SOIL SURVEY AND SOIL CONSERVATION
SOIL SURVEY AND SOIL CONSERVATION MCQs
1. In a gear, the pitch diameter divided by number of teeth is called
(A) Module (B) Root dia. (C) Addendum (D) Dedendum
Ans: A
2. Clearance between mating part is measured by
(A) Dial gauge (B) ‘Go’ gauge (C) Feeler gauge (D) Calliper gauge
Ans: C
3. A dimension is stated as 25 ± 0.02 mm in a drawing, what is the tolerance ?
(A) 25.00 mm (B) +0.02 mm (C) —0.02 mm (D) 0.04 mm
Ans: D
4. Which is the purest form of iron ?
(A) Cast iron (B) Wrought iron (C) Pig iron (D) Steels
Ans: B
5. Which one of the following metals is drilled without coolant or cutting fluid ?
(A) Copper (B) Tin (C) Low carbon steel (D) Grey cast iron
Ans: D
6. Which is a non-ferrous alloy ?
(A) Brass (B) Aluminium (C) Copper (D) Lead
Ans: A
7. One micron = _____mm
(A) 0.01 (B) 0.001 (C) 0.02 (D) 0.002
Ans: B
8. Which heat treatment process is suitable to relieve internal stress ?
(A) Tempering (B) Hardening (C) Annealing (D) Normalising
Ans: C
9. What does the designation M16 X 2 indicate ?
(A) ISO metric fine thread (B) ISO metric coarse thread
(C) B.S.F metric fine thread (D) B.S.F metric coarse thread
Ans: A
10. A high percentage of carbon content in steel tends to make it
(A) Soft and malleable (B) Hard and ductile (C) Soft and tough (D) Hard and brittle
Ans: D
11. What is the outer diameter of washer when a nominal diameter of bolt is 5 mm ?
(A) 15 mm (B) 13 mm (C) 10 mm (D) 12 mm
Ans: B
12. What is name of the nut which is a hexagonal nut with washer ?
(A) Flanged nut (B) Dome nut (C) Wing nut (D) Cap nut
Ans: A
13. What type of failure will occur when rivets are smaller than necessary ?
(A) Tearing of plate between the holes (B) Tearing of plate between the edges (C) Shearing of rivet (D) Crushing of plate
Ans: C
14. A high speed steel has to be forged. Which colour indicates the most suitable forging temperature ?
(A) Yellow (B) Light Blue (C) Dark, Cherry Red (D) White
Ans: A
15. Which one of the following threads is used on mechanical jack ?
(A) Acme (B) B.S.F (C) Buttress (D) Square
Ans: D
16. The Pitch diameter of the external screw thread is checked by
(A) Screw pitch gauge (B) Screw thread micrometer (C) Thread ring gauge (D) Vernier caliper
Ans: B
17. In triple start thread if the pitch is 4 m then the lead is
(A) 8 mm (B) 12 mm (C) 16 mm (D) 4 mm
Ans: B
18. Cast iron cannot be forged because it has the property of
(A) Stiffness (B) Softness (C) Brittleness (D) Toughness
Ans: C
19. The position in which it is easiest to weld is
(A) Flat (B) Overhead (C) Vertical (D) Horizontal
Ans: A
20.The unit of power is
(A) Watt per second (B) Joule (C) kilo Joule (D) Joule per second
Ans: D
21. What is brazing filler rod made of?
(A) Brass (B) Lead (C) Tin (D) Iron
Ans: A
22. If the shaft dia. is 60 mm, how many bolts are recommended for rigid flange coupling ?
(A) 2 (B) 5 (C) 3 (D) 4
Ans: D
23. A double cut file is used for filing on
(A) hard board (B) steel (C) wood (D) leather
Ans: B
24. While grinding one must use
(A) Dark glass screen (B) Mask (C) Safety goggles (D) Sun goggles
Ans: C
25. In a single-start thread
(A) Lead and pitch are equal (B) Lead is double the pitch (C) Pitch is double the lead (D) Lead is half the pitch
Ans: A
26. The most important quality of any lubricant is
(A) Specific gravity (B) Viscosity (C) Specific heat (D) Emulsification
Ans: B
27. The point angle of centre punch is
(A) 30° (B) 60° (C) 90° (D) 120°
Ans: C
28. The box nut of a bench vice is made of
(A) Alloy steel (B) Mild steel (C) White metal (D) Phosphorous bronze
Ans: D
29. The hand Vice is used for
(A) Tightening nuts and bolts (B) Fixing heavy jobs (C) Doing minute work (D) Holding round jobs
