Description : The non-clog pump which permits solid matter to pass out with the liquid sewage, is A. Centrifugal pump B. Reciprocating pump C. Pneumatic ejector D. None of these
Last Answer : ANS: A
Description : Solid content in most of the domestic sewage is about __________ percent. (A) 0.001 (B) 0.1 (C) 5 (D) 10
Last Answer : (B) 0.1
Description : The function of skimming tank in sewage treatment is to remove __________ substances. (A) Dissolved solid (B) Suspended solid (C) Oil & fatty (D) Gritty & inorganic
Last Answer : (C) Oil & fatty
Description : Since air essentially behaves like a fluid, would it not be accurate to say, that aeroplanes swim through the air?
Last Answer : Fluid ≠ liquid. Gases and liquids are both fluids, as are plasmas. But swimming and drowning are ways of interacting with liquids specifically, not fluids generally.
Description : Aeroplanes and nuclear power stations in 1900 AD when playing Sim City for the SNES?
Last Answer : Because they think smart people like you don’t notice :-) Also, was probably pressure to push the products out without checking historical accuracy.
Description : Which layer of the atmosphere provides ideal conditions for flying of jet aeroplanes? -General Knowledge
Last Answer : The answer is 'Stratosphere'
Description : Which purified oil does Aviation fuel for jet aeroplanes consist? -General Knowledge
Last Answer : The answer is 'Kerosene'
Last Answer : answer:
Description : What is a name of where aeroplanes are kept?
Last Answer : It's called a hanger
Description : Assertion (A) : Inhabitants close to very busy airports are likely to experience health hazards. Reason (R) : Sound level of jet aeroplanes usually ex
Last Answer : Assertion (A) : Inhabitants close to very busy airports are likely to experience health hazards. Reason ... but reason is wrong D. Both are wrong
Description : Jet aeroplanes releases pollutants in air called
Last Answer : Jet aeroplanes releases pollutants in air called A. smog B. photo-chemical oxidants C. Aerosols D. Algae and bacteria.
Description : The gas used for inflating the tyres of aeroplanes is
Last Answer : The gas used for inflating the tyres of aeroplanes is A. Ar B. He C. `H_(2)` D. `N_(2)`
Description : What are collective nouns for aeroplanes?
Last Answer : What is the answer ?
Description : Which purified oil does Aviation fuel for jet aeroplanes consist?
Last Answer : – Kerosene
Description : Refrigeration in aeroplanes usually employs the following refrigerant (a) Co2 (b) Freon-11 (c) Freon-22 (d) Air
Last Answer : Ans: d
Description : Why axial flow compressor is preferred for gas turbines for aeroplanes ?
Last Answer : Because it has low frontal area.
Last Answer : Kerosene
Description : Styrene butadiene rubber (SBR) is never used for making (A) Coated fabrics (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)
Last Answer : (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)
Description : Which layer of the atmosphere provides ideal conditions for flying of jet aeroplanes?
Last Answer : Stratosphere
Description : Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives (B) ... resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium
Last Answer : (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives
Description : Window panes of aeroplanes are normally made of (A) Perspex (PMMA) (B) Teflon (PTFE) (C) Bakelite (phenol formaldehyde) (D) Polystyrene
Last Answer : Option A
Description : By changing the angle of attack of a wing, the pilot can control the aeroplane’s: a. Lift and airspeed, but not drag b. Lift, gross weight and drag c. Lift, airspeed and drag d. Lift and drag, but not airspeed
Last Answer : c. Lift, airspeed and drag
Description : A Flight Data Recorder is required in aeroplanes over: a. 20,000kg b. 5,700kg c. 10,000kg d. 7,000kg
Last Answer : b. 5,700kg
Description : Delta Air Lines wishes to purchase five new aeroplanes. Management seeks information from several aircraft manufacturers, screens the offers, and discusses price and terms of sale with the preferred company until a ... method of pricing is: A)administered. B)sealed bid. C)open bid. D)negotiated.
Last Answer : D)negotiated.
