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MINING MCQ EXAM PREPARATION

Mining Exam's Preparation for CIL, GATE Mining and Other competitive exams related to mining engineering and surveying.

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mcqexamprepration007

mcqexamprepration007

June 3, 2023, 21:11
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▸ The swing angle is approximately 90° for simple side casting and extended bench method,

▸but it may vary from 45° to 180° depending on the working method

▸ up to 180° swing in pull back method and

‣ 45° to 90° swing while working in vertical tandem

► Lower the swing angle, lower will be the value of actual cycle time, generally it varies from 55 sec to 65 sec for simple side casting

mcqexamprepration007

mcqexamprepration007

June 3, 2023, 21:11
13373

Dragline cycle time

Dragline working cycle consists of six components:

1. Digging through the blasted bench material (or in-situ face) loading the bucket

II. Hoisting the bucket

Forward swing of the loaded bucket over the dumping area

IV. Dumping of the bucket load

V. Return swing of the empty bucket to the face area

VI. Lowering the bucket at bench floor level to start the next

mcqexamprepration007

June 3, 2023, 21:10
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Dragline:-

Dragline is a cyclic/discontinuous equipment used for handling of last overburden bench (other benches are excavated by shovel dumper combination)just above the coal seam (last interburden bench above the deep most coal seam in case of multi seam deposit.

A dragline, in its normal operation sits on the top of a bench and excavates below its crawler level. It transports and dumps its own load through direct casting.

Working gradient: 1in 6 to 1 in 8 don't march dragline on a gradient of more than 10 degree.

Operating voltage: 6.6 kv

Walking speed-0.2 to 0.4 km/hr

Can not marched from one mine to another.

Life approx30 to 40 years

Common size of dragline-10/70,15/90, 20/90, 24/96 (bucket capacity, boom length)

Cycle time- 55 sec to 65 sec

mcqexamprepration007

June 2, 2023, 13:43
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📢 Notice: Merit List and Candidature Cancellation for NCL Mining Sirdar T&S Gr. C (Employment Notification No. 1111 Dated: 27.11.2022)

We hereby inform all applicants that the Merit List for Provisional Appointment and the List of Candidates whose candidature has been cancelled for the Post of Mining Sirdar T&S Gr. C (Employment Notification No. 1111 Dated: 27.11.2022) is now available.

📑 To view the Notice, please click here: [Notice](https://www.nclcil.in/Content/nclcil.in/Document/941Notice%20no%20351.pdf)

📄 For Annexure-‘A,’ click here: [Annexure-A](https://www.nclcil.in/Content/nclcil.in/Document/582Annexure-A.pdf)

📄 For Annexure-‘B,’ click here: [Annexure-B](https://www.nclcil.in/Content/nclcil.in/Document/212Annexure-B.pdf)

For further details and information, kindly refer to the provided links. Please note that this information is specific to the mentioned employment notification.

Best regards,
Northern Coalfield Limited

mcqexamprepration007

June 1, 2023, 21:03
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📢 NOTICE: POSTPONEMENT OF WRITTEN TEST 📢

Dear Applicants,

We regret to inform you that the written test for the recruitment to the post of Mining Sirdar T&S Grade-C in SECL (South Eastern Coalfields Limited) has been postponed.

The new schedule for the written test will be announced shortly, and all applicants are requested to stay updated through our official website and other communication channels.

For more details regarding the postponement and the revised examination date, please refer to the official notice provided here: [Download Notice](http://www.secl-cil.in/writereaddata/Notice%209347%20dated%2001.06.2023.pdf)

We apologize for any inconvenience caused and appreciate your understanding. We are committed to ensuring a fair and transparent selection process, and your cooperation is highly valued.

Thank you.

SECL Recruitment Committee

mcqexamprepration007

June 1, 2023, 13:34
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Notice - Revised Final Answer Key and Score Card for the Computer Based Test held on 19.01.2023 for selection to the post of Mining Sirdar T&S Gr. C.

Notice click here https://www.nclcil.in/Content/nclcil.in/Document/331Notice%20349%20dt.%2031.05.23.pdf

Revised Final Answer Key (Mining Sirdar T & S Grade- C) click here https://www.nclcil.in/Content/nclcil.in/Document/924Revised%20Final%20Answer%20Key_310523.pdf

Link for viewing revised Score Card click here https://cdn.digialm.com//EForms/configuredHtml/1258/79961/login.html