Multi Option Question Page 439

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You Are On Multi Choice Question Bank SET 439

21951. Platinum and silver are corroded by

21952. Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium

21953. The material used in the filament of electric bulbs is

21954. Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making

21955. Caustic soda can be stored in __________ drums.

21956. Which type of valve are used in I.C.engines?

21957. Wrought iron is

21958. Perspex is nothing but

21959. Centrifugal pump made of pyrex or glass can't be used to pump

21960. Ability of a material to __________ is indicated by its damping capacity.

21961. Corrosion resistance of steel is increased by the addition of

21962. Hydrochloric acid is __________ corrosive to common metals.

21963. Tank furnace used for melting of glass is made of

21964. Spray dryer for evaporating milk to produce milk powder is made of

21965. Chromel (Nichrome) is an alloy of

21966. Which of the following is not an alloy of nickel and chromium ?

21967. Thermoplastic resins are those polymers, which

21968. The temperature at which new grains are formed in the metal is called the __________ temperature.

21969. Molten phthalic anhydride is stored in a/an __________ vessel.

21970. Fatigue failure of a material results from __________ stress.

21971. Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

21972. Which type of the pistons used in two stroke engines?

21973. Ability of a material to absorb energy in deformation in the plastic range is characterised as its

21974. Monel alloy is

21975. Molybdenum steels containing 0.15 to 0.40% molybdenum

21976. Kel-F is a material, which is

21977. Presence of high amount of silicon in cast iron

21978. Rubber lined pumps can be used to pump

21979. Titanium metal

21980. Purity of electrical grade aluminium should be ≥ __________ percent.

21981. Maximum consumption of zinc is in

21982. Hardest materials so far found is

21983. Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as

21984. Which of the following commercial metals is most abundantly found in India ?

21985. Tin vessels are corroded by

21986. Out of the following, copper vessels are the most suitable for the storage of

21987. Tempering of steel is done to make it

21988. Concrete tank can be used to store

21989. Zinc is highly __________ at room temperature.

21990. Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property ?

21991. Most common stainless steel type 316, which is highly resistant to corrosion contains

21992. Which are constant clearance pistons?

21993. Which type of bearings used in wheel hub?

21994. Which of the following is a non-magnetic material ?

21995. An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called

21996. The material of construction of pressure mills used for squeezing out the juice from sugar cane is

21997. Rotary driers are generally made of

21998. Presence of high phosphorous in cast iron increases its

21999. The phenomenon in which slow extension of material takes place with the time at constant load is called

22000. A material capable of undergoing large permanent deformation, when subjected to compression is termed as

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21951. Platinum and silver are corroded by (adsbygoogle = window.adsbygoogle || []).push({});