The nail diameter should not be more than(t = least thickness of the wooden member to be connected)

• A. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/57-360-1.png">
• B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/57-360-2.png">
• C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/57-360-3.png">
• D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/57-360-4.png">