HomeEngineeringA hand-held device for optically reading bar codes on goods, labels & shelves is____________________? 351. A hand-held device for optically reading bar codes on goods, labels & shelves is____________________?By Admin / September 13, 2025 A. Wand B. Light pen C. Mouse D. Touch tablet ✅ The correct answer is option A.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin