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| 日期 | 订阅者增长 | 提及 | 频道 | |
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频道帖子
| 2 | https://youtu.be/kFNCVHP3Hw0?si=uZ6HX7JZuxM3-fLt | 320 |
| 3 | Edit, Sign and Share PDF files on the go. Download the Acrobat Reader app: https://adobeacrobat.app.link/Mhhs4GmNsxb | 600 |
| 4 | Q.60 Determine the elevation for 30˚ using 5.00” sine bar. [RRB JE 2019] | 1 128 |
| 5 | Q.59 What is meant by HVOF in metal coating? [RRB JE 2019]
| 1 066 |
| 6 | Q.58 In a vernier calliper, the main scale reads in mm with a least count of 0.1 mm .10 division on the vernier correspond to 9 divisions of the main scale.Find the least count of the calliper | 913 |
| 7 |
Q.57 __________ is a group of fine holes on the surface of the weld caused by gas entrapment. [RRB JE 2019]
| 836 |
| 8 | Q.56 A cutting tool can never have its [RRB JE 2019] | 675 |
| 9 | Q.55 Which of the following materials has nearly zero coefficient of expansion? [RRB JE 2019] | 691 |
| 10 | Q.54 Find the tool life equation, if a tool life of 80 min is obtained at a cutting speed of 30 m/min and 8 min at 60 m/min. [RRB JE 2019] | 644 |
| 11 | Q.53 Corundum is composed of about 85 percent of [RRB JE 2019 | 525 |
| 12 | Q.52 Which of the following gases is NOT used as shielding gas in arc welding? [RRB JE 2019] | 514 |
| 13 | Q.51 The length of the slot weld can be obtained from the ratio of [RRB JE 2019]
| 522 |
| 14 | Q.50 How long should a steel component be heat treated before nitriding? [RRB JE 2019]
| 560 |
| 15 | Q.49 Grinding is used for [RRB JE 2019] | 557 |
| 16 | Q.48 __________ is fitted on the top of cross slide and is used to support the tool post and the cutting tool. [RRB JE 2019]
| 562 |
| 17 | Q.47 The largest diameter of work that can be carried between the centers of a lathe is known as [RRB JE 2019] | 519 |
| 18 | Q.46 _______ consists of a mixture of clay, feldspar, flint and frit in varying proportions. [RRB JE 2019] | 551 |
| 19 | Q.45 Lathe bed is made up of [RRB JE 2019] | 657 |
| 20 | Q.44 Which of the following properties is desirable in parts subjected to shock and impact loads? [RRB JE 2019]
| 614 |
