सर्भेक्षण – Surveying MCQ
सर्भेक्षण – सिभिल इन्जिनियरिङ
Surveying · Civil Engineering · १,५६५ प्रश्न
१,५६५ प्रश्न उपलब्ध। मोड छान्नुहोस्:
सर्भेक्षण: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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'Layer tinting' as a method of showing relief on maps means:
सही उत्तर: क) Colouring the zones between selected contours in graded colours according to elevation
Layer tints (e.g. greens for lowlands to browns and white for high ground) give a quick visual impression of altitude.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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On topographic maps, every fifth contour (or as specified) is drawn thicker and labelled with its value. Such a contour is called a/an:
सही उत्तर: घ) Index contour
Index contours make it easy to read elevations; intermediate contours are drawn thinner.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The Transverse Mercator projection can be visualised as a cylinder that is:
सही उत्तर: ग) Tangent to (or secant along) a chosen central meridian
In the transverse form the cylinder is turned 90° so that it touches the globe along a meridian, which suits areas with north-south extent.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Nepal Standard Time is based on the meridian of 86°15' E. By how much is it ahead of Greenwich Mean Time?
सही उत्तर: ख) 5 hours 45 minutes
Time difference = longitude ÷ 15° per hour = 86.25 ÷ 15 = 5.75 hours = 5 h 45 min.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The mean radius of the earth commonly used in surveying calculations is about:
सही उत्तर: क) 6371 km
The earth's mean radius is about 6371 km (its diameter about 12,742 km).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The flattening of the WGS 84 reference ellipsoid is approximately:
सही उत्तर: घ) 1/298
WGS 84 has flattening f = 1/298.257, reflecting the earth's slight polar compression.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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NavIC (IRNSS) is the regional satellite navigation system developed by:
सही उत्तर: ग) India
NavIC (Navigation with Indian Constellation) provides positioning over India and the surrounding region, including Nepal.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A geostationary satellite orbits above the equator at an altitude of about:
सही उत्तर: ख) 35,786 km
At about 35,786 km the orbital period equals one sidereal day, so the satellite appears fixed over one point.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In aerial photography, 'drift' occurs when:
सही उत्तर: क) The aircraft's actual flight path deviates from the planned flight line, usually due to wind
Drift is the lateral shift of the flight path from the intended line; crab is the rotation of the camera relative to the track.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In mass haul calculations, 'overhaul' refers to:
सही उत्तर: घ) Hauling of earth beyond the free-haul distance, usually measured as volume × extra distance
Payment for overhaul is made for the volume moved beyond the free-haul limit, multiplied by the extra distance.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
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