जल में घुली हुई ऑक्सीजन 5 दिनों के बाद 9 mg/1 से 3 mg/1 हो जाती है। यदि तनुकरण कारक 3 ∶ 50 है तो विलयन का BOD₅ (mg/l में) क्या होगा?

-> JKSSB Junior Engineer recruitment exam date 2025 for Civil and Electrical Engineering has been released on its official website. 

-> JKSSB JE exam will be conducted on 10th August (Civil), and on 27th July 2025 (Electrical).

-> JKSSB JE recruitment 2025 notification has been released for Civil Engineering. 

-> A total of 508 vacancies has been announced for JKSSB JE Civil Engineering recruitment 2025. 

-> JKSSB JE Online Application form will be activated from18th May 2025 to 16th June 2025 

-> Candidates who are preparing for JKSSB JE can download syllabus PDF from official website of JKSSB.

-> The candidates can check the JKSSB JE Previous Year Papers to understand the difficulty level of the exam.

-> Candidates also attempt the JKSSB JE Mock Test which gives you an experience of the actual exam.