HomeEngineeringThe effort required to lift a load W on a screw jack with helix angle a and angle of friction 2406. The effort required to lift a load W on a screw jack with helix angle a and angle of friction By Admin / September 7, 2025 A. Wtan(a + ) B. Wtan(a-) C. Wcos(a + ) D. Wsin(a + ) ✅ 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