Which of the following are percussion drills?
(i) Shot drill
(ii) Diamond drill
(iii) Wagon drill
(iv) Churn drill
(i) Shot drill
(ii) Diamond drill
(iii) Wagon drill
(iv) Churn drill
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Civil Engineering · all questionsTunnel Engineering
Tunnel Engineering
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Which of the following lining material is useful for shield driven tunnels in sub aqueous regions?
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Which of the following methods of tunneling is used for long tunnels at great depths?
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Drifters can be used to drill
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The tunnels, the artificial underground passages are constructed for:
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Which one of the following statements is not correct in respect of setting of an inclined tunnel?
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Which one of the following methods is generally used for the layout of the muck-car tracks?
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The concentration of the dust particles of the size 0.5 to 5 microns adjacent to the working face should not be more than
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Circular section of tunnels is not suitable for
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The most commonly adopted pattern of cut holes is:
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Which one of the following methods of tunnelling does not require the use of time bearing?
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To attain the required shape of the tunnel section, we use:
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The most suitable soil for compressed air tunnelling is
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For full face method, the excavation to be done is generally divided into
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Which one of the following linings is suitable for shield driven tunnels particularly in the sub-aqueous regions?
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"Consider the following situations.
1.Soil is soft.
2.Volume of existing surface traffic on the alignment is heavy.
3.Track is at a deeper level.
4.Water table is high.
In the construction of Metro Railways, “Cut and Cover” method of construction is suitable in situations listed at "
1.Soil is soft.
2.Volume of existing surface traffic on the alignment is heavy.
3.Track is at a deeper level.
4.Water table is high.
In the construction of Metro Railways, “Cut and Cover” method of construction is suitable in situations listed at "
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For tunnels exceeding 300 m in length, the grade should be provided below
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In case of railways,
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Which one of the following tunneling methods is used for laying underground sewers?
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In compressed air tunnelling, the volume of free air provided is
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