Ans: C
30. The least count of a Vernier Calliper is
(A) 0.02 mm (B) 0.01 mm (C) 0.10 mm (D) 0.05 mm
Ans: A
31. Which of the following is a direct measuring tool ?
(A) Ring gauge (B) Straight edge (C) Steel rule (D) Try square
Ans: C
32. Ratchet stop in the micrometre helps to
(A) lock the spindle (B) control the pressure (C) adjust zero error (D) hold the work—piece
Ans: B
33. A cutting tool used to finish and enlarge a hole is known as
(A) Tap (B) Drill (C) Die (D) Reamer
Ans: D
34. The body of a flat chisel is usually made in the shape of
(A) Rectangular (B) Octagonal (C) Square (D) Hexagonal
Ans: B
35. A hole which is not made through full depth of the component is known as
(A) Blind hole (B) Core hole (C) Pin hole (D) Bore hole
Ans: A
36. The piles which are used to transfer load through water or soft soil to a suitable bearing stratum.
(A) Compaction pile (B) End bearing pile
(C) Friction pile (D) Franki pile
Ans: B
37. Which foundation is a special type of isolated footing, generally provided for heavily loaded steel stanchions, specially in those location where bearing capacity of the soil is poor ?
(A) Grillage foundation (B) Raft or mat foundation
(C) Cantilever footing (D) Inverted arch footing
Ans: A
38. The termination of the wall in a stepped fashion, it is termed as
(A) Toothing (B) Housing
(C) Mitring (D) Racking back
Ans: D
39. In which bond the header course is provided only after 3-5 stretcher courses ?
(A) Dutch bond (B) English cross bond
(C) Garden wall English bond (D) Garden wall Flemish bond
Ans: C
40. Which roof is economically suitable for spans upto 4.2 m ?
(A) Lean to roof (B) Couple roof
(C) Couple close roof (D) Collar beam roof
Ans: C
41. Which plaster is provided in X- rooms ?
(A) Acoustic plaster (B) Barium plaster
(C) Gypsum plaster (D) Granite silicon plaster
Ans: B
42. The formation of very loose mass of plastered surface due to poor bond between successive coats. It is termed as
(A) Cracking (B) Crazing
(C) Peeling (D) None of these
Ans: D
43. The pipe provided to preserve the water seal of trap is termed as
(A) Anti-siphonage pipe (B) Soil pipe
(C) Vent pipe (D) Waste pipe
Ans: A
44. The smallest division on the graduated jar of the Symon‘s rain gauge is
(A) 0.1 mm (B) 0.2 mm
(C) 0.8 mm (D) 0.5 mm
Ans: B
45. The difference of level between the top of the dam and maximum water level is termed as
(A) Dead storage (B) Live storage
(C) Gross free board (D) Net free board
Ans: D
46. The free board of earth dam ranges from
(A) 0.3m — 0.75m (B) 1.25m — 3.5m
(C) 3.5m — 5m (D) None of these
Ans: B
47. The lining is carried out by forcing a slurry of cement mortar under pressure through a nozzle on the canal surface is termed as
