6. Which one of the following statements is not correct in respect of setting of an inclined tunnel? A. Reference points are constructed at every 300 m B. The alignment is fixed from upper/lower apex point C. The level of the invert at the heading is marked by a tape D. None the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
7. Which one of the following methods is generally used for the layout of the muck-car tracks? A. The grass hopper method B. Passing track method C. The cherry picker D. All the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
8. The concentration of the dust particles of the size 0.5 to 5 microns adjacent to the working face should not be more than A. 200 particles/cm3 B. 250 particles/cm3 C. 300 particles/cm3 D. 450 particles/cm3 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
9. Circular section of tunnels is not suitable for A. Carrying water B. Non-cohesive soils C. Tunnels driven by shield method D. Placement of concrete lining Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
10. The most commonly adopted pattern of cut holes is: A. Horizontal wedge cut B. Pyramid cut C. Fan cut D. All the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
