Past paper of PPSC Post name= Assistant Director Engineering (Civil) Department: Gujranwala Development Authority No. of posts: 2 Post case number = 13-RE/2019 Test held on = 16/11/2019 Compiled by: Engr. Usman Iftikhar Note: Errors and omissions are accepted Construction Materials Hardest rock is: Diamond. Rock having highest crushing strength: Granite, slate, sandstone Rapid hardening…
