Engineering - Civil Enginnering

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19.

Detailed plotting is generally done by                        
A. radiation B. traversing
C. resection D. all of the above



20.

Direct method of contouring is                        
A. a quick method B. adopted for large surveys only
C. most accurate method D. suitable for hilly terrains



21.

Dumpy level is most suitable when                        
A. the instrument is to be shifted frequently B. fly levelling is being done over long distance
C. many readings are to be taken from a single setting of the instrument D. all of the above




22.

During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is                        
A. 4 chains B. 6 chains
C. 120 m D. 180m



23.

For a line AB                        
A. the forebearing of AB and back bearing of AB differ by 180° B. the forebearing of AB and back bearing of BA differ by 180°
C. both (a) and (b) are correct. D. none is correct



24.

For a well-conditioned triangle, no angle should be less than                        
A. 20° B. 30°
C. 45° D. 60°



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