0% 0 Materials and Construction Quiz 9 1 / 50 Which of the following has a very high carbide forming tendency in steels ? Nickel Silicon Chromium Vanadium 2 / 50 Which of the following crystal structures characterises the austenitic stainless steel ? Face centred cubic None of these Simple hexagonal Body centred cubic 3 / 50 Vycor, a widely used material for making ?thermal wells? in temperature measurement, is a________? Cermet Metallic alloy Thermosetting plastic Glass 4 / 50 Which of the following has the highest density and the lowest melting point ? Stainless steel Lead Titanium Aluminium 5 / 50 Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of ___________? Nickel Stainless steel Copper Brass 6 / 50 To improve the machinability of steel by its softening, it is subjected to ___________? Cold working Heating Shot blasting Annealing 7 / 50 Which of the following alloys does not contain nickel ? Chloro, et-2 alloy Monel Babbitt metal Inconel 8 / 50 Visco-elastic behaviour of materials which is time dependent is common in_______? Crystalline solid Non-crystalline solids Plastics Non-crystalline organic polymer 9 / 50 Titanium metal__________? None of these Is used in oceanographic and space exploration applications Cannot be welded Exists in three allotropic forms 10 / 50 Which of the following alloy steels is the most suitable for making gun barrels and projectiles ? Nickel-chrome steel Molybdenum steel Cobalt steel Tungsten steel 11 / 50 Which of the following is a non-magnetic material ? Nickel Zinc None of these Cobalt 12 / 50 Which has the maximum melting point out of the following ? Steel Stainless steel Wrought iron Cast iron 13 / 50 Which of the following has the least carbon percentage ? Mild steel Low carbon steel Wrought iron White cast iron 14 / 50 Which of the following is a low melting point metal ? Wrought iron Stainless steel Tin Copper 15 / 50 Which is an amorphous material ? Brass Cast iron Glass Mica 16 / 50 Which of the following is an alloy of nickel and copper ? Hastelloy Monel Inconel Duriron 17 / 50 Which of the following crystal structures characterises the ferritic stainless stee l? Simple hexagonal Body centred cubic Face centred cubic None of these 18 / 50 Water gas generator is made of___________? Carbon steel-brick lined High carbon steel-porcelain lined Cast iron Stainless steel-lead lined 19 / 50 Which of the following is not a nickel based alloy ? Nimonics Hastelloys Babbitt metal Inconel 20 / 50 Which of the following is not an alloy of nickel and chromium ? Duralumin Hastelloy Inconel Nimonic alloys 21 / 50 Trough of an apron conveyor is made of_____? Lead lined concrete vessel Either B. or C. Wood Metal 22 / 50 Which of the following has no effect on the carbide forming tendency in steels ? Molybdenum Vanadium Chromium Phosphorus 23 / 50 Tin vessels are corroded by______? Synthetic detergent solution None of these Aromatic solvents Anhydrous ammonia 24 / 50 Vessels made of ______ can be used to store dry chlorine? None of these Steel or iron Thermoplastic materials Nickel 25 / 50 To improve the machinability of steel, it is generally subjected to________? Tempering Annealing Normalising Spheroidising 26 / 50 Urea autoclave is made of__________? Cast iron Lead lined steel Refractory blocks Stainless steel The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same system is_________? 27 / 50 Which of the following comprises of hydrocarbons ? None of these Rubber Glass Mica flakes 28 / 50 Which of the following is not an alloy of copper ? Admiralty gun metal Muntz metal Pewter metal German silver 29 / 50 Which metal is protected by the layer of its own oxide ? Calcium Silver Iron Aluminium 30 / 50 Which of the following has the highest compressive strength ? Wrought iron High carbon steel Cast iron Mild steel 31 / 50 Which of the following has the least value of ultimate tensile strength (UTS) ? Medium carbon steel Cast iron High carbon steel Wrought iron 32 / 50 Which of the following is a light alloy ? Dow metal German silver Monel metal Babbitt metal 33 / 50 Which of the following heat treatment processes is used for softening the hardened material ? None of these Normalising Tempering Annealing 34 / 50 Which is the purest form of iron ? Pig iron Bessemer iron Grey iron Wrought iron 35 / 50 Thermosetting resins are those polymers, which___________? Allow slip to occur between molecules Do not increase in plasticity with rise in temperature Do not take on a permanent set None of these 36 / 50 Tin in its pure form is used for making________? Collapsible tubes for toilet preparations Foil for wrapping cheese Cans for food packing All A., B. and C. 37 / 50 Which of the following finds the least commercial use ? High carbon steel Pure iron High silicon iron Low carbon steel 38 / 50 Very high sulphur in pig iron makes _____? Its brittle and malleable Its casting unsound All A., B. & C. Its hard and machinable 39 / 50 Tin coating on metals is not done by_______? Powder metallurgy Hot dipping Spraying Electro-deposition 40 / 50 Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines ? Molybdenum steel Chromium steel Silicon steel None of these 41 / 50 Which of the following has the poorest weldability ? Mild steel Wrought iron Low carbon steel High-carbon steel 42 / 50 When iron is rusted, it is___________? None of these Oxidised Reduced Converted to a fine powder 43 / 50 Valves in pipe size of 2? and under are normally made of_________? Bronze Wrought iron Brass Monel 44 / 50 Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property ? Sulphur Phosphorus Silicon None of these 45 / 50 Which of the following contains maximum percentage of carbon ? Rail steel Saws for cutting steel Railway spring steel Boiler plate steel 46 / 50 Which of the following is not a non-ferrous alloy ? Magnalium Muntz metal Meehanite Gun metal 47 / 50 Which of the following exercises most powerful influence on the mechanical properties of steel ? Manganese Silicon Phosphorous Carbon 48 / 50 Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower__________? Abundant availability Price Corrosion resistance Thermal conductivity 49 / 50 Which of the following alloys does not contain nickel ? Monel Inconel Chlorinet ? 2 alloy Babbitt metal 50 / 50 When the steel is subjected to normalising, its _______ decreases? Yield point Ductility None of these Ultimate tensile strength (UTS) Provide Your Information Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevMaterials and Construction Quiz 8 Materials and Construction Quiz 10Next
