A.White stain
B.Grey stain
C.Black stain
D.Brown stain
E.Pink stain
Related Mcqs:
- Dilute nitric acid applied to a clean fracture of wrought iron gives
- In wet process (strong sulphuric acid leaching) for the manufacture of orthophosphoric acid the dilute orthophoric acid (40%) is obtained from travelling pan vacuum filter. The dilute orthophosphoric acid (50%) is concentrated economically 75% orthophosphoric acid by using
- Which of the following form of iron is produced as a result of annealing of white cast iron?
- In a compression test the fracture in cast iron specimen would occur along
- Cast iron containing 6.6% carbon is
- For acid resistance cast iron should have silicon percentage of
- In halide torch test if there is leakage of refrigerant, the colour of flame with change to
- The consitituent which has a powerful softening effect on cast iron and its presence in cast iron reduces the ability of the iron to retain carbon in chemical combination, is
- What will be the colour of red rose when it is seen through green glass?
- White cast iron is produced
