Surveying MCQ Paper-4 Welcome to your surveyingmcqpaper-4 1. Identify the biggest (or longest) of the main survey lines in chain surveying Tie line Cross line Base line Check line None 2. What is the common scale adopted in the form of a representative factor for the forest map 1/10000 1/100 1/25000 1/1000 None 3. In geodetic surveying the surface of the earth is considered Inclined Horizontal Vertical Curved None 4. In a metric chain, number of links per meter run can be 2 5 8 0 None 5. A building is an obstacle to Both chaining and ranging Chaining but not ranging Ranging but not chaining Neither chaining nor ranging None 6. The correction for sag is Sometimes additive and sometimes subtractive Always additive Always subtractive Always zero None 7. The magnetic bearing of a line AB is 132⁰45'. If the magnetic declination is 10⁰20' W the true bearing of the line is 122⁰ 25′ 143⁰ 5′ 121⁰ 25′ 122⁰ 30′ None 8. The fore bearing of a line is 324⁰ 45'. The back bearing of the line is 144⁰ 45′ 54⁰45′ 234⁰ 45′ 35⁰ 15′ None 9. In surveyor compass the bearing observed are in Whole circle bearing Reduced bearing Both (a) and (b) None of the above None 10. The graduations marked in surveyor's compass vary from _______ to ________ 0⁰ ; 270⁰ 0⁰ ; 90⁰ 0⁰ ; 360⁰ 0⁰ ; 180⁰ None 11. How does the size of theodolite specified By the length of telescope By the diameter of vertical circle By the diameter of upper plate By the diameter of lower plate None 12. Theodolite is an instrument used for measurement of Both horizontal and vertical angle Distance only Horizontal angle only Vertical angle only None 13. An anallactic lens is provided in a Theodolite Tacheometer Dumpy level Prismatic compass None 14. The sum of interior angles of a closed traverse is equal to (2n-4) x 90⁰ (3n-4) x 90⁰ (2n-4) x 180⁰ (3n-4) x 180⁰ None 15. The height of instrument is equal to RL of benchmark – back sight RL of benchmark + back sight RL of benchmark + fore sight RL of benchmark + intermediate sight None 16. The imaginary line passing through the intersection of cross hairs and the optical center of the objective is known as Line of sight Line of collimation geoid Axis of the telescope None of these None 17. The surface of zero elevation around the earth, which is slightly irregular and curved is known as Mean sea level<br> Good surface Level surface Horizontal surface None 18. The degree of the curve is an angle subtended at the center by a chord of length _______ and the degree of a curve with radius 688m will be equal to __________ 1.20 m ; 2.5⁰ 20 m ; 2⁰ 30 m ; 3⁰ 30 m ; 2.5⁰ None 19. What is the volume of earthwork (in cum.) in embankment of 10m long and 7m wide with the side slope of 2:1 70 150 280 390 None 20. The type of surveying which requires least office work is (least calculation) Theodolite surveying Tacheometry Trignometrical levelling Plane table surveying None 1 out of 4 Time’s up
