1.  compressive strength

2.  ductility

3.  carbon content

4.  hardness

4
Correct Answer :

ductility


Explanation :
No Explanation available for this question

1.  80% or more iron

2.  50% or more iron

3.  alloying elements like chromium, tungsten nickel and copper

4.  elements like phosphorus, sulfur and silicon in varying quantities

4
Correct Answer :

50\% or more iron


Explanation :
No Explanation available for this question

1.  made by adding carbon in steel

2.  refined from cast iron

3.  an alloy of iron and carbon with varying quantities of phosphorus and sulfur

4.  extensively used for making cutting tools

4
Correct Answer :

an alloy of iron and carbon with varying quantities of phosphorus and sulfur


Explanation :
No Explanation available for this question

1.  malleable iron

2.  nodular iron

3.  spheroidal iron

4.  grey iron

4
Correct Answer :

malleable iron


Explanation :
No Explanation available for this question

1.  which are destroyed by burning

2.  which after their destruction are recycled to produce fresh steel

3.    which are deoxidized in the ladle with silicon and aluminum which after their destruction are recycled to produce fresh steel which are deoxidized in the ladle with silicon and aluminum in which carbon is completely burnt

4.  in which carbon is completely burnt

4
Correct Answer :

 

which are deoxidized in the ladle with silicon and aluminum

which after their destruction are recycled to produce fresh steel

which are deoxidized in the ladle with silicon and aluminum

in which carbon is completely burnt


Explanation :
No Explanation available for this question

1.  amount of carbon it contains

2.  the shape and distribution of the carbides in iron

3.  method of fabrication

4.  contents of alloying elements

4
Correct Answer :

the shape and distribution of the carbides in iron


Explanation :
No Explanation available for this question

1.  0.025%

2.  0.06%

3.  0.1%

4.  0.25%

4
Correct Answer :

0.025\%


Explanation :
No Explanation available for this question

1.  0.025%

2.  0.26%

3.  0.8%

4.   1.7%

4
Correct Answer :

1.7\%


Explanation :
No Explanation available for this question

1.  chromium and nickel

2.  sulphur, phosphorus, lead

3.  vanadium, aluminum

4.  tungsten, molybdenum, vanadium, chromium

4
Correct Answer :

chromium and nickel


Explanation :
No Explanation available for this question

1.  flywheel of steam engine

2.  cast iron pipes

3.  cycle chains

4.  gas turbine blades

4
Correct Answer :

gas turbine blades


Explanation :
No Explanation available for this question

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