(A) Shotcrete lining (B) Cement mortar lining
(C) Cement concrete lining (D) None of these
Ans: A
48. The minimum concentration of dissolved oxygen is required in water for the sustenance of fish life is ranges from
(A) 0.5 to 2.5 mg/l (B) 2.5 to 3.75 mg/l
(C) 4 to 5 mg/l (D) 7 to 8 mg/l
Ans: C
49. The density of concrete may be taken as
(A) 1440 kg/m3 (B) 7850 kg/m3
(C) 2440 kg/m3 (D) 1000 kg/m3
Ans: C
50. As per IS : 456 the minimum depth required to simply supported beams are
(A) Span/10 (B) Span/20
(C) Span/30 (D) Span/40
Ans: B
(A) Module (B) Root dia. (C) Addendum (D) Dedendum
Ans: A
2. Clearance between mating part is measured by
(A) Dial gauge (B) ‘Go’ gauge (C) Feeler gauge (D) Calliper gauge
Ans: C
3. A dimension is stated as 25 ± 0.02 mm in a drawing, what is the tolerance ?
(A) 25.00 mm (B) +0.02 mm (C) —0.02 mm (D) 0.04 mm
Ans: D
4. Which is the purest form of iron ?
(A) Cast iron (B) Wrought iron (C) Pig iron (D) Steels
Ans: B
5. Which one of the following metals is drilled without coolant or cutting fluid ?
(A) Copper (B) Tin (C) Low carbon steel (D) Grey cast iron
Ans: D
6. Which is a non-ferrous alloy ?
(A) Brass (B) Aluminium (C) Copper (D) Lead
Ans: A
7. One micron = _____mm
(A) 0.01 (B) 0.001 (C) 0.02 (D) 0.002
Ans: B
8. Which heat treatment process is suitable to relieve internal stress ?
(A) Tempering (B) Hardening (C) Annealing (D) Normalising
Ans: C
9. What does the designation M16 X 2 indicate ?
(A) ISO metric fine thread (B) ISO metric coarse thread
(C) B.S.F metric fine thread (D) B.S.F metric coarse thread
Ans: A
10. A high percentage of carbon content in steel tends to make it
(A) Soft and malleable (B) Hard and ductile (C) Soft and tough (D) Hard and brittle
Ans: D
11. What is the outer diameter of washer when a nominal diameter of bolt is 5 mm ?
(A) 15 mm (B) 13 mm (C) 10 mm (D) 12 mm
Ans: B
12. What is name of the nut which is a hexagonal nut with washer ?
(A) Flanged nut (B) Dome nut (C) Wing nut (D) Cap nut
Ans: A
13. What type of failure will occur when rivets are smaller than necessary ?
(A) Tearing of plate between the holes (B) Tearing of plate between the edges (C) Shearing of rivet (D) Crushing of plate
Ans: C
14. A high speed steel has to be forged. Which colour indicates the most suitable forging temperature ?
(A) Yellow (B) Light Blue (C) Dark, Cherry Red (D) White
Ans: A
15. Which one of the following threads is used on mechanical jack ?
(A) Acme (B) B.S.F (C) Buttress (D) Square
Ans: D
16. The Pitch diameter of the external screw thread is checked by
(A) Screw pitch gauge (B) Screw thread micrometer (C) Thread ring gauge (D) Vernier caliper
Ans: B
17. In triple start thread if the pitch is 4 m then the lead is
(A) 8 mm (B) 12 mm (C) 16 mm (D) 4 mm
Ans: B
18. Cast iron cannot be forged because it has the property of
(A) Stiffness (B) Softness (C) Brittleness (D) Toughness
Ans: C
19. The position in which it is easiest to weld is
(A) Flat (B) Overhead (C) Vertical (D) Horizontal
Ans: A
20.The unit of power is
(A) Watt per second (B) Joule (C) kilo Joule (D) Joule per second
Ans: D
21. What is brazing filler rod made of?
(A) Brass (B) Lead (C) Tin (D) Iron
Ans: A
22. If the shaft dia. is 60 mm, how many bolts are recommended for rigid flange coupling ?
(A) 2 (B) 5 (C) 3 (D) 4
Ans: D
23. A double cut file is used for filing on
(A) hard board (B) steel (C) wood (D) leather
Ans: B
24. While grinding one must use
(A) Dark glass screen (B) Mask (C) Safety goggles (D) Sun goggles
Ans: C
25. In a single-start thread
(A) Lead and pitch are equal (B) Lead is double the pitch (C) Pitch is double the lead (D) Lead is half the pitch
Ans: A
26. The most important quality of any lubricant is
(A) Specific gravity (B) Viscosity (C) Specific heat (D) Emulsification
Ans: B
27. The point angle of centre punch is
(A) 30° (B) 60° (C) 90° (D) 120°
Ans: C
28. The box nut of a bench vice is made of
(A) Alloy steel (B) Mild steel (C) White metal (D) Phosphorous bronze
Ans: D
29. The hand Vice is used for
(A) Tightening nuts and bolts (B) Fixing heavy jobs (C) Doing minute work (D) Holding round jobs
