MCQOPTIONS
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MCQOPTIONS
This section includes 104 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena:%! |
| A. | Cloud evolution |
| B. | Vegetative cover |
| C. | Snow cover |
| D. | All of these |
| Answer» E. | |
| 2. |
Which one of the following attributes is not associated with digital maps%! |
| A. | Color |
| B. | Symbology |
| C. | Legends |
| D. | South arrow |
| Answer» E. | |
| 3. |
The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is :%! |
| A. | 8 |
| B. | 12 |
| C. | 16 |
| D. | 24 |
| Answer» E. | |
| 4. |
Formation of snow occurs if the cloud temperature is%! |
| A. | Just above the freezing point |
| B. | At the freezing point |
| C. | Below the freezing point |
| D. | None of these |
| Answer» D. None of these | |
| 5. |
While propagating through homogeneous, isotropic media,%! |
| A. | Directions of both the fields are orthogonal |
| B. | Both the fields are at right angles to the direction of propagation |
| C. | Both (A) and (B) |
| D. | Neither (A) nor (B) |
| Answer» D. Neither (A) nor (B) | |
| 6. |
Which one the following is a correct statement?%! |
| A. | The vertical section of the soil extending into the parent material, is called profile |
| B. | The layers of the soil parallel to the earth surface are called horizons |
| C. | The transitional layer between two adjoining horizons is called boundary |
| D. | All of these |
| Answer» E. | |
| 7. |
Consider the following statements regarding the satellite imaging: 1. The satellite orbit is fixed in the inertial space 2. During successive across-track imaging, the earth rotates beneath the sensor 3. The satellite images a skewed areaWhich one of the following statements is/are correct?%! |
| A. | 1, 2, 3 |
| B. | 1, 3 |
| C. | 2, 3 |
| D. | 1, 2 |
| Answer» B. 1, 3 | |
| 8. |
DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within%! |
| A. | 25 km |
| B. | 50 km |
| C. | 75 km |
| D. | 100 km |
| Answer» E. | |
| 9. |
A reduction of nitrogen nutrient in plants:%! |
| A. | Affects leaf color |
| B. | Reduces pigment concentration |
| C. | Increase the visible reflectivity |
| D. | All of these |
| Answer» E. | |
| 10. |
The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths:%! |
| A. | 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm |
| B. | 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm |
| C. | 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm |
| D. | All of these |
| Answer» E. | |
| 11. |
Electromagnetic radiation:%! |
| A. | Produces a time varying magnetic field and vice versa |
| B. | Once generated, remains self-propagating |
| C. | Is capable to travel across space |
| D. | All of these |
| Answer» E. | |
| 12. |
Which one of the following geometric errors of satellite sensors is random?%! |
| A. | Scan skew |
| B. | Panoramic distortion |
| C. | Earth rotation |
| D. | Altitude variation |
| Answer» E. | |
| 13. |
Which one of the following parameters is considered to determine the reflectance of a vegetation canopy?%! |
| A. | Solar zenith angle |
| B. | Azimuth angle |
| C. | Look angle |
| D. | All of these |
| Answer» E. | |
| 14. |
The altitudinal distance of a geostationary satellite from the earth is about:%! |
| A. | 26,000 km |
| B. | 30,000 km |
| C. | 36,000 km |
| D. | 44,000 km |
| Answer» D. 44,000 km | |
| 15. |
The normal altitude of GPS satellite is about%! |
| A. | 16,200 km |
| B. | 20,200 km |
| C. | 24,400 km |
| D. | 36,100 km |
| Answer» C. 24,400 km | |
| 16. |
Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct?%! |
| A. | C = v + λ |
| B. | C = λ/v |
| C. | C = vλ |
| D. | C = 1/λv |
| Answer» D. C = 1/≈í¬™v | |
| 17. |
Leaf reflectance depends primarily on:%! |
| A. | The pigments |
| B. | Internal cell structure |
| C. | Equivalent water content |
| D. | All of these |
| Answer» E. | |
| 18. |
Pick up the correct definition from the following with response to GIS.%! |
| A. | Common boundary between two areas of a locality is known as adjacency |
| B. | The area features which are wholly contained within another area feature, is known so containment |
| C. | The geometric property which describes the linkage between line features is defined as connectivity |
