Description : Monel alloy is (A) The costliest of all the alloys of nickel (B) Not suitable for making kitchen utensils (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature (D) Not used in cast and wrought forms
Last Answer : (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature
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 : Heavy duty bearings are usually made of (A) White metal (B) Phosphorous bronze (C) Monel (D) Zinc
Last Answer : (A) White metal
Description : Bearings subjected to light load are made of (A) White metal (B) Phosphorous bronze (C) Monel (D) Silicon bronze
Last Answer : (B) Phosphorous bronze
Description : ________ is an alloy made from iron , chromium and nickel . a) stainless steel b)steel c)brass d)bronze
Last Answer : a) stainless steel
Description : Out of the following, which will fracture most readity, when hit with a hard hammer? (A) Brass (B) Bronze (C) German silver (D) Cast iron
Last Answer : Option D
Description : Nickel is a constituent of (A) Bronze (B) Solder (C) Duralumin (D) Monel metal
Last Answer : (D) Monel metal
Description : Pick out the wrong statement. (A) The toughness of a material decreases, when it is heated (B) Crane hooks are normally made of wrought iron (C) Cold working of a metal decreases its ... (D) The temperature at which new grains are formed in a metal is known as the recrystallisation temperature
Last Answer : (C) Cold working of a metal decreases its fatigue strength
Description : Nickel (76%) and chromium (15%) alloys are termed as (A) Inconel (B) Monel (C) Aluminium bronzes (D) Brass
Last Answer : (A) Inconel
Description : Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it. (A) Copper (B) Copper alloys (C) Stainless steel (D) Monel
Last Answer : (C) Stainless steel
Description : Permanent magnet is normally made of- (a) Aluminum (b) Wrought iron (c) Cast iron (d) Alnico alloys
Last Answer : Ans: C
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
Last Answer : (B) Cast iron
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 : Pick out the wrong statement. (A) Bronze is an alloy of copper & tin (B) Brass is an alloy of copper & zinc (C) The alloy named 'German silver' does not contain any silver (D) The ability of a material to fracture without appreciable deformation is called its ductility
Last Answer : (D) The ability of a material to fracture without appreciable deformation is called its ductility
Description : Anodic material used for the cathodic protection of underground buried steel pipeline is (A) Nickel or copper (B) Zinc or magnesium (C) Bronze (D) Brass
Last Answer : (B) Zinc or magnesium
Description : Babbitt lining is used on brass/bronze bearings to increase the (A) Antifriction properties (B) Compressive strength (C) Bearing resistance
Description : Of the following commonly used materials, the one that is not an alloy is (a) steel (b) brass (c) bronze (d) diamond
Last Answer : Ans:(d)
Description : Which of the following statements is correct? I. German silver is an alloy of silver, copper and zinc II. There is no zinc in brass III. Bronze is an alloy of copper and tin (a) I, II, and III (b) Only III (c) I and III (d) I and II
Last Answer : Ans:(b)
Description : Of the following commonly used materials, the one that is not an alloy is - (1) Steel (2) Brass (3) Bronze (4) Copper
Last Answer : (4) Copper Explanation: Copper is not an alloy; it is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. It is used as a constituent of various ... marine hardware and coins, and constant an used in strain gauges and thermocouples for temperature measurement.
Description : The first metal used by a man was – (1) Copper (2) Silver (3) Bronze (4) Brass
Last Answer : (1) Copper Explanation: Copper occurs naturally as native copper and was known to some of the oldest civilizations on record. It has a history of use that is at least 10,000 years old, and ... that gold and meteoric iron (but not iron smelting) were the only metals used by humans before copper.
Description : What is the different between brass and bronze ?
Last Answer : Brass is an alloy of copper with zinc; and bronze is alloy of copper with tin.
Description : Which is the common element between brass and bronze ?
Last Answer : Copper.
Description : What is the name for the greenblue coat- ing that forms naturally on copper; bronze and brass?
Last Answer : Verdigris
Description : Differentiate between any five of the following: a) DNA and RNA b) Alloy and Amalgam c) Blood and Lymph d) Stars and Planets e) Gas and Vapour f) Brass and Bronze
Last Answer : a) DNA & RNA RNA: It is single stranded molecule Contains Ribose sugar contains adanine, guanine ,cytosine, & uracil bases generally located in cytoplasm is of three kinds DNA: Double stranded deoxyribose contains ... and Bronze: Brass: an alloy of copper and zinc Bronze: an alloy of copper and tin
Description : Which metal is present both in brass and bronze?
Last Answer : Copper
Description : At yield point' of a copper wire A. the load hasn't exceeded the elastic limit yet; so, Hooke's law applies B. the load has already exceeded the elastic limit and the material has become ... stage has passed and the wire has snapped already D. Like Brass and Bronze, Copper has no yield poin
Last Answer : the load has already exceeded the elastic limit and the material has become plastic
Description : What Is The Common Element Between The Brass And Bronze Metal Alloys?
Description : An alloy consisting mainly of tin and lead is called: w) brass x) bronze y) pewter z) chrome
Last Answer : ANSWER: Y -- PEWTER
Description : Of the following commonly used materials, the one that is not an alloy is (1) Steel (2) Brass (3) Bronze (4) Copper
Description : The first metal used by a man was (1) Copper (2) Silver (3) Bronze (4) Brass
Description : Acetylene gas holder is made of (A) Copper (B) Cast iron (C) Steel (D) Monel metal
Last Answer : (C) Steel
Description : Brine (15% concentration) can be stored in a vessel made of (A) Monel (B) Karbate (C) Cast iron (D) None of these
Last Answer : (A) Monel
Description : How do the valves work on brass intruments?
Last Answer : Each valve has two sets of holes, which direct the air flow either directly through, or when the valve is pressed, through additional tubing. By making the entire instrument slightly longer, it lowers the pitch.
Description : How do the valves work on the brass instruments?
Last Answer : The valves in a brass instrument re-direct the air intodifferent parts of the tubing. Each valve controls a different partof the instrument. The longer the tubing, the lower the note willbe.
Description : What period did Valves for brass instruments come to use?
Last Answer : Modern piston valves (the type that move up and down) weredeveloped in the 1830s. Rotary valves were introduced some 20 yearsearlier.
Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass
Last Answer : Option A
Description : An ideal material of construction for the storage of 50% caustic soda solution would be (A) Karbate (B) High silicon cast iron (C) Monel (D) None of these
Last Answer : (C) Monel
Description : Most suitable material of construction for the storage of concentrated nitric acid is (A) Cast iron (B) Monel (C) Karbate (D) Aluminium or chromium alloys (Cr > 18% for cold acid)
Last Answer : (D) Aluminium or chromium alloys (Cr > 18% for cold acid)
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
Description : Hydrocyanic acid is not shipped in (A) Cast iron vessels (B) Steel cylinders (C) Aluminium containers (D) Monel drums
Last Answer : (A) Cast iron vessels
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 : 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 : 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 : The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement. (A) Brass for low (B) Nickel alloys for high (C) Both 'a' & 'b' (D) Aluminium for all
Last Answer : (C) Both 'a' & 'b'
Description : Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of (A) Bronze (B) Stainless steel (C) Flint or porcelain (D) Concrete
Last Answer : (C) Flint or porcelain
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 : Air valves are generally provided in pressure pipes of water supply (A) At pipe junctions (B) At summits (C) At low points (D) Near service pipes
Last Answer : (B) At summits
Description : ____________is used to release condensate in pipe work a) steam trap b) valves c) power generators d) none of above
Last Answer : b) valves
Description : Approximately, how many times each day do our heart valves open and close normally? A. 10,000 B. 1,00,000 C. 1,50,000 D. 2,00,000
Last Answer : ANSWER: B