In a multi plate clutch, number of pairs of contact surfaces (n) = __

1.	In a multi plate clutch, number of pairs of contact surfaces (n) = ________
A.	n1 – n2 + 1
B.	n1 – n2 – 1
C.	n1 + n2 – 1
D.	n1 + n2 + 1
Answer» D. n1 + n2 + 1

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In a multi plate clutch, number of pairs of contact surfaces (n) = ________

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