Gas holder of a gobar (cow-dung) gas plant is made of
(A) Molybdenum stainless steel
(B) Tin
(C) Mild steel
(D) Aluminium

1 Answer

Answer :

(C) Mild steel

Related questions

Description : The digester of a Gobar gas plant is a (A) Mild steel drum (B) Stainless steel vessel (C) Masonry well (D) Cast iron vessel

Last Answer : (C) Masonry well

Description : Gobar gas is produced by the __________ of 'gobar' (cow dung). (A) Hydrolysis (B) Fermentation (C) Oxidation (D) Dehydration

Last Answer : (B) Fermentation

Description : Gobar gas is produced by the __________ of cow dung. (A) Fermentation (B) Oxidation (C) Hydrogenation (D) None of these

Last Answer : (A) Fermentation

Description : The 'bomb' in the bomb calorimeter is made of (A) Molybdenum stainless steel (B) Mild steel (C) High silicon iron (14% Si) (D) Copper

Last Answer : (A) Molybdenum stainless steel

Description : Most suitable material for high pressure vessel operating at 500 atm. and 500° C is (A) Molybdenum stainless steel (B) 18/8 stainless steel (C) Mild steel (D) High silicon iron (14% Si)

Last Answer : (A) Molybdenum stainless steel

Description : 100% H2SO4 at 30°C can't be stored in a vessel made/lined with (A) Cast iron and high silicon iron (B) Mild steel and stainless steel (C) Aluminium, tin and rubber (D) Teflon, glass and porcelain

Last Answer : (C) Aluminium, tin and rubber

Description : Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

Last Answer : (D) Brass, cast iron, mild steel and tin

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 : Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? (A) High silicon iron, silicon rubber ... Mild steel and stainless steel (C) Cast iron, tin and aluminium (D) Copper, nickel and Monel

Last Answer : (A) High silicon iron, silicon rubber, Kel-F and Teflon

Description : 18/8 stainless steel means, that it contains (A) 18% chromium and 8% nickel (B) 18% chromium and 8% molybdenum (C) 18% nickel and 8% chromium (D) 18% molybdenum and 8% chromium

Last Answer : (A) 18% chromium and 8% nickel

Description : Rotary driers are generally made of (A) Cast iron (B) Mild steel (C) High silicon iron (14% Si) (D) Tin lined with refractory bricks

Last Answer : (B) Mild steel

Description : Plate and frame filter press is usually made of (A) Mild steel (B) Cast iron (C) Stainless steel (D) Galvanised iron

Last Answer : (B) Cast iron

Description : Tank furnace used for melting of glass is made of (A) Mild steel (B) Cast iron (C) Refractory blocks (D) Stainless steel

Last Answer : (C) Refractory blocks

Description : Dies for wire drawing are generally made of (A) Mild steel (B) Stainless steel (C) Carbides (D) High carbon stee

Last Answer : (C) Carbides

Description : Hydrochloric acid absorber in made of (A) Cast iron (B) Mild steel (C) Karbate (D) Stainless steel

Last Answer : (C) Karbate

Description : In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of (A) Stainless steel (B) Mild steel (C) High speed steel (D) High carbon steel

Last Answer : (C) High speed steel

Description : Dies for wire drawing are generally made of (A) Mild steel (B) Stainless steel (C) Carbides (D) High carbon steel

Last Answer : (A) Mild steel

Description : The joint for soldering is supported by binding wire made of (A) Mild steel (B) Copper (C) Soft iron (D) Stainless steel

Last Answer : Option C

Description : Carbon tetrachloride can be stored in a storage vessel made of (A) High silicon iron (14% Si) (B) Tin (C) Stainless steel (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : How can I properly clean an old stainless steel napkin holder?

Last Answer : A stainless steel napkin holder isn't too hard to clean.The term stainlesss steel was,after all,first used to connote durability--it does not rust.You can wash a stainless steel napkin holder in ... any stainless steel eating utensils.Use the energy saver dry option to reduce the amout of heat used.

Description : The preferred material of construction for storage tanks for 98% sulphuric acid is (A) Aluminium (B) Lead (C) Stainless steel 316 (D) Mild steel

Last Answer : (B) Lead

Description : Mild steel is (A) A low carbon steel (0.05 to 0.3% carbon) (B) Highly resistant to corrosion (as much as stainless steel) (C) A high carbon steel (0.5 to 1.5% carbon) (D) Very poor in strength & ductility

Last Answer : (A) A low carbon steel (0.05 to 0.3% carbon)

Description : The material of construction of pressure mills used for squeezing out the juice from sugar cane is (A) Stainless steel (B) Cast iron (C) Mild steel (D) Monel

Last Answer : (B) Cast iron

Description : __________ is used as a material of construction for the blade of power saw. (A) Wrought iron (B) Stainless steel (C) Mild steel (D) High speed steel

