The correction to be applied to each 30 m chain for a line measured along a slope of ? is

Related MCQs

• The length of survey line measured with a 20 m chain was found to be 327 m. If the chain was 3cm too long. Calculate the true length of the line.
• When (h) is the difference in heights between the extremities of a chain length (l), then the correction for slope required is
• The correction to the measured length will be negative when the chain is held on the ground sloping upwards.
• In order to fix up the directions of the survey lines in the compass survey, the horizontal angle between the survey line and a fixed line of reference is measured. This fixed line reference is the magnetic meridian.
• An angle measured clockwise from the proceeding survey line to the following survey line is called
• The length of a chain is measured from
• When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be
• If a chain is used at a temperature at which it was calibrated, the error in measured length is positive.
• When the length of chain used in measuring distance is shorter than the standard length, the error in measured distance will be compensating error.
• The error in measured length due to sag of chain or tape is known as