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 : Teflon can be used for manufacturing of knuckle joints. A. True B. False
Last Answer : A. True
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 : Within the external combination engine, a piston rod is usually connected to the cross head by means of....... A. Cotter joints B. Universal joints C. Knuckle joint D. Bearing
Last Answer : A. Cotter joints
Description : The split - pin is used in... A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint
Last Answer : B. Knuckle joint
Description : The joints between link of a suspension bridge, which of the following joints used.. A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint
Description : The diameter of knuckle pin in the knuckle joint is usually... A. 0.5 d B. 0.8 d C. 1.5 d D. d
Last Answer : D. d
Description : To joining the links of a bicycle chain which of the following joint is used. A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint
Description : The real application of knuckle joint is used to connect three rods - two with forks and a third with the eye. A. True B. False
Description : The knuckle joint is used two joint between the tie bars in roof trusses. A. True B. False
Description : Knuckle Joint is used to connect the two rods whose axes are coincide or intersect and lies in the same plane. A. True B. False
Description : Which of the following are parts of knuckle joint. A. Eye B. Pin C.Fork D. All of the above
Last Answer : D. All of the above
Description : Forked - pin joints is also called as... A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint
Description : The valve rod connected in steam engine by using.. A. Cotter joint B. Knuckle joint C. Universal coupling D. Bolted joint
Description : Maximum rod connecting limit by using knuckle joint is . A. 2 B. 3 C. 4 D. 5
Last Answer : B. 3
Description : The knuckle joint is used to connect the... A. Two roads whose Axes are coincide or intersecting and lies in single plane. B. Two roads whose Axes are coincide or intersecting and lies in multiple ... Two roads whose Axes are parallel or intersecting and lies in single plane. D. None of the above
Last Answer : A. Two roads whose Axes are coincide or intersecting and lies in single plane.
Description : In steam engine, the piston rod is usually connected to the cross head by means of a....... A. Cotter joints B. Universal joints C. Knuckle joint D. Bearing
Description : A knuckle joint can be used in valve mechanism of a reciprocating engine. a) Yes b) No c) Yes but there are stress probles d) No as it is very dangerous to use
Last Answer : a) Yes
Description : Which of the following are important parts of knuckle joint? a) Eye b) Pin c) Fork d) Each of the mentioned
Last Answer : d) Each of the mentioned
Description : A knuckle joint is also called socket pin joint. a) True b) False
Last Answer : b) False
Description : A maximum of how many roads may be connected using a knuckle joint? a) 2 b) 3 c) 4 d) 5
Last Answer : b) 3
Description : A knuckle joint is unsuitable for two rotating shafts, which transmit torque a) True b) False
Last Answer : a) True
Description : Knuckle Joint can’t be used to connect two intersecting rods. a) Yes b) No, it can’t be used c) It can be used with some modificatios d) It is expensive and hence isn’t used
Last Answer : b) No, it can’t be used
Description : Flywheel are generally made from (A) Cast Iron (B) High strength steel (C) Ceramics (D) All of the above
Last Answer : (D) All of the above
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 (are) true? (A) Cast iron has poor tensile strength compared to steel (B) Failure of cast iron flywheel is sudden and total (C) Machinability of cast iron flywheel is poor compared to steel flywheel (D) All of the above
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 : Supporting legs of a plate and frame filter is normally made of (A) Stainless steel (B) Cast iron (C) High speed steel (D) Wooden plank
Last Answer : (B) Cast iron
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 : Plate and frame filter press is usually made of (A) Mild steel (B) Cast iron (C) Stainless steel (D) Galvanised 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 : 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 : 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 : 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 : Concentrated HCl at 30°C can be stored in a vessel made of (A) PTFE and porcelain (B) Cast iron and aluminium (C) Stainless steel and high silicon cast iron (D) None of these
Last Answer : (A) PTFE and porcelain
Description : In the Kraft (sulphate) process for the paper manufacture, the digestor is made of (A) Cast iron (B) Stainless steel (C) Karbate carbon (D) Wrought iron
Last Answer : (B) Stainless steel
Description : Balls in a ball mill are usually made of (A) Steel (B) Cast iron (C) Stainless steel (D) Bronze
Last Answer : (A) Steel
Description : In a plate type heat exchanger, heat transfer plates are never made of (A) Stainless steel (B) Cast iron (C) Titanium (D) Hastelloy C
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
Description : Hydrochloric acid absorber in made of (A) Cast iron (B) Mild steel (C) Karbate (D) Stainless steel
Last Answer : (C) Karbate
Description : Ball bearings are generally made of (A) Plain carbon steel (B) Chrome carbon steel (C) Stainless steel (D) Malleable cast iron
Last Answer : (B) Chrome carbon steel
Description : Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of (A) Cast iron (B) Stainless steel or glass lined vessel (C) Karbate (D) Wrought iron
Last Answer : (B) Stainless steel or glass lined vessel
Description : Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of (A) Stainless steel or glass lined steel (B) Nickel clad steel (C) High silicon cast iron (D) Aluminium
Last Answer : (A) Stainless steel or glass lined steel
Description : Evaporator used for concentrating tomato juice is made of (A) Nickel (B) Brass (C) Stainless steel-glass lined (D) Cast iron-rubber lined
Last Answer : (C) Stainless steel-glass lined
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