HomeEngineeringIn a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) 11401. In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction)By Admin / September 8, 2025 P = W tan(α – φ) P = W tan(α + φ) P = W tan(φ – α) P = W cos(α + φ) ✅ The correct answer is option B.
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