Chemical Engineering
Q What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls ?
  • A A. 0.5
  • B B. 1.0
  • C C. 2.76
  • D D. 0.66
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Word of the Day
28 Jul
Fragile
(of an object) easily broken or damaged.
Ω†Ψ§Ψ²Ϊ©ΨŒ کاغذی، Ψ’Ψ³Ψ§Ω†ΫŒ Ψ³Ϋ’ ٹوٹ Ψ¬Ψ§Ω†ΫŒΩˆΨ§Ω„Ψ§

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Archaeology & Tourism Department - 20191Archaeology & Tourism Department - 20191Assistant BOR1Assistant Controller-Morning 23-11-2024 (2024)1Assistant Director (HR and ADMIN) BS-17 (2025)1Assistant Director ASF (BS-17) Batch 01 (05-08-2024) (2024)1Assistant Director Fisheries (BS-17) (1-06-2025) (2025)1Assistant PESSI Held on 19-10-2025 (2025)2Assistant Sub Inspector BPS-11 (BATCH-1) 08-04-2025 (2025)1Assistant Superintendent / Deputy Superintendent Jail (GK) (2025)1Assistant) PPSC 25-08-2024 (2024)2Bio Medical Engineer (Labour & Resource) Held on 10-08-2024) (2024)3Chief Officer/Municipal Officer (Regulations) Local Government & Community Develop1Chief Officer/Municipal Officer (Regulations) Local Government & Community Development (Held on 11-08-2024) (2024)1Clubbed (27-04-2025) (2025)1Clubbed Case 74 – Assistant (BS-16) Various Departments – 2024 (2024)3Clubbed Case-76 (Evening) Held on 08-06-2024 (2024)2Clubbed Case-85 (Morning) Held on 08-06-2024 (2024)3Clubbed Case-91(Morning) Punjab Special Education Department (10-08-2024) (2024)2Clubbed Case-97 (Evening) Held on 13-07-2024 (2024)3Clubbed Case-Various Post(Labour Inspector/Officer2Clubbes Case 98 – Various Posts -2024 (2024)1Concept Academy Notes111Data Entry Operator (BS-12) (31-05-2025) (2025)2Educator (BS-16) Punjab Special Education Held on 13-07-2024 (2024)1FIA - 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