HomeEngineeringWork done is said to be zero, when 18569. Work done is said to be zero, whenBy Admin / September 14, 2025 [A]. some force acts on a body, but displacement is zero [B]. no force acts on a body but some displacement takes place [C]. either (a) or (b) [D]. none of the above ✅ The correct answer is option C.
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