In the cross-section method of indirect contouring, the spacing of cross-sections depends upon________?

Most suitable section of sewer in separate sewage system is________?

Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds________?

Rolling resistance of a wheel depends upon________?

For supersonic transport aircraft, the minimum turning radius of taxiway is________?

Which of the following methods of plane table surveying is used to locate the position of an inaccessible point?