Q. An offset is measured with an accuracy of 1 in 40. If the scale of plotting is 1 cm = 20 m, find the limiting length of the offset so that the displacement of the point on the paper from both sources of error may not exceed 0.25 mm?

View solution

Q. What triangles are generally preferred to get good results in plotting?

View solution

Q. The line must run through level ground as possible is the condition to be fulfilled by survey lines or survey stations.

View solution

Q. The main lines should form well-conditioned triangles is the condition to be fulfilled by survey lines or survey stations.

View solution

Q. Survey lines must be as few as possible is the condition to be fulfilled by survey lines or survey stations.

View solution

Q. As far as possible main survey lines should pass through the obstacles to get know how many obstacles present.

View solution

Q. How many kinds of obstacles of chaining are there?

View solution

Q. Which of the following is not one among the three major kinds of obstacles of chaining?

View solution

Q. Both ends of the lines may be visible from intermediate points on the line. This case comes under which among the three kinds of obstacles to chaining?

View solution

Q. When it is possible to chain round the obstacle, i.e a pond, hedge etc. This case comes under which among the three kinds of obstacles to chaining?

View solution

Q. Both ends of the line may not be visible from intermediate points on the line. This case comes under which among the three kinds of obstacles to chaining?

View solution

Q. When it is not possible to chain round the obstacle e.g. a river. This case comes under which among the three kinds of obstacles to chaining?

View solution

Q. To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the lengths which must be chained off along CD in order that ED may be in AB produced?

View solution

Q. To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the lengths which must be chained off along CE in order that ED may be in AB produced?

View solution

Q. To continue a survey line AB past an obstacle, a line BC 300 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60° and 45° respectively. Determine the obstructed length BE?

View solution

Q. If we select two points A and B on either side of the obstacle and equal perpendiculars AC and BD are set out. Then AB is equal to?

View solution

Q. The direction of a survey line can either be established with relation to _______

View solution

Q. What is the direction of line relative to a given meridian?

View solution

Q. Which line passes through true north and true south?

View solution

Q. Which meridian direction can be established with the help of a magnetic compass?

View solution