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Question
A bolt designated as Hex bolt M 16 × 70 NL will have 
A.
Diameter of 16 mm
B.
Diameter of 70 mm
C.
Length of 16 mm
D.
Cross-sectional area of 16 × 70 cm2
Answer ( Option A)

Diameter of 16 mm

Solution

Hex bolt designation M16 × 70 NL means 16 mm nominal diameter of Bolt and 70 represents the length of bolt.

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