If ‘D’ is the diameter of tunnel in meters, then the thickness of lining in mm, as per the empirical formula is given by_________________?

If ‘D’ is the diameter of tunnel in meters, then the thickness of

1.	If ‘D’ is the diameter of tunnel in meters, then the thickness of lining in mm, as per the empirical formula is given by_________________?
A.	42 D
B.	82 D
C.	104 D
D.	124 D
Answer» C. 104 D

Discussion

No Comment Found

Related MCQs

Which one of the following is a component of a shield for tunnelling ?
Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?
Which one of the following tunnelling methods is used for laying under ground sewers ?
Which of the following methods of tunneling is used for long tunnels at great depths ?
Which of the following lining material is useful for shield driven tunnels in sub aqueous regions ?
Which of the following is not a component of the shield ?
Which of the following are percussion drills ?_x005F_x000D_(i) shot drill_x005F_x000D_(ii) diamond drill_x005F_x000D_(iii) wagon drill_x005F_x000D_(iv) churn drill_x005F_x000D_select correct answer?
What is the correct sequence of the following events of construction of a shaft in rock ?_x005F_x000D_1. drilling and blasting_x005F_x000D_2. timbering_x005F_x000D_3. pumping_x005F_x000D_4. mucking_x005F_x000D_Select the correct answer using the codes given below Codes?
What is the correct sequence of the following events in rock tunnelling?_x005F_x000D_1. marking tunnel profile_x005F_x000D_2. loading explosives and blasting_x005F_x000D_3. checking misfire_x005F_x000D_4. mucking_x005F_x000D_5. removing foul gas_x005F_x000D_6. setting up and drilling_x005F_x000D_7. guniting_x005F_x000D_Select the correct answer using the codes given below Codes ?
The needle beam method of tunneling______________?_x005F_x000D_(i) is suitable for soils in which roof can stand for few minutes without support_x005F_x000D_(ii) is suitable for brick lining_x005F_x000D_(iii) is suitable for concrete lining_x005F_x000D_(iv) requires large number of trench jacks_x005F_x000D_select the answer?

If ‘D’ is the diameter of tunnel in meters, then the thickness of lining in mm, as per the empirical formula is given by_________________?

Discussion

No Comment Found

Related MCQs

Reply to Comment