Description : The commonly used base for iron and steel work, is (A) Red lead (B) Zinc white (C) White lead (D) Titanium white
Last Answer : Answer: Option A
Description : Paints with white lead base are suitable for painting of (A) Wood work (B) Iron work (C) Both wood work and iron work (D) None of the above
Description : Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below: ... of A (C) A is true but R is false (D) A is false but R is true
Description : Which of the following is an yellow pigment? (A) Titanium dioxide (B) Ferrous sulphate (C) Lead chromates (D) Zinc sulphides
Last Answer : (C) Lead chromates
Description : The pigment used in paints for corrosive resistance, is (A) White lead (B) Ferrous oxide (C) Zinc white (D) Red lead
Last Answer : Answer: Option D
Description : The type of joint commonly used at the junction of a principal rafter and tie beam in timber trusses is (A) Mortise and tenon joint (B) Oblique mortise and tenon joint (C) Butt joint (D) Mitred joint
Last Answer : Answer: Option B
Description : Putty is made up of a) White lead and turpentine b) Powdered chalk and raw linseed oil* c) Red lead and linseed oil d) Zinc oxide and boiled linseed oil
Last Answer : b) Powdered chalk and raw linseed oil*
Description : Whic of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc.? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon
Last Answer : (2) Nickel and cadmium Explanation: A rechargeable battery, storage battery, or accumulator is a type of electrical battery. It comprises one or more electrochemical cells, and is a ... sizes, ranging from button cells to megawatt systems connected to stabilize an electrical distribution network.
Description : Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? (1) Iron and cadmium (2) Nickel and cadmium (3) Lead peroxide and lead (4) Zinc and carbon
Last Answer : Nickel and cadmium
Description : The timber having maximum resistance against white ants, is obtained from (A) Chir (B) Shishum (C) Sal (D) Teak
Description : When an inert atmosphere is required in metallurgical operation nitrogen is commonly used. However in the extraction of titanium from `TiCl_(4)` using
Last Answer : When an inert atmosphere is required in metallurgical operation nitrogen is commonly used. ... form nitrogne chloride which inhibits the reaction
Description : Which of the following commonly used condenser tube materials has the lowest thermal conductivity? (A) Admiralty brass (B) Stainless steel (C) Aluminium brass (D) Titanium
Last Answer : (B) Stainless steel
Description : Which of the following is used as base material in Selective laser sintering (SLS)? a.Photopolymer b.Thermoplastics, Metal powders c.Titanium alloys d.Various materials
Last Answer : b.Thermoplastics, Metal powders
Description : Which of the following is used as base material in Electron Beam Melting (EBM) process? a.Titanium alloys b.Photopolymer c.Various materials d.Paper
Last Answer : a.Titanium alloys
Description : Which of the following is used as base material in Stereolithography (SLA) process? a.Thermoplastics , Metals powders b.Thermoplastics , Eutectic metals. c.Titanium alloys d.Photopolymer
Last Answer : d.Photopolymer
Description : Which of the following has the highest density and the lowest melting point? (A) Stainless steel (B) Titanium (C) Lead (D) Aluminium
Last Answer : (C) Lead
Description : Which of the following is the costliest material of construction used in pressure vessel construction? (A) Low alloy steel (B) Lead (C) Titanium (D) High alloy steel
Last Answer : (C) Titanium
Description : What is used as a photocatalyst? a) Titanium dioxide b) Lead chromate c) Cobalt pigments d) Iron oxide
Last Answer : a) Titanium dioxide
Description : Which of the following is used for wrapping of fractured bones? (1) White cement (2) White lead (3) Zinc oxide (4) Plaster of Paris
Last Answer : (4) Plaster of Paris Explanation: Plaster of Paris is a plaster made by calcining gypsum. It can be used to impregnate gauze bandages to make a sculpting material called modroc. It is used ... (and sometimes still is) used to make classic plaster orthopedic casts to protect limbs with broken bones.
Description : Since fuse elements are made of zinc or any alloy of tin and lead, the melting point of the fuse element must be _____________. A. higher than that of copper B. lower than that of copper C. equal to that of copper D. reached when the conductor it is protecting becomes 'white hot.'
