Description : Which of the following waste types are not suitable for co-combustion in cement kilns? a) Chlorine b) Hydrogen c) Calcium d) Carbonate
Last Answer : Chlorine
Description : Rotary kilns in cement industry are lined with _________bricks. (A) Fireclay (B) Silica (C) Lead (D) High alumina & high magnesia
Last Answer : (D) High alumina & high magnesia
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 : Rotary kilns are used in the (A) Calcination of limestone & dolomite (B) Cement manufacture (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Sulphur melting pit in the sulphuric acid plant is made of (A) Lead lined stainless steel (B) Cast iron (C) Steel or cement-brick lined (D) Hard wood
Last Answer : (C) Steel or cement-brick lined
Description : The main source of carbon monoxide is (1) Industrial process (2) Fuel combustion (3) Transportation (4) Solid waste disposal
Last Answer : (3) Transportation Explanation: The main source of carbon monoxide is burning of fossil fuel
Last Answer : Transportation
Description : From the following which is not the type of protocol used in CIM? a.Open standard interconnection - OSI b.Manufacturing Automation Protocol - MAP c.Technical and Industrial Protocol - TIP d.None of the above
Last Answer : c.Technical and Industrial Protocol - TIP
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)
Last Answer : (D) All (A), (B) and (C)
Description : Oxide of sulphur present in the atmosphere are washed down by rains to cause – (1) Depletion of fossil fuel reserves (2) Eutrophication in lakes (3) Lowering of pH of soil (4) Industrial smog formation
Last Answer : (1) Depletion of fossil fuel reserves Explanation: The oxide of Sulphur (Sulphur Dioxide) is washed down on earth as acid rain.
Description : Oxide of sulphur present in the atmosphere are washed down by rains to cause : (1) Depletion of fossil fuel reserves (2) Eutrophication in lakes (3) Lowering of pH of soil (4) Industrial smog formation
Last Answer : Depletion of fossil fuel reserves
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 : From which of the following is benefit of computer integrated manufacturing(CIM). a.Reduced lead time b.Increased production time c.Reduced productivity d.All of the above
Last Answer : a.Reduced lead time
Description : Form which of the following is the objective of cellular manufacturing. a.Reduced manufacturing lead time b.Increased in quality c.Reduced setup time d.All of the above
Last Answer : d.All of the above
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 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 : Disposal of radioactive waste materials and spent fuel is a major and important technology. How the waste radioactive material is disposed off ?
Last Answer : Nonusable fission products are radioactive and take short/medium/long time for radioactive decay to reach safe level of radioactivity. Accordingly three methods of disposal are : (a) Zero or low ... are stored in water for several months to permit radioactive decay to an accepetable low level.
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 : Find out the ‗odd‘ among the following choices for fuel substitution for industrial sector of India. a) LDO with LSHS b) Coal with rice husk c) Natural gas for fertilizer plant d) LPG for soft coke
Last Answer : LPG for soft coke
Description : Compound which is used in the process of manufacturing cement?
Last Answer : Limestone
Description : Describe the wet process of manufacturing of cement
Last Answer : Various stages in wet process of manufacturing of cement: The manufacturing of cement by wet process can be divided into three stages. Stage-I Mixing of raw materials: In this stage, 10% of chalk and ... ground cement is stored in silos. It is then weighed and packed in bags of50kg by weight.
Description : Draw the flow chart of manufacturing of cement by wet process.
Last Answer : Flow chart of manufacturing of cement by wet process.
