Question
Download Solution PDFकैल्शियम और सोडियम किस प्रकार का स्नेहक है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFस्पष्टीकरण:
- एक स्नेहक एक पदार्थ है जो पारस्परिक संपर्क में सतहों के बीच घर्षण को कम करने के लिए उपयोग किया जाता है।
- यह सतहों की अनियमितताओं (घर्षण) के इंटरलॉकिंग को कम करेगा।
- घर्षण को कम करने के गुणधर्म को चिकनापन (फिसलन) के रूप में जाना जाता है।
- उन्हें इस प्रकार वर्गीकृत किया जा सकता है:
- तरल स्नेहक: खनिज तेल (पैराफिन, नेफ़थलीन, और सुगंधित), वसायुक्त और वनस्पति तेल (पशु तेल, लंबा, लॉर्ड, अरंडी का तेल, जैतून का तेल, राल तेल, आदि), सिंथेटिक तेल
- अर्द्ध तरल स्नेहक: ग्रीस, कैल्शियम, सोडियम, आदि
- ठोस स्नेहक: ग्रेफाइट, साबुन-पत्थर, टाल्क, फ्रेंच चाक, आदि।
Last updated on Jul 2, 2025
-> RRB ALP CBT 2 Result 2025 has been released on 1st July at rrb.digialm.com.
-> RRB ALP Exam Date OUT. Railway Recruitment Board has scheduled the RRB ALP Computer-based exam for 15th July 2025. Candidates can check out the Exam schedule PDF in the article.
> TNPSC Group 4 Hall Ticket has been published by the Tamil Nadu Public Service Commission
-> Railway Recruitment Board activated the RRB ALP application form 2025 correction link, candidates can make the correction in the application form till 31st May 2025.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.
->The candidates must have passed 10th with ITI or Diploma to be eligible for this post.
->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.
-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways.
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