| D. | All of these |
| Answer» E. | |
| 19. |
*$_The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths:? |
| A. | 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm |
| B. | 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm |
| C. | 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm |
| D. | All of these |
| Answer» E. | |
| 20. |
*$_Electromagnetic radiation:? |
| A. | Produces a time varying magnetic field and vice versa |
| B. | Once generated, remains self-propagating |
| C. | Is capable to travel across space |
| D. | All of these |
| Answer» E. | |
| 21. |
*$_The altitudinal distance of a geostationary satellite from the earth is about:? |
| A. | 26,000 km |
| B. | 30,000 km |
| C. | 36,000 km |
| D. | 44,000 km |
| Answer» D. 44,000 km | |
| 22. |
*$_The normal altitude of GPS satellite is about? |
| A. | 16,200 km |
| B. | 20,200 km |
| C. | 24,400 km |
| D. | 36,100 km |
| Answer» C. 24,400 km | |
| 23. |
*$_Which one of the following geometric errors of satellite sensors is random?? |
| A. | Scan skew |
| B. | Panoramic distortion |
| C. | Earth rotation |
| D. | Altitude variation |
| Answer» E. | |
| 24. |
*$_Which one of the following parameters is considered to determine the reflectance of a vegetation canopy?? |
| A. | Solar zenith angle |
| B. | Azimuth angle |
| C. | Look angle |
| D. | All of these |
| Answer» E. | |
| 25. |
*$_Which one of the following relationship between the wave length (λ), and frequency and the speed (C) of the electromagnetic wave is correct?? |
| A. | C = v + λ |
| B. | C = λ/v |
| C. | C = vλ |
| D. | C = 1/λv |
| Answer» D. C = 1/≈í¬™v | |
| 26. |
*$_Pick up the correct definition from the following with response to GIS.? |
| A. | Common boundary between two areas of a locality is known as adjacency |
| B. | The area features which are wholly contained within another area feature, is known so containment |
| C. | The geometric property which describes the linkage between line features is defined as connectivity |
| D. | All of these |
| Answer» E. | |
| 27. |
*/*_'A time varying electric field produces a magnetic field.' This phenomenon is called:? |
| A. | Hertz's law |
| B. | Ampere Maxwell's law |
| C. | Faraday's law |
| D. | Kirchoff’s law |
| Answer» C. Faraday's law | |
| 28. |
*/*_While propagating through homogeneous, isotropic media,? |
| A. | Directions of both the fields are orthogonal |
| B. | Both the fields are at right angles to the direction of propagation |
| C. | Both (A) and (B) |
| D. | Neither (A) nor (B) |
| Answer» D. Neither (A) nor (B) | |
| 29. |
*/*_Leaf reflectance depends primarily on:? |
| A. | The pigments |
| B. | Internal cell structure |
| C. | Equivalent water content |
| D. | All of these |
| Answer» E. | |
| 30. |
*/*_Consider the following statements regarding the satellite imaging: 1. The satellite orbit is fixed in the inertial space 2. During successive across-track imaging, the earth rotates beneath the sensor 3. The satellite images a skewed areaWhich one of the following statements is/are correct?? |
| A. | 1, 2, 3 |
| B. | 1, 3 |
| C. | 2, 3 |
| D. | 1, 2 |
| Answer» B. 1, 3 | |
| 31. |
*/*_Which one the following is a correct statement?? |
| A. | The vertical section of the soil extending into the parent material, is called profile |
| B. | The layers of the soil parallel to the earth surface are called horizons |
| C. | The transitional layer between two adjoining horizons is called boundary |
| D. | All of these |
| Answer» E. | |
| 32. |
*/*_A reduction of nitrogen nutrient in plants:? |
| A. | Affects leaf color |
| B. | Reduces pigment concentration |
| C. | Increase the visible reflectivity |
| D. | All of these |
| Answer» E. | |
| 33. |
*/*_DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within? |
| A. | 25 km |
| B. | 50 km |
| C. | 75 km |
| D. | 100 km |
| Answer» E. | |
| 34. |
*/*_The phase difference of the waves 1 and 2 at A in the given figure is:? |
| A. | π/4 |
| B. | π/2 |
| C. | π/1 |
| D. | 3π/2 |
| Answer» C. ≈ì√Ñ/1 | |
| 35. |
*/*_The reflection of solar energy is characterized by the water content in the leaf, in the reflective optical infrared:? |
| A. | Visible (0.4 - 0.7 μm) region |
| B. | Near-IR (0.7 - 1.3 μm) region |
