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For measuring the hardness of the cementite and ferrite in a pearlite colony individually, the Knoop hardness measurement is the best method.

For measuring the hardness of the cementite and ferrite in a pearlite colony individually, the Knoop hardness measurement is the best method. Correct Answer True

For cementite and ferrite in the pearlite colony, the distance between each respective phase is in order of few microns. So microhardness testing is the best possible way to measure the hardness of these different phases.

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Select the correct answer:
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Statement : Residents from Model Colony coming under North Ward of City X have complained to the Ward Officer that for last three days the tap water in the ward is contaminated and no action is being initiated by municipal staff.

Courses of Action :
I. The Ward Officer of North Ward should initiate action against residents who have lodged complaints against municipal staff.
II. The Ward Officer should ask his junior officer to visit Model Colony to assess the actual condition of water with his staff and to get samples of water tested from laboratories.
III. The Ward Officer should ask Ward Engineer to check water installations and pipelines in the Model Colony area.
The ratio of number of children, women and men in colony is 6 : 4 : 3 respectively and the colony has at least 200 members. What will be minimum number of children in the colony?
The ratio of number of children, women and men in colony is 6 : 4 : 3 respectively and the colony has at least 200 members. What could be the minimum number of women in the colony?