Last Answer : Option D

Description : Specify the material of construction suitable for handling concentrated HNO3 at 100°C. (A) High silicon iron, Kel-F and Teflon (B) Tin and wood (C) Silicone rubber (D) Stainless steel

Last Answer : (A) High silicon iron, Kel-F and Teflon

Description : Which of the following is a low melting point metal? (A) Stainless steel (B) Wrought iron (C) Tin (D) Copper

Last Answer : (C) Tin

Description : The best material for the core of a transformer is – (1) stainless steel (2) mild steel (3) hard steel (4) soft iron

Last Answer : (4) soft iron Explanation: Iron has a very large magnetic response: it greatly amplifies an applied magnetic field. The transformer's ability to transfer energy depends on the strength of the magnetic ... field is amplified. The input energy can then be lower while still having the same effect.

Description : The steel generally used in R.C.C. work, is (A) Stainless (B) Mild steel (C) High carbon steel (D) High tension steel

Last Answer : Answer: Option B

Description : The steel used in R.C.C. work is (A) Stainless steel (B) Mild steel (C) High carbon steel (D) Wrought iron

Last Answer : Answer: Option B

Description : The steel used for the manufacture of rails, is (A) Bessemer steel (B) Mild steel (C) Cast steel (D) Stainless steel

Last Answer : Answer: Option A

Description : The steel used in steel cored conductors is usually (a) alloy steel (b) stainless steel (c) mild steel (d) high speed steel (e) all of the above

Last Answer : (c) mild steel

Description : The best material for the core of a transformer is (1) stainless steel (2) mild steel (3) hard steel (4) soft iron

Last Answer : soft iron

Description : Which of the following is not an example of a biomass energy source? (1) Wood (2) Ethanol (3) Cow dung (4) Atomic energy

Last Answer : (4) Atomic energy Explanation: The organic matter within the plants, the agriculture crops, and material related with the plants directly or in directly are called as the biomass.

Description : The biofertilizers are (a) Anabaena and Azolla (b) cow dung, manure and farmyard waste (c) quick growing crop ploughed under soil (d) none of these.

Last Answer : (a) Anabaena and Azolla

Description : _________ is a substance which undergoes spontaneous combustion. a) wood b)coal c)sodium d)cow dung cakes

Last Answer : c)sodium

Description : The important metal used with iron to produce stainless steel is – (1) Al (2) Chromium (3) Tin (4) Carbon

Last Answer : (2) Chromium Explanation: Stainless steel is an alloy of iron with chromium. Chromium prevents its from corrosion. Stainless steel differs from carbon steel by the amount of chromium present.

Description : _____ gives hardness to stainless steel. (1) Zinc (2) Lead (3) Carbon (4) Tin

Last Answer : (3) Carbon Explanation: Iron is alloyed with carbon to make steel and has the effect of increasing the hardness and strength of iron.

Description : ______ gives hardness to stainless steel. (1) Zinc (2) Lead (3) Carbon (4) Tin

Last Answer : (3) Carbon Explanation: Iron is alloyed with carbon lo make steel and has the effect of increasing the hardness and strength of iron. Pure iron cannot be hardened or strengthened by heat treatment but ... .3% carbon. The higher the carbon content, the less formable and the tougher the steel becomes.

Description : _____ gives hardness to stainless steel. (1) Zinc (2) Lead (3) Carbon (4) Tin

Last Answer : Carbon

Description : The important metal used with iron to produce stainless steel is (1) Aluminium (2) Chromium (3) Tin (4) Carbon 

Last Answer : Chromium

Description : Hastelloy comprises of (A) Copper and tin (B) Copper and nickel (C) Molybdenum and nickel (D) Lead and tin

Last Answer : (C) Molybdenum and nickel

Description : Nickel base alloys with __________ are known as monel metal. (A) Zinc (B) Tin (C) Copper (D) Molybdenum

Last Answer : (C) Copper

Description : Cassiterite is an ore of (A) Tin (B) Lead (C) Molybdenum (D) Chromium

Last Answer : (A) Tin

Description : Acetylene gas holder is made of (A) Copper (B) Cast iron (C) Steel (D) Monel metal

Last Answer : (C) Steel

Description : Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of (A) High carbon steel (B) Molybdenum (C) Zircaloy (D) Boron or cadmium

Last Answer : (D) Boron or cadmium

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 : 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 : Main constituent of the gas produced from a gobar gas plant is (A) CO2 (B) CH4 (C) H2 (D) CO

Last Answer : (B) CH4

Description : Which of the following alloy steels is the most suitable for making gun barrels and projectiles? (A) Tungsten steel (B) Molybdenum steel (C) Nickel-chrome steel (D) Cobalt steel

Last Answer : (C) Nickel-chrome steel

Description : Corrosion resistance of steel is increased by the addition of (A) Phosphorous and tungsten (B) Nickel and chromium (C) Lead and vanadium (D) Molybdenum and tungsten

Last Answer : (B) Nickel and chromium