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Consider the following characteristics of contours: 1. A uniform slope is indicated when contour lines are uniformly spaced. 2. Contour lines cannot end anywhere but can close on themselves. 3. A set of closed contours indicates depression or a summit, according to the lower or higher values being respectively inward. Which of the above statements are correct?

Consider the following characteristics of contours: 1. A uniform slope is indicated when contour lines are uniformly spaced. 2. Contour lines cannot end anywhere but can close on themselves. 3. A set of closed contours indicates depression or a summit, according to the lower or higher values being respectively inward. Which of the above statements are correct? Correct Answer 1, 2 and 3

Characteristics of contour are:

  • A set of closed contours indicates depression or a summit, according to the lower or higher values being respectively inward.
  • The variation of vertical distance between any two contour lines is assumed to be uniform.
  • The horizontal distance between any two contour lines indicates the amount of slope and varies inversely on the amount of slope.
  • A uniform slope is indicated when contour lines are uniformly spaced.
  • Contour lines cannot end anywhere but can close on themselves.
  • The steepest slope of terrain at any point on a contour is represented along the normal of the contour at that point. They are perpendicular to ridge and valley lines where they cross such lines.
  • Contours do not pass through permanent structures such as buildings.
  • Contours of different elevations cannot cross each other (caves and overhanging cliffs are the exceptions).
  • Contours of different elevations cannot unite to form one contour (vertical cliff is an exception).

Related Questions

Considered the following statements about the characteristics of contours - (1) Closed contour lines with higher values inside show a lake, (2) Contour is an imaginary line joining points of equal elevations, (3) Closely spaced contour lines indicate a steep slope. (4) Contour lines of equal height may not converge nor continue as one line but a single contour line may split into two lines Which of the statements given above are correct?
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If the maximum number of valves that can be closed at the same time are closed which of the following must true?
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Which of the following statements is/are true? i. Contour lines cross valley line at 90°. ii. Contour lines cross ridge line at 90°. iii. Contour lines are widely spaced where ground has steep slope.  
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If R is closed and U is open, which of the following must be true?
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. If Z is open, which of the following must be true?
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. Which of the following, if given to the mixing vat operator as an instruction, would not determine the setting of any other valve ?
Consider the following statements.
1. Magnetic lines of force are closed curves while electric lines are not.
2. Electric lines of force are closed curves while magnetic lines are not.
3. Both electric and magnetic lines of force are closed curves.
Which of statement(s) given above is/are correct?
A map shows the elevations of Darjeeling, Gangtok, Kalimpong, Pelling, and Siliguri. Kalimpong is at a lower elevation than Gangtok, Pelling is at a lower elevation than Gangtok. Pelling is at a higher elevation than Siliguri. Darjeeling is at a higher elevation than Gangtok. Which of the following statements can be inferred from the paragraph above? i. Pelling is at a higher elevation than Kalimpong ii. Kalimpong is at a lower elevation than Darjeeling iii. Kalimpong is at a higher elevation than Siliguri iv. Siliguri is at a lower elevation than Gangtok
The following statements (C1, C2, C3, C4) pertain to the characteristics of different type of canals. Which of the following statements is/are correct? C1: A contour canal can irrigate command areas on both the banks. C2: It is possible to construct a contour canal with banks on one side only. C3: In the case of a ridge canal, the number of cross drainage works are maximum. C4: Side slope canal is aligned roughly at right angles to the ground contours.