : Option A
Description : Infrared spectroscopy provides valuable information about A. Molecular weight B. Melting point C. Conjugation D. Functional groups
Last Answer : Functional groups
Description : The ultimate aim to encourage the enterprise to save the energy , reduce the production cost and increase economic benefits is ____ A. Energy audit C. Energy saving B. Energy management D. Energy
Last Answer : Energy management
Description : The ultimate aim of energy audit is to encourage enterprises to…… a) Save energy b) Reduce production cost c) Increase economic benefit d) All of the 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 : All of above