Tunnel Engineering MCQs

A. Both A and R are true and R is the correct explanation of A.

B. Both A and R are true and R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

A. wagon drill, churn drill, shot drill

B. wagon drill, shot drill, churn drill

C. shot drill, churn drill, wagon drill

D. churn drill, wagon drill, shot drill

A. 2 m

B. 3 m

C. 4 m

D. 5 m

A. 6 mJ per second per m2 of face area

B. 6 m3 per minute per m2 of face area

C. 20 m3 per minute per m2 of face area

D. 6 m3 per hour per m2 of face area

A. propelling jacks

B. liner plate

C. hood

D. tail

A. 42 D

B. 82 D

C. 104 D

D. 124 D

A. soft grounds

B. rock

C. self supporting grounds

D. broken grounds

A. normal to face

B. inclined at 45° to the face

C. inclined at 15° to the face

D. inclined at 30° to the face

A. Army method

B. Needle beam method

C. Austrian method

D. English method

A. only up holes

B. only down holes

C. horizontal or up holes

D. horizor„al, down or up holes