Ans: C
30. The least count of a Vernier Calliper is
(A) 0.02 mm (B) 0.01 mm (C) 0.10 mm (D) 0.05 mm
Ans: A
31. Which of the following is a direct measuring tool ?
(A) Ring gauge (B) Straight edge (C) Steel rule (D) Try square
Ans: C
32. Ratchet stop in the micrometre helps to
(A) lock the spindle (B) control the pressure (C) adjust zero error (D) hold the work—piece
Ans: B
33. A cutting tool used to finish and enlarge a hole is known as
(A) Tap (B) Drill (C) Die (D) Reamer
Ans: D
34. The body of a flat chisel is usually made in the shape of
(A) Rectangular (B) Octagonal (C) Square (D) Hexagonal
Ans: B
35. A hole which is not made through full depth of the component is known as
(A) Blind hole (B) Core hole (C) Pin hole (D) Bore hole
Ans: A
36. The piles which are used to transfer load through water or soft soil to a suitable bearing stratum.
(A) Compaction pile (B) End bearing pile
(C) Friction pile (D) Franki pile
Ans: B
37. Which foundation is a special type of isolated footing, generally provided for heavily loaded steel stanchions, specially in those location where bearing capacity of the soil is poor ?
(A) Grillage foundation (B) Raft or mat foundation
(C) Cantilever footing (D) Inverted arch footing
Ans: A
38. The termination of the wall in a stepped fashion, it is termed as
(A) Toothing (B) Housing
(C) Mitring (D) Racking back
Ans: D
39. In which bond the header course is provided only after 3-5 stretcher courses ?
(A) Dutch bond (B) English cross bond
(C) Garden wall English bond (D) Garden wall Flemish bond
Ans: C
40. Which roof is economically suitable for spans upto 4.2 m ?
(A) Lean to roof (B) Couple roof
(C) Couple close roof (D) Collar beam roof
Ans: C
41. Which plaster is provided in X- rooms ?
(A) Acoustic plaster (B) Barium plaster
(C) Gypsum plaster (D) Granite silicon plaster
Ans: B
42. The formation of very loose mass of plastered surface due to poor bond between successive coats. It is termed as
(A) Cracking (B) Crazing
(C) Peeling (D) None of these
Ans: D
43. The pipe provided to preserve the water seal of trap is termed as
(A) Anti-siphonage pipe (B) Soil pipe
(C) Vent pipe (D) Waste pipe
Ans: A
44. The smallest division on the graduated jar of the Symon‘s rain gauge is
(A) 0.1 mm (B) 0.2 mm
(C) 0.8 mm (D) 0.5 mm
Ans: B
45. The difference of level between the top of the dam and maximum water level is termed as
(A) Dead storage (B) Live storage
(C) Gross free board (D) Net free board
Ans: D
46. The free board of earth dam ranges from
(A) 0.3m — 0.75m (B) 1.25m — 3.5m
(C) 3.5m — 5m (D) None of these
Ans: B
47. The lining is carried out by forcing a slurry of cement mortar under pressure through a nozzle on the canal surface is termed as
(A) Shotcrete lining (B) Cement mortar lining
(C) Cement concrete lining (D) None of these
Ans: A
48. The minimum concentration of dissolved oxygen is required in water for the sustenance of fish life is ranges from
(A) 0.5 to 2.5 mg/l (B) 2.5 to 3.75 mg/l
(C) 4 to 5 mg/l (D) 7 to 8 mg/l
Ans: C
49. The density of concrete may be taken as
(A) 1440 kg/m3 (B) 7850 kg/m3
(C) 2440 kg/m3 (D) 1000 kg/m3
Ans: C
50. As per IS : 456 the minimum depth required to simply supported beams are
(A) Span/10 (B) Span/20
(C) Span/30 (D) Span/40
Ans: B
51. In the absence of detailed design the percentage of steel for concrete may be taken approximately for column is
(A) 0.5 to 0.72% (B) 1to 2% (C) 0.5 to 0.8% (D) 1 to 5%
Ans: D
52. Strength of weld is equal to
(A) Permissible stress x Throat area (B) Permissible stress x Throat thickness
(C) Permissible stress x Length of weld (D) Throat thickness x Length of weld
Ans: A
53. The width of carriage way is 10 m and the rise of camber is 1m, then what is the rate of the camber ?
(A) 1in10 (B) 1in5 (C) 10011 (D) 5in1
Ans: B
54. The headquarters of the southern central railway is
(A) Chennai (B) Secunderabad
(C) Mumbai (D) Calcutta
Ans: B
55. After the outer signal towards station in a stop signal and exactly placed at the station limit is called
(A) Outer signal (B) Starter signal
(C) Advanced starter signal (D) Home signal
Ans: D
56. A line was shown to a magnetic bearing of 35°15' in an old map, when the declination was 13°45'E. To what bearing should it to be set now if the present magnetic declination is 4°15'W ?