Last Answer : Answer: B
Description : White metal is an alloy of (A) Lead, tin and cadmium (B) Copper, tin and zinc (C) Copper and lead (D) None of these
Last Answer : (D) None of these
Last Answer : Plaster of Paris
Description : Consider the following statements about the soils of India : [IAS 2004] 1. High temperature during most of the year retards formation of humus 2. Soils which have humus require regular application of chemical fertilizers to remove nitrogen ... ) 1 and 2 (b) 1, 3 and 4 (c) 2 and 3 (d) 2 and 4
Last Answer : Ans: (b)
Description : Name the tree, the timber of which could be used for the following: (i) A soft and white timber used for making toys and match boxes. -Geography
Last Answer : (i) Semul (ii) Teak (iii) Sandalwood
Description : For more complete vessel protection when using an impressed current cathodic system _____________. A. all ship's service alternators have additional temperature sensing devices and a thermal recorder ... with the hull and the propeller shaft is grounded through a slip ring/brush arrangement
Last Answer : Answer: D
Description : Titanium dioxide is a/an __________ colour pigment. (A) White (B) Black (C) Yellow (D) Blue
Last Answer : (A) White
Description : Which oxide of the following metals is often used as a pigment in white paint? w) titanium x) cobalt y) nickel z) vanadium
Last Answer : ANSWER: W -- TITANIUM
Description : Which of the following metals cannot be hot worked at room temperature? (A) Zinc (B) Nickel (C) Lead (D) Tin
Last Answer : Option B
Description : German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc
Last Answer : Answer: Option C
Description : Brass is an alloy of (A) Copper and zinc (B) Zinc and lead (C) Tin and silver (D) Zinc and nickel
Description : The advantage of a concrete pile over a timber pile, is (A) No decay due to termites (B) No restriction on length (C) Higher bearing capacity (D) All the above
Description : The smoothened surface of the front face of the guay walls, is known as fending which is made of (A) Granite stone (B) Timber (C) Steel (D) All the above
Last Answer : (D) All the above
Description : The most valuable timber may be obtained from (A) Chir (B) Shishum (C) Sal (D) Teak
Description : Dry rot (A) Cracks the timber (B) Reduces the strength of timber (C) Reduces the timber to powder (D) Spoils the appearance of timber
Description : The presence of original rounded surface on the manufactured piece of timber, is called (A) Wane (B) Torn grain (C) Diagonal grain (D) Chipmark
Description : Seasoning of timber is essential to remove (A) Knots from timber (B) Sap from timber (C) Twisted fibre from timber (D) Roughness of timber
Description : Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a (A) Cant (B) Deal (C) Baulk (D) Strip
Description : A well seasoned timber may contain moisture up to (A) 4 to 6 % (B) 6 to 8 % (C) 8 to 10 % (D) 10 to 12 %
Description : Knots in timber are (A) Defects caused by crushing fibres (B) Splits radiating from the centre (C) Speckled strains (D) Signs of branches cut off
Description : A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called (A) Slate (B) Plank (C) Board (D) Strip
Description : The moisture content in a well seasoned timber is (A) 4 % to 6 % (B) 10 % to 12 % (C) 15 % to 20 % (D) 100 %
Description : Plywood is made from (A) Common timber (B) Bamboo fibre (C) Teak wood only (D) Asbestos sheets
Description : Seasoning of timber is done for (A) Increasing moisture content (B) Decreasing moisture content (C) Increasing strength of timber (D) None to these
Description : The practical limit of moisture content achieved in air drying of timber is (A) 5 % (B) 15 % (C) 25 % (D) 35 %
Description : Pick up the correct statement from the following: Method of sawing timber (A) Tangentially to annual rings, is known as tangential method (B) In four quarters such that each board cuts annual rings ... medullary rays and perpendicular to annual rings, is known as radial sawing (D) All the above
Description : According to IS 399-1963, the weight of the timber is specified at (A) 8% moisture content (B) 10% moisture content (C) 12% moisture content (D) 14% moisture content
Description : Veneering means (A) Carving out designs on timber planks (B) Chemically treating timber planks (C) Thick layer of superior wood glued to inferior wood (D) Thin layer of superior wood glued to inferior wood
Description : First class timber has an average life of (A) Less than one year (B) 1 to 5 years (C) 5 to 10 years (D) More than 10 years
Description : Seasoning of timber is done (A) To make it water proof (B) To paint its surface (C) To increase its temperature (D) To remove water