| C. | Short wave-IR (1.3 - 2.7 μm) region |
| D. | None of these |
| Answer» D. None of these | |
| 36. |
*/*_Pick up the correct statement from the following? |
| A. | The ratio of the up flux and down flux just above the snow surface, is called albedo |
| B. | Spectral albedo of snow is calculated for the semi-infinite snow thickness |
| C. | Water equivalent height of snow is the height of water column obtained by melting snow |
| D. | All of these |
| Answer» E. | |
| 37. |
*/*_A passive sensor uses:? |
| A. | Sun as the source of energy |
| B. | Flash light as a source of energy |
| C. | Its own source of energy |
| D. | None of these |
| Answer» B. Flash light as a source of energy | |
| 38. |
*/*_The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as:? |
| A. | Ozone hole |
| B. | Atmospheric window |
| C. | Ozone window |
| D. | Black hole |
| Answer» C. Ozone window | |
| 39. |
_ In case of reflection and refraction of electromagnetic radiation,$? |
| A. | Angle of incidence = angle of refraction |
| B. | Angle of incidence = angle of reflection |
| C. | Angle of refraction = sum of the angles of incidence and refraction |
| D. | All the above |
| Answer» C. Angle of refraction = sum of the angles of incidence and refraction | |
| 40. |
_ "An Electromagnetic wave falls on to a boundary between two losses less homogeneous media with different refractive indices, a part of the wave is reflected back to the incident medium and the rest is transmitted on to the second media". This phenomenon is known as:$? |
| A. | Fresnel reflection |
| B. | Fresnel refraction |
| C. | Snell's law |
| D. | None of these |
| Answer» B. Fresnel refraction | |
| 41. |
_ A perfectly black body:$? |
| A. | Is a diffuse emitter |
| B. | Absorbs all the radiations of every wave lengths |
| C. | Emits power of every wave length |
| D. | All the above |
| Answer» E. | |
| 42. |
_ If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by:$? |
| A. | Cm = 1/εμ |
| B. | Cm = 1/‚à ö8 Œº |
| C. | Cm = 5/‚à öŒµŒº |
| D. | None of these |
| Answer» C. Cm = 5/‚Äö√ √∂≈í¬µ≈í¬∫ | |
| 43. |
_ The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:$? |
| A. | Passive remote sensing |
| B. | Active remote sensing |
| C. | Neutral remote sensing |
| D. | None of these |
| Answer» C. Neutral remote sensing | |
| 44. |
_ Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).$? |
| A. | h > λ/Δ cos θ |
| B. | h = λ/8 cos θ |
| C. | h > λ/8 cos θ |
| D. | h < λ/8 cos θ |
| Answer» D. h < ≈í¬™/8 cos ≈í‚àè | |
| 45. |
_ Due to perturbation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by its$? |
| A. | Six ground stations |
| B. | Five ground stations |
| C. | Four ground stations |
| D. | Three ground stations |
| Answer» C. Four ground stations | |
| 46. |
_ The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,$? |
| A. | Reduces the contrast of the image and also its sharpness |
| B. | Increases the contrast of the image but reduces the sharpness |
| C. | Increases both the contrast and sharpness |
| D. | Reduces the contrast but increases the sharpness |
| Answer» B. Increases the contrast of the image but reduces the sharpness | |
| 47. |
_ The phase difference of the waves 1 and 2 at A in the given figure is:$? |
| A. | π/4 |
| B. | π/2 |
| C. | π/1 |
| D. | 3π/2 |
| Answer» C. ≈ì√Ñ/1 | |
| 48. |
_ The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called:$? |
| A. | Spectral variation |
| B. | Spatial variation |
| C. | Temporal variation |
| D. | None of these |
| Answer» C. Temporal variation | |
| 49. |
_ The various stages occuring in GPS system are described below: 1. Generation of an output to the user 2. Detection of the GPS signals 3. Processing the data in the built-in-computer 4. Decoding the GPS signal.The correct sequence of the stages is:$? |
| A. | 1, 2, 3, 4 |
| B. | 2, 3, 4, 1 |
| C. | 2, 4, 3, 1 |
| D. | 3, 1, 2, 4 |
| Answer» D. 3, 1, 2, 4 | |
| 50. |
_ The reflection of solar energy is characterized by the water content in the leaf, in the reflective optical infrared:$? |
| A. | Visible (0.4 - 0.7 μm) region |
| B. | Near-IR (0.7 - 1.3 μm) region |
| C. | Short wave-IR (1.3 - 2.7 μm) region |
| D. | None of these |
| Answer» D. None of these | |