@⇒ Tunnel Engineering ⇒ Civil Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

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Q1.	Circular section of tunnels is not suitable for
A.	carrying water [Wrong Answer]
B.	non-cohesive soils [Wrong Answer]
C.	tunnels driven by shield method [Wrong Answer]
D.	placement of concrete lining [Correct Answer]
View Answer 29 -6 Explanation:- Answer : D Discuss it below : Click here for more comments


Q2.	A good blast with a good yield is obtained if the cut hole is
A.	normal to face [Wrong Answer]
B.	inclined at 45° to the face [Correct Answer]
C.	inclined at 15° to the face [Wrong Answer]
D.	inclined at 30° to the face [Wrong Answer]
View Answer 18 -3 Explanation:- Answer : B Discuss it below : Click here for more comments


Q3.	As compared to a single free face, if a charge of explosive is placed equidistant from two faces, then the yield
A.	remains same [Wrong Answer]
B.	decreases [Wrong Answer]
C.	increases by 2.25 times [Correct Answer]
D.	increases by 3.5 times [Wrong Answer]
View Answer 17 -1 Explanation:- Answer : C Discuss it below : Click here for more comments


Q4.	Drifters can be used to drill
A.	only up holes [Wrong Answer]
B.	only down holes [Wrong Answer]
C.	horizontal or up holes [Wrong Answer]
D.	horizontal, down or up holes [Correct Answer]
View Answer 15 -3 Explanation:- Answer : D Discuss it below : Click here for more comments


Q5.	If 'N' is the number of shafts used, then the total number of feces available for attacking the excavation and construction in tunnels are
A.	2N [Wrong Answer]
B.	N + 2 [Wrong Answer]
C.	2 N + 1 [Wrong Answer]
D.	2 N + 2 [Correct Answer]
View Answer 19 -3 Explanation:- Answer : D Discuss it below : Click here for more comments

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