Description : Lead is poured into the joint between two- __________ pipes. (A) Mild steel (B) Concrete (C) Cast iron (D) Asbestos cement
Last Answer : (C) Cast iron
Description : Lead is poured into the joint between two __________ pipes. (A) Mild steel (B) Concrete (C) Cast iron (D) Asbestos cement
Last Answer : Option C
Description : Cast iron detachable joint is used in __________ pipes. (A) Steel (B) Cast iron (C) Asbestos cement (D) Reinforced cement concrete
Last Answer : (A) Steel
Description : Which one is remelted and poured into moulds to get cast iron? (A) Wrought iron (B) Pig iron (C) Low carbon steel (D) Mild steel
Last Answer : (B) Pig iron
Description : Cast iron and steel pipes are produced by __________ casting. (A) Die (B) Investment (C) Slush (D) True centrifugal
Last Answer : (D) True centrifugal
Description : Aqueous nitric acid is stored in __________ vessel. (A) Plain carbon steel (B) Stainless steel (C) Cast iron (D) Thermosetting plastic material
Description : For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is (A) Stainless steel (B) Cast iron (C) Aluminium (D) Nickel
Last Answer : (B) Cast iron
Description : On being hit with a hammer, __________ will readily fracture. (A) Brass (B) Mild steel (C) Cast iron (D) Lead
Last Answer : C) Cast iron
Description : Manholes are less common in (A) Cast iron pipes (B) Steel pipes (C) Hume steel pipes (D) R.C.C. pipes
Last Answer : (A) Cast iron pipes
Description : __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently. (A) Collar (B) Flanged (C) Bell and Spigot (D) Expansion
Last Answer : Option B
Description : Soap kettle used in the production of laundry soap is made of (A) Steel with top section nickel clad or stainless steel (B) Cast iron (C) Nickel (D) Concrete
Last Answer : (A) Steel with top section nickel clad or stainless steel
Description : H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware
Last Answer : (A) Aluminium, mild steel, stainless steel, concrete & tin
Description : _________ pipe is the most suitable for carrying sanitary drainage. (A) Stainless steel (B) Reinforced cement concrete (C) Cast iron (D) Asbestos cement
Description : Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint. (A) Flanged iron (B) Collar (C) Flexible (D) Expansion
Description : Lead caulked joints are used for laying A. Stone ware pipes B. Earthenware pipes C. C.I. pipes D. G.I. pipes
Last Answer : ANS: B
Description : Ammonium chloride solution is stored/ treated in __________ vessels/pipes. (A) Plain carbon steel (B) Stainless steel (C) Rubber or durmet-20 lined (D) Lead
Last Answer : (C) Rubber or durmet-20 lined
Description : Dilute sulphuric acid is transported in __________ pipes. (A) Mild steel (B) Lead (C) Copper (D) Special alloys
Last Answer : (B) Lead
Description : Mild steel is used for (A) Structural works in beams, joints and girders (B) Small sized water pipes (C) Columns and struts (D) None of these
Last Answer : Answer: Option A
Description : Balls for ball mills are never made of (A) Forged/cast steel (B) Lead (C) Cast iron (D) Alloy steel
Description : The carbonating tower used in Solvay process of soda ash manufactureis made of (A) Cast iron (B) Stainless steel (C) Karbate (D) Lead lined steel
Last Answer : (A) Cast iron
Description : In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of (A) Stainless steel (B) Cast iron (C) Lead lined steel (D) Rubber lined steel
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 : Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of (A) Rubber lined mild steel (B) Lead lined mild steel (C) Aluminium (D) Cast iron
Last Answer : (A) Rubber lined mild steel
Description : Water gas generator is made of (A) Carbon steel-brick lined (B) Stainless steel-lead lined (C) Cast iron (D) High carbon steel-porcelain lined
Last Answer : (A) Carbon steel-brick lined
Description : Urea autoclave is made of (A) Cast iron (B) Refractory blocks (C) Stainless steel (D) Lead lined steel
Last Answer : (C) Stainless steel
Description : Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron
Last Answer : (B) Stainless steel
