Related Questions

Normalising of a casting does not
A Induce stresses in it
B Refine its grain structure
C Reduce seggregation
D Improve its mechanical properties
Normalising of an object does not
A Refine coarse grain structure obtained during hot working
B Improve ductility
C Improve yield strength
D Improve machanical properties
When the steel is subjected to normalising, its __________ decreases.
A Yield point
B Ductility
C Ultimate tensile strength (UTS)
D None of these
Normalising of steel is done to
A Refine the grain structure
B Remove strains caused by cold working
C Remove dislocations caused in the internal structure due to hot working
D All of the above
Circulation of liquid metal (i.e. molten sodium) in a liquid metal cooled nuclear reactor is done by a/an __________ pump.
A Electromagnetic
B Axial flow
C Diaphragm
D Reciprocating
Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
A Burning
B Intensive oxidation
C Evaporation
D None of these
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
A 48
B 32
C 24
D 18
If 2 kg of metal, of which 1/3 is zine and the rest is copper , be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 17 : 43
B 13 : 42
C 19 : 43
D 15 : 42
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43

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