Gas OilRecruitment: NNPC to hold CBT for shortlisted candidates June 1By Abisola ADENUGAMay 24, 2019May 24, 2019 by By Abisola ADENUGAMay 24, 2019May 24, 20190398 The Nigerian National Petroleum Corporation (NNPC) says all shortlisted candidates for its recruitment will sit for Computer Based Testing (CBT) on Saturday, June 1, 2019