Tiêu đề SES 2021 PAPER 2 MECHANICAL ENGINEERING_A.pdf ✅

Question Booklet No. SET A S72E-2021 ÂýàÙ- ̃æ /Question Paper-II Mechanical Engineering (Paper Code : 210504) ÂÚUèÿææ ·ð¤‹1⁄4ýæŠØÿæ ·¤è ×ôãUÚU Seal of Superintendent of Examination Centre ßèÿæ·¤ ·ð¤ ãUSÌæÿæÚU / Signature of Invigilator ßèÿæ·¤ ·ð¤ Ùæ× / Name of Invigilator ÂéçSÌ·¤æ ×ð ́ ÂëcÆUô ́ ·¤è â¢BØæ Number of Pages in Booklet ÂéçSÌ·¤æ ×ð ́ ÂýàÙô ́ ·¤è â¢BØæ Number of Questions in Booklet â×Ø Time Âê‡ææZ·¤ Total Marks ÂÚUèÿææçÍüØô ́ mæÚUæ ·ð¤ßÜ ·¤æÜð/ÙèÜð ÕæòÜ Âæò§‡ÅU ÂðÙ âð ÖÚUæ ÁæØÐ To be filled by Candidates by Black/Blue Ball Point Pen only. ƒæôá‡ææ Ñ ×ñ ́Ùð Ùè¿ð çΰ »° çÙÎðüàæô ́ ·¤ô ¥‘ÀUè ÌÚUãU ÂÉ ̧U·¤ÚU â×Ûæ çÜ° ãñ ́UÐ Declaration: I have read and understood the instructions given below. ¥TØÍèü ·ð¤ ãUSÌæÿæÚU / Signature of Candidate çÎÙ梷¤ / Date ¥TØÍèü ·¤æ Ùæ× / Name of Candidate â×Ø / Time ¥Ùé·ý¤×梷¤ Roll No. 44 150 21⁄2 ƒæ¢ÅðU / Hours 300 ÂÚUèÿææçÍüØô ́ ·ð¤ çÜ° çÙÎðüàæ v. (·¤) ¥TØçÍüØô ́ ·¤ô ¥ô.°×.¥æÚU. ©UîæÚU-àæèÅU ×ð ́ ÂýçßçcÅUØæ¡ Áñâð ÚUôÜ Ù¢., ÂðÂÚU ·¤ôÇU ¥æçÎ ÖÚUÙð ·ð¤ çÜ° ¥çÌçÚU@Ì â×Ø çÎØæ »Øæ ãñUÐ (1) §â çΰ »° â×Ø ·ð¤ Âà¿æÌ÷ ¥TØçÍüØô ́ ·¤ô ÂýàÙ-ÂéçSÌ·¤æ Îè Áæ°»èÐ ¥æ·¤ô çÙ`ÙæÙéâæÚU ·¤æØüßæãUè ·¤ÚUÙè ãñU Ñ— (i) ÂýàÙ-ÂéçSÌ·¤æ ×ð ́ ¿æÚUô ́ ÌÚUȤ âð Ü»è ãéU§ü ·¤æ»Á ·¤è âèÜ Îð1 Üð ́Ð çÕÙæ ·¤æ»Á ·¤è âèÜ Ü»è ¥Íßæ 1éÜè ãéU§ü ÂýàÙ-ÂéçSÌ·¤æ Sßè·¤æÚU Ù ·¤Úð ́UÐ (ii) ÂýàÙ-ÂéçSÌ·¤æ ·ð¤ ÂëcÆUô ́ ÌÍæ ÂýàÙô ́ ·¤è â¢BØæ ·¤æ ç×ÜæÙ §â ×é1ÂëcÆU ÂÚU Îè »§ü â¢BØæ¥ô ́ âð ·¤ÚU Üð ́Ð ØçÎ §â×ð ́ ·¤ô§ü çÖ‹ÙÌæ ãUô Ìô ·ë¤ÂØæ ÂýàÙ-ÂéçSÌ·¤æ ̈·¤æÜ ÕÎÜ Üð ́Ð (») ÂÚUèÿææ ÂýæÚU`Ö ãUôÙð ·¤è §â ¥ßçÏ ×ð ́ ©UîæÚU ¥¢ç·¤Ì ·¤ÚUÙð ·¤è ¥Ùé×çÌ ÙãUè ́ ãñUÐ ©UîæÚU ¥¢ç·¤Ì ·¤ÚUÙð ·ð¤ çÜ° Îô ƒæ‡ÅðU Ìèâ ç×ÙÅU ·¤æ â×Ø ¥õÚU çÎØæ Áæ°»æÐ w. (·¤) Îè »§ü OMR ©UîæÚU-àæèÅU ×ð ́ ·¤æÜð/ÙèÜð ÕæòÜ Âæò§‡ÅU ÂðÙ âð ¥æßðÎÙ ·ý¤., ÚUôÜ Ù¢., ÂÚUèÿææ ·ð¤‹1⁄4ý ·¤æ ·ý¤×梷¤, ÂÚUèÿææ ·¤è çÌçÍ, ÂðÂÚU ·¤ôÇU, ÂýàÙ ÂéçSÌ·¤æ ·¤è ·ý¤× â¢BØæ, ÂýàÙ-ÂéçSÌ·¤æ ·¤æ âðÅU (A, B, C ¥Íßæ D) ÌÍæ ãUSÌæÿæÚU ¥¢ç·¤Ì ·¤Úð ́UÐ (1) OMR ©UîæÚU-àæèÅU ×ð ́ ÚUôÜ Ù¢., ÂýàÙ-ÂéçSÌ·¤æ âðÅU, ÂðÂÚU ·¤ôÇU, ·ð¤‹1⁄4ý ·¤ôÇU ¥æçÎ â¢Õ¢çÏÌ »ôÜð ·¤ô ·¤æÜð/ÙèÜð ÕæòÜ Âæò§‡ÅU ÂðÙ âð ·¤æÜæ ·¤Úð ́UÐ (») OMR ©UîæÚU-àæèÅU ×ð ́ ·ð¤ßÜ ÂýàÙô ́ ·ð¤ ©UîæÚU ¥¢ç·¤Ì ·¤ÚUÙð ãñ ́UÐ §â â`Õ‹Ï ×ð ́ çÙÎðüàæ OMR ©UîæÚU-àæèÅU ·ð¤ ÂèÀðU çΰ »° ãñ ́UÐ x. ¥æòçŒÅU·¤Ü ×æ·ü¤ ÚUèÇUÚU (OMR) ×àæèÙ ©UîæÚU-àæèÅU ·¤è ·¤æÜð/ÙèÜð ÕæòÜ Âæò§‡ÅU ÂðÙ âð ÖÚðU »ôÜð ·¤è ÂýçßçcÅUØô ́ ·¤ô ÂÉ ̧U·¤ÚU ÂÚUèÿææÈ¤Ü ÌñØæÚU ·¤ÚUÌè ãñU, ¥ÌÑ ÂÚUèÿææçÍüØô ́ ·¤ô â¿ðÌ ç·¤Øæ ÁæÌæ ãñU ç·¤ ßð ©UîæÚU-àæèÅU ×ð ́ ÂýçßçcÅUØô ́ ·¤ô ÖÚUÌð â×Ø ÂêÚUè-ÂêÚUè âæßÏæÙè ÕÚUÌð ́ °ß¢ ·¤ô§ü ̃æéçÅU Ù ·¤Úð ́UÐ y. OMR ©UîæÚU-àæèÅU ×ð ́ çÙÏæüçÚUÌ SÍæÙ ·ð¤ ¥çÌçÚU@Ì ·¤ãUè ́ ÂÚU Öè ¥ÂÙæ Ùæ×, ¥Ùé·ý¤×梷¤, ·¤ô§ü Ïæç×ü·¤ ç¿‹ãU, ·¤ô§ü ÂãU¿æÙ ç¿‹ãU Øæ ©UîæÚU ·ð¤ ¥çÌçÚU@Ì ¥‹Ø ·¤ô§ü ¥ÿæÚU, àæμÎ, ßæ@Ø Øæ ·¤ô§ü Ïæç×ü·¤ àæμÎ, ßæ@Ø ÙãUè ́ çÜ1æ ÁæÙæ ¿æçãU°Ð OMR ©UîæÚU-àæèÅU ×ð ́ ÙèÜð ß ·¤æÜð ÕæòÜ Â構ÅU ÂðÙ ·ð¤ ¥çÌçÚU@Ì ¥‹Ø ç·¤âè Öè Ú¢U» ¥Íßæ Âý·¤æÚU ·ð¤ ÂðÙ Áñâð S·ð¤¿ ÂðÙ, ãUæ§Üæò§ÅUÚU, ‚ÜèÅUÚU ÂðÙ... §ˆØæçÎ ·¤æ ÂýØô» Ù ·¤Úð ́UÐ °ðâæ ·¤ÚUÙð ÂÚU â¢Õ¢çÏÌ ¥TØÍèü ·¤ô ¥ÙãüU ƒæôçáÌ ç·¤Øæ Áæ°»æÐ z. ç·¤âè Öè Âý·¤æÚU ·ð¤ ·ñ¤Ü·é¤ÜðÅUÚU, Üæò» ÅðUÕÜ, ×ôÕæ§Ü ȤôÙ °ß¢ S×æÅüU ßæ¿ ¥æçÎ ·¤æ ÂýØô» ßçÁüÌ ãñUÐ {. ÚU$Ȥ ·¤æØü §â ÂýàÙ-ÂéçSÌ·¤æ ·ð¤ çÙÏæüçÚUÌ 1æÜè ÂëcÆUô ́ ×ð ́ ¥Íßæ ¥‹Ø ÂëcÆUô ́ ×ð ́ çÙÏæüçÚUÌ Á»ãUô ́ ÂÚU ·¤Úð ́UÐ ¥çÌçÚU@Ì ÂëcÆU ÙãUè ́ çΰ ÁæØð ́»ðÐ (©UîæÚU ¥¢ç·¤Ì ·¤ÚUÙð ·ð¤ çÜ° ·ë¤ÂØæ OMR ©UîæÚU-àæèÅU ·ð¤ ÂèÀðU çΰ »° çÙÎðüàæô ́ ·¤ô Îð1ð ́) INSTRUCTIONS FOR CANDIDATES 1. (a) Candidates are allowed time to fill up the basic information in the OMR sheet such as Roll No., Paper Code etc. (b) After this, question booklet will be given to the candidates. They are required to do the following : (i) Examine the booklet and to see that all paper seals at the edge of the booklet are intact. Do not accept the question booklet if sticker seals are not intact. (ii) Tally the number of pages along with no. of questions printed on cover of the booklet. In case of any discrepancy please get the booklet changed immediately. (c) Candidates are not permitted to mark answer in the Answer- Sheet in this time. Two hours Thirty Minutes more will be given to mark the answers. 