(A) 49° (B) 39°30'
(C) 43°15' (D) 18°
Ans: C
57. Line AB and BC intersect at B and < B is measured by theodolite, then the deflection angle of line BC is given by
(A) 180°—<B
(B) 270°—<B
(C) 90°+<B
(D) 180°+<B
Ans: A
58. If ‘f’ be the focal length of the objective and ‘f1’ that of the eye piece, then magnifying power is given by
(A) f/f1 (B) f1/f (C) f xf1 (D) None of these
Ans: B
59. The plane perpendicular to both the horizontal and vertical planes is known as
(A) Horizon plane (B) Picture plane
(C) Both (A) and (B) (D) None of these
Ans: D
60. A solid having twelve equal and regular pentagons is known as
(A) Tetrahedron (B) Octahedron
(C) Dodecahedron (D) Icosahedron
Ans: C
61. The point of the conic at which the conic cuts its axis is known as
(A) Directrix (B) Focus
(C) Ordinate (D) Vertex
Ans: D
62. The first Indian cement factory was installed in
(A) Kerala (B) Uttar Pradesh
(C) Kamataka (D) Tamil Nadu
Ans: D
63. Recommended slumps of concrete for road construction is
(A) 20 — 40 mm (B) 40 — 50 mm
(C) 70 — 80 mm (D) 90 — 100 mm
Ans: A
64. The lime which contains mainly calcium oxide and is capable of slacking with water is
(A) Quick lime (B) Fat lime
(C) Poor lime (D) Hydraulic lime
Ans: B
65. Corrosion resistance of stainless steel is due to the presence of
(A) Manganese (B) Chromium
(C) Carbon (D) Nickel
Ans: B
(A) 0.5 to 0.72% (B) 1to 2% (C) 0.5 to 0.8% (D) 1 to 5%
Ans: D
52. Strength of weld is equal to
(A) Permissible stress x Throat area (B) Permissible stress x Throat thickness
(C) Permissible stress x Length of weld (D) Throat thickness x Length of weld
Ans: A
53. The width of carriage way is 10 m and the rise of camber is 1m, then what is the rate of the camber ?
(A) 1in10 (B) 1in5 (C) 10011 (D) 5in1
Ans: B
54. The headquarters of the southern central railway is
(A) Chennai (B) Secunderabad
(C) Mumbai (D) Calcutta
Ans: B
55. After the outer signal towards station in a stop signal and exactly placed at the station limit is called
(A) Outer signal (B) Starter signal
(C) Advanced starter signal (D) Home signal
Ans: D
56. A line was shown to a magnetic bearing of 35°15' in an old map, when the declination was 13°45'E. To what bearing should it to be set now if the present magnetic declination is 4°15'W ?
(A) 49° (B) 39°30'
(C) 43°15' (D) 18°
Ans: C
57. Line AB and BC intersect at B and < B is measured by theodolite, then the deflection angle of line BC is given by
(A) 180°—<B
(B) 270°—<B
(C) 90°+<B
(D) 180°+<B
Ans: A
58. If ‘f’ be the focal length of the objective and ‘f1’ that of the eye piece, then magnifying power is given by
(A) f/f1 (B) f1/f (C) f xf1 (D) None of these
Ans: B
59. The plane perpendicular to both the horizontal and vertical planes is known as
(A) Horizon plane (B) Picture plane
(C) Both (A) and (B) (D) None of these
Ans: D
60. A solid having twelve equal and regular pentagons is known as
(A) Tetrahedron (B) Octahedron
(C) Dodecahedron (D) Icosahedron
Ans: C
61. The point of the conic at which the conic cuts its axis is known as
(A) Directrix (B) Focus
(C) Ordinate (D) Vertex
Ans: D
62. The first Indian cement factory was installed in
(A) Kerala (B) Uttar Pradesh
(C) Kamataka (D) Tamil Nadu
Ans: D
63. Recommended slumps of concrete for road construction is
(A) 20 — 40 mm (B) 40 — 50 mm
(C) 70 — 80 mm (D) 90 — 100 mm
Ans: A
64. The lime which contains mainly calcium oxide and is capable of slacking with water is
(A) Quick lime (B) Fat lime
(C) Poor lime (D) Hydraulic lime
Ans: B
65. Corrosion resistance of stainless steel is due to the presence of
(A) Manganese (B) Chromium
(C) Carbon (D) Nickel
Ans: B