Survey - Survey In Civil Engineering objective questions and answers

6.  In plane table survey, the instrument used to measure horizontal and vertical distance directly is known as

   A. Plane alidade

   B. Telescopic alidade

   C. Tacheometer

   D. Clinometer

7.  And angle between the inclined line of sight and horizontal is called

   A. Direct angle

   B. Vertical angle

   C. Horizontal angle

   D. Deflection angle

8.  The horizontal angle between the true meridian and a magnetic meridian is known as

   A. True bearing

   B. Dip

   C. Local attraction

   D. Magnetic declination

9.  When the measure length is less than the actual length, the error is known as

   A. Positive error

   B. Negative error

   C. Compensating error

   D. Instrumental error

10.  An imaginary line joining the point of intersection of the cross hairs of the diaphragm and the optical centre of the object glass, is known as

   A. Fundamental line

   B. Axis of telescope

   C. Axis of level tube

   D. Line of collimation

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