2. (a) On OMR Answer-Sheet provided to you, write/put Application No., Roll No., Center Code, Date of Exam., Paper Code, Question Booklet No., Set of Question Booklet (A, B, C or D) and Signature by Black/Blue Ball Point Pen. (b) On OMR Answer-Sheet fill in your Roll No., Question Booklet Set, Paper Code and Centre Code etc. by darkening corresponding circle with Black/Blue Ball Point Pen. (c) On OMR Answer-Sheet only the answers to questions are to be marked. The instructions for this are available on the back side of OMR Answer-Sheet. 3. Optical Mark Reader (OMR) machine prepares the result by reading the entries made in the circle with the Black/Blue Ball Point Pen on the Answer-Sheet, hence the candidates must be extremely careful in marking these entries and must not commit errors. 4. Name, Roll No. or Identification mark/sign or any character, word or sentence except answer should not be written/mark anywhere on OMR Answer-Sheet other than the specified space. In OMR Answer-Sheet use only Blue / Black Ball point pen and should not use other colour or sketch pen, highlighter, glitter pen etc. If so, such candidate shall be disqualified. 5. Use of any Calculator, Log Table, Mobile Phone and Smart Watch etc. is prohibited 6. Rough work should be done on the blank pages or in the space provided for this on each page of this question booklet. Extra paper will not be provided. (For instructions regarding marking the answers please see the instructions given on back side of OMR Answer-Sheet.) Set-A CO-Mechanical


Set-A [ A-4 ] CO-Mechanical 5. During inelastic collision of two particles, which one of the following is conserved? (A) Total linear momentum only (B) Total kinetic energy only (C) Both linear momentum and kinetic energy (D) Neither linear momentum nor kinetic energy 6. Two balls of the same size but different weight fall from the same height. Neglecting the air resistance, which ball reaches the earth’s surface first? (A) Lighter one (B) Heavier one (C) Both at same time (D) Cannot be determined 7. In Electron Beam Welding the penetration depth of the weld _________ as the welding speed increases. (A) increases (B) decreases (C) remains unchanged (D) quickly increases then decreases 8. The forward slip in rolling can be defined as : (A) f r r f v v v v − − (B) f r f r v v v v − + (C) f r f v v v − (D) f r r v v v −