Description : how much of total coal produced is used in brick kilns? A. 40% B. 50% C. 60% D. 70%
Last Answer : ANSWER: C
Description : Copper is used in the production of: A. Kitchen utilities B. Children Toys C. Brick Kilns D. Electric Wires
Last Answer : ANSWER: D
Description : Which furnace employs natural draft? (A) Coke oven (B) Boiler (C) Rotary kilns (D) L.D. converter
Last Answer : (A) Coke oven
Description : Which of the following furnaces will have maximum thermal efficiency? (A) Soaking pits (B) Walking beam reheating furnace (C) Boiler furnace (D) Rotary kilns
Last Answer : (C) Boiler furnace
Description : Which is the most thermally efficient furnace? (A) Reheating furnace (B) Reverberatory furnace (C) Rotary kilns (D) Boiler furnace
Last Answer : (D) Boiler furnace
Description : . An example of a periodic furnace is the (A) Blast furnace stoves (B) Blast furnace (C) Coke oven heating chamber (D) Rotary kilns
Last Answer : (A) Blast furnace stoves
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 : 71. Total primary energy consumption of fuel in the world is lead by a) Coal b) Nuclear c) Hydro d) Oil
Description : Which reactor uses natural uranium as fuel ?
Last Answer : Gas cooled reacator.
Description : The gas causing acid rain in an industrial area is - (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Methane
Last Answer : (3) Sulphur dioxide Explanation: The main gases responsible for causing acid rain are sulphur dioxide as well as nitrous oxides. The main sources of sulphur dioxide are metal working industries and coalfired power stations whereas nitrous oxide is from vehicles and fuel combustion.
Description : Sulphur dioxide present in the industrial chimney exhaust gases causes (A) Respiratory & lung disease (B) Reduction in plant's productivity owing to acid rain (C) Corrosion of building materials (D) All (A), (B) and (C)
Description : The gas causing acid rain in an industrial area is (1) Carbon dioxide (2) Carbon monoxide (3) Sulphur dioxide (4) Methane
Last Answer : Sulphur dioxide
Description : In ship manufacturing, the type of layout preferred is a.Product layout b.Process layout c.Fixed-position layout d.GT layout
Last Answer : c.Fixed-position layout
Description : ____ is the bridge between design and manufacturing a.Production planning b.Process Planning c.Product design d.None of the above
Last Answer : b.Process Planning
Description : In which layout manufacturing is done according to product's characteristics? a.Process layout b.GT layout c.Product layout d.Both A & B
Last Answer : d.Both A & B
Description : In which layout manufacturing is done according to machine arrangement a.GT layout b.Product layout c.Process layout d.Hybrid layout
Last Answer : c.Process layout
Description : A system that automates the drafting process with interactive computer graphics iscalled a.Computer Aided Engineering (CAE) b.Computer Aided Design (CAD) c.Computer Aided Manufacturing (CAM) d.Computer Aided Instruction (CAI)
Last Answer : b.Computer Aided Design (CAD)
Description : 66. The energy used by any manufacturing process varies with a) Production volume b) Type of process c) Resource input d) All the above
Last Answer : All the above
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 : (3) Oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of oxides of Sulfur and Nitrogen (Sulfur Dioxide and Nitrogen Oxide), which react with the water molecules in the ... The emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) result from fossil fuel combustion.
Last Answer : (3) live wire and the neutral wire Explanation: Three wires enter most homes from the power pole-two "hot" wires and a third "neutral" wire. Each hot wire provides 120- volt current for ... the main switch is put off because the electric circuit (the path where the electricity travels) gets opened.
Description : Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. (A) 80 (B) 130 (C) 180 (D) 250
Last Answer : (B) 130
Description : Which of the following produces the most solid waste? (1) Agriculture (2) Nuclear Power Plants (3) Manufacturing (4) Packaging Industry
Last Answer : (3) Manufacturing Explanation: Solid waste refers to solid or semisolid, non-soluble material such as agricultural refuse, demolition waste, industrial waste, mining residues, municipal garbage, ... solvents, paints, sandpaper, paper products, industrial byproducts, metals, and radioactive wastes.
Description : Waste or refuse arising out of manufacturing activity of output cleared for home consumption shall be charged to import duty as _____. A waste or refuse B output C waste or refuse or output D Input
Last Answer : Ans :output
Description : Waste or refuse arising out of manufacturing activity of output exported shall be charged to import duty as _____ if such waste or refuse is cleared for home consumption. A waste or refuse B imported goods C waste or refuse or output D Scrap
Last Answer : waste or refuse
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