Points of arrest for iron correspond to

Points of arrest for iron correspond to Correct Answer Stages at which allotropic forms change

Points of arrest for iron correspond to Stages at which allotropic forms change
Bissoy MCQ

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For the allotropic forms of iron, the points of arrest are
Two circular dials of exactly the same size are mounted on a wall side by side in such a way that their perimeters touch at one point. Dial 1, which is on the left , spins clockwise around its center , and dial 2 , which is on the right spins counter clockwise around its center . (Assume that there is no friction at the point of contact between the dials.) Each dial is marked on its perimeter at three points that are at equale distances around the points arked ondial 1 are N, O, and P and the points marked on dial 2 are X, Y, and Z. If points O and Z are just meeting at the point of contact between the dials , and if dial 1 spins at the same speed as dial 2, what is the smallest number of revolutions of each dial that will bring O and Z together again?
If 'basis points' are defined so that 1 percent equal to 100 basis points,than 82.5 percent is how many basis points greater than 62.5percent ?
If "basis points" are defined so that 1 percent is equal to 100 basis points, then 82.5 percent is how many basis points greater than 62.5 percent?
Doctors encourage their patients not to get upset about 'trivial' matters. (Match the best alternative that correspond to the quotations word)
Municipal taxes are based on an "estimate of the value" of one's property. (Match the best alternative that correspond to the quotations word)
Library cards will "expire" when they are not used. (Match the best alternative that correspond to the quotations word)
The line is busy; someone "should be using" the telephone now. (Match the best alternative that correspond to the quotations word)
You "had better to hurry" if you don't want to miss the bus. (Match the best alternative that correspond to the quotations word)
Tareq was a 'Bright' student. (Match the best alternative that correspond to the quotations word)