52. What is the pressure per square inch on the side of a vessel at
the depth of 10 feet below the surface of the water?

53. What will be the theoretical volume of discharge per second from a
reservoir through a pipe 1 foot in diameter, discharging at a depth of
100 feet below the surface of the water?

54. How many gallons of water will be discharged through a pipe 1 foot
in diameter, 328 feet long, head 13½ feet, coefficient of flow =
0.007?

55. State how many men are needed to make up a full party for a survey
of a preliminary line or location of a public work, such as a railroad
or aqueduct.

56. State also their several duties.

57. For what purpose is the magnetic needle used in surveying land?

58. What is a traverse table and for what used?

59. How do you set out a circular curved line upon the ground?

60. If an obstacle occurs to alignment, state how you would overcome
it upon straight lines, also upon curves.

61. The radius of a curve being given, and angle of intersection of
the two tangents, how do you find the length of the tangent from their
intersection to the beginning of the curve?