Description : 1. By which method is the age of most ancient geological formations estimated? 2. Which tax is levied by the Union and collected and appropriated by the States? 3. Ban-Ki-Moon the Secretary general of ... of the World's Pressure Belts? 20. Who is considered to be the father of Ayurveda ?
Last Answer : Answer : 1. C4 method 2. Stamp Duties 3. South Korea 4. Stratosphere 5. Malia 6. Nitrates 7. Lord Ripon 8. Decrease 9. Water Vapour 10. Devabhuti 11. Kamla Kant 12. Tax on entertainment ... 14. Coniferous forest 15. Tamils 16. 73rd 17. Polyethylene 18. Swami Vivekananda 19. Monsoon 20. Charaka
Description : R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes. Which of the following can be logically inferred from the above statements? (A) R2D2 is a robot which can only repair aeroplanes. ... . (C) R2D2 is a robot which can repair only aeroplanes. (D) Only R2D2 is a robot.
Last Answer : Correct option is (B). The statement ‘No other robot can repair aeroplanes’ means R2D2 is the only robot which can repair aeroplanes so option (B) is the best inference
Description : Why duralumin sheets are used in making aeroplanes body?
Last Answer : Duralumin sheets possess following properties: 1. Light in weight, tough. 2. Corrosion resistant. 3. Easily castable. 4. Strong as mild steel with good tensile strength. Because of these properties it is used in making aeroplanes body.
Description : Dried sewage after treatment is used as A. Fertilizer B. Building material C. Chemical for lowering B.O.D. D. Base material for paints
Description : The pressure exerted by A. The sewage when running full from inside, is called internal pressure B. The internal pressure if any, causes tensile stress in the pipe material C. Pressure sewers are designed to be safe in tension D. All the above
Last Answer : ANS: D
Description : most suitable material of construction for a sewer to carry sewage under high pressure is (A) Asbestos cement (B) Steel (C) Cement concrete (D) Stoneware
Last Answer : Option B
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 : A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. ... .kg-1, K-1is (A) -1.87 (B) 0 (C) 1.26 (D) 3.91
Last Answer : (B) 0
Description : Which method, vapor phase oxidation or direct-melt process, transforms deposited material into a solid glass preform by heating the porous material without melting?
Last Answer : Vapor phase oxidation.
Description : What are the steps taken before releasing sewage water into water bodies?
Last Answer : a) Sewage water must be treated to remove suspended particles. b) It must be aerated c) Chlorinated to purify water.
Description : A large quantity of urban sewage is drained to a nearby river. Which among the given conditions would happen after mixing of sewage into the river (i)
Last Answer : A large quantity of urban sewage is drained to a nearby river. Which among the given conditions would happen ... . ii and iii only D. iii and iv only
Last Answer : A large quantity of urban sewage is drained to a nearby river. Which among the given conditions would happen after ... iv C. ii and iii D. iii and iv
Description : Sewage treatment process in which part of decomposer bacteria is recycled into starting of the process is called :
Last Answer : Sewage treatment process in which part of decomposer bacteria is recycled into starting of the ... C. Primary treatement D. Tertiary treatment.
Description : Continuous sewage flow into a stream would lead to
Last Answer : Continuous sewage flow into a stream would lead to A. Eutrophication B. Algal bloom C. Depletion of oxygen D. Increase in temperature .
Description : When huge amount of sewage is dumped into a river the BOD will:
Last Answer : When huge amount of sewage is dumped into a river the BOD will: A. Increases B. Decreases C. Slightly decreases D. remains unchanged.
Description : Before discharging the foul sewage into rivers, it is generally treated by A. Screening B. Sedimentation C. Oxidation D. All the above
Description : Which of the following is put into anaerobic sludge digester for further sewage treatment? (a) Primary sludge (b) Floating debris (c) Effluents of primary treatment (d) Activated sludge
Last Answer : (d) Activated sludge
Description : Before discharging the foul sewage into rivers, it is generally treated by (a) screening (b) sedimentation (c) Oxidation (d) sludge digestion and disinfection (e) all the above*
Last Answer : e) all the above*
Description : When domestic sewage / fertilisers is released into rivers , the growth of algae and bacteria is a) promoted b)not affected c)inhibited d)None of the above
Last Answer : a) promoted