Description : Liners of a ball mill are never made of (A) Lead (B) Alloy steel (C) Rubber or ceramic material (D) Cast iron
Last Answer : (A) Lead
Description : Material of construction of pipe generally used for conveying water in India is (A) Stainless steel (B) Cast iron (C) Wrought iron (D) Lead lined steel
Description : Hydrochloric acid is stored in a __________vessel. (A) Lead lined steel (B) Rubber lined steel (C) Stainless steel (D) Cast iron
Last Answer : (B) Rubber lined steel
Description : Maximum shear stress theory is used for (A) Cast iron shafts (B) Steel shafts (C) Flexible shafts (D) Plastic shafts
Last Answer : (B) Steel shafts
Description : Maximum principle stress theory is used for (A) Cast iron shafts (B) Steel shafts (C) Aluminum shafts (D) Plastic shafts
Last Answer : (A) Cast iron shafts
Description : Copper is dissolved from its ore by H2SO4 in a percolation tank made of (A) Wood (B) Stainless steel (C) Reinforced concrete lined with lead (D) High silicon iron (14% Si)
Last Answer : (C) Reinforced concrete lined with lead
Description : Caustic soda can be stored in __________ drums. (A) Steel (B) Cast iron (C) Brass (D) Gun metal
Description : Acetaldehyde is shipped in __________ drums. (A) Cast iron (B) Steel (C) Aluminium (D) Either (B) & (C)
Last Answer : (D) Either (B) & (C)
Description : Out of the following, the __________ pipe has the least corrosion resistance. (A) Mild steel (B) Copper (C) Cast iron (D) Wrought iron
Last Answer : D) Wrought iron
Description : Is sulfuric acid safe to clean old cast iron drain pipes?
Last Answer : I'm not sure, I believe so though.
Description : Pick up the wrong nominal internal diameter of cast iron (spun) pipes in mm from the following: (A) 300 (B) 400 (C) 550 (D) 650
Last Answer : (C) 550
Description : Cast iron pipes are generally preferred to, because (A) Of moderate cost (B) Of ease to join (C) Of longer life (D) All the above
Last Answer : (D) All the above
Description : The type of joint generally used in cast iron pipes, is (A) Socket and spigot joint (B) Flanged joint (C) Dresser coupling joint (D) All the above
Description : Cast iron pipes (A) Are widely used in city water supplies (B) Resist corrosion satisfactorily (C) May last for 100 years (D) All the above
Description : The cast iron pipes for water supply system are used for (A) Durability (B) Strength (C) Easy connection (D) All the above
Description : The type of pipe commonly used in water supply distribution schemes, is (A) R.C.C. pipes (B) Hume pipes (C) Cast iron pipes (D) G.I. pipes
Last Answer : (C) Cast iron pipes
Description : The maximum pressure to which cast iron pipes may be subjected to, is (A) 3 kg/cm2 (B) 5 kg/cm2 (C) 7 kg/cm2 (D) 10 kg/cm
Last Answer : (C) 7 kg/cm
Description : The joint used for joining the plain ends of cast iron pipes, is (A) Flanged joint (B) Socket and spigot joint (C) Dresser coupling joint (D) Flexible joint
Last Answer : (C) Dresser coupling joint
Description : Pick up the correct statement from the following: (A) Copper pipes are highly resistant to acidic and alkaline water (B) Wrought iron pipes are lighter than cast iron pipes (C) Wrought iron pipes corrode quickly and are less durable (D) All the above
Description : Cast iron is used for (A) Structural works in beams (B) Small sized water pipes (C) Columns and struts (D) None to these
Last Answer : Answer: Option C
Description : Plastic tubes & pipes are generally made by __________ moulding. (A) Injection (B) Transfer (C) Extrusion (D) Compression
Last Answer : (C) Extrusion
Description : If you poured fresh concrete for a patio and a critter walked through it would you just leave it be?
Last Answer : It depends on the critter. If the critter was a horse or a hippo, I think the sizes of the holes their feet would leave would be unsafely large. I'd definitely fill them in. If the quadruped was a cow ... the concrete. If I was able to do that, then I'd add some hearts and smiles to her artistry.
Description : Can concrete be poured in the rain?
Last Answer : No, inadvisable.
Description : Brine solution is stored/treated in __________ lined vessels/pipes. (A) Rubber (B) Lead (C) Glass (D) Nickel
Last Answer : (D) Nickel