D41 QUIZ OF THE DAY

What is the shape of the Earth as considered in Geodetic Survey?

• Flat Plane
• Cone
• Oblate Spheroid
• Sphere

Answer explanation

In Geodetic Survey, the Earth is considered an oblate spheroid.

1 mile is equal to how many feet?

• 5280 feet
• 660 feet
• 1000 feet
• 201.168 feet

Answer explanation

1 mile = 8 furlongs = 8 × 660 = 5280 feet.

Which of the following is classified under 'based on the object' in surveying?

• Marine Survey
• Geological Survey
• City Survey
• Compass Survey

Answer explanation

Geological Survey is classified based on the object as it deals with earth strata.

Assertion (A): Plane Survey considers plumb lines as parallel. Reason (R): In small area surveys, Earth curvature is negligible.

• Both A and R are true, and R is the correct explanation.
• Both A and R are true, but R is not the correct explanation.
• A is true, R is false.
• A is false, R is true.

Answer explanation

Both statements are true and R correctly explains A.

Which survey is used for collecting data for harbor works and marine navigation?

• City Survey
• Marine Survey
• Engineering Survey
• Reconnaissance Survey

Answer explanation

Marine survey deals with water bodies and is used in navigation and harbor works.

In plane survey, the triangle formed by three points is considered as?

• Isosceles triangle
• Equilateral triangle
• Plane triangle
• Spherical triangle

Answer explanation

In plane surveying, triangles are considered to be plane triangles.

What is the length of 1 Gunter’s chain in meters?

• 20.1168 m
• 66.0 m
• 201.17 m
• 100.00 m

Answer explanation

66 feet × 0.3048 = 20.1168 m

How many square yards make one square chain?

• 484
• 640
• 30.25
• 100

Answer explanation

484 square yards = 1 square chain

Which unit system was invented in 1878?

• SI system
• Imperial system
• British system
• Metric system

Answer explanation

British units were invented in 1878 and include yard, foot, inch, etc.

Which survey is primarily conducted by a Revenue Engineer?

• Topographical survey
• Cadastral survey
• City survey
• Engineering survey

Answer explanation

Cadastral or Revenue surveys are conducted for boundary demarcation by revenue engineers.