इन्जिनियरिङ सेवा सिभिल इन्जिनियर (सातौँ तह) – प्राविधिक पत्र
इन्जिनियरिङ सेवा – सिभिल इन्जिनियर (सातौँ तह)
Civil Engineer – 7th Level · Engineering Service
१,९४० प्रश्न उपलब्ध। मोड छान्नुहोस्:
प्राविधिक पत्र: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ५ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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The reduced level (RL) of a point is its height above or below:
सही उत्तर: क) An assumed or established datum, such as mean sea level
RL is the elevation relative to a datum, usually mean sea level.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The longest chain line in a chain survey, on which the framework is built, is called the:
सही उत्तर: ख) Base line
The base line is the longest and most important line, laid out on level ground through the area.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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An obstacle such as a river, which obstructs chaining but not ranging, is crossed in chain surveying by:
सही उत्तर: घ) Constructing similar or right-angled triangles to compute the gap indirectly
When ranging is possible but chaining is not, geometric constructions (perpendiculars, similar triangles) give the inaccessible length.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Perpendicular or oblique distances measured from a chain line to locate details are called:
सही उत्तर: क) Offsets
Offsets are lateral measurements from the chain line to objects to fix their position.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The slope length of a line is 100 m and the difference in elevation between its ends is 6 m. What is the horizontal distance (using the exact formula)?
सही उत्तर: ग) 99.82 m
Horizontal distance = √(100² − 6²) = √9964 ≈ 99.82 m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The correction for pull applied to a tape when the field pull P exceeds the standard pull P0 is given by (P − P0)L/(AE) and is:
सही उत्तर: ख) Positive
Extra pull stretches the tape, so measured lengths are too short and the pull correction is positive.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Invar tapes are used for very precise measurements such as base lines because they have:
सही उत्तर: क) A very low coefficient of thermal expansion
Invar (nickel–steel alloy) expands very little with temperature, minimising temperature errors.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The temperature correction for a steel tape used at a temperature higher than the standard temperature is:
सही उत्तर: ग) Positive
The tape expands at higher temperature, giving shorter readings, so the correction Ct = αL(Tm − To) is positive.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A distance of 300 m was measured with a 30 m tape that was 0.05 m too short. What is the true distance?
सही उत्तर: ख) 299.5 m
True length = 300 × 29.95/30 = 299.5 m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many arrows are normally supplied with a chain for counting the number of chain lengths measured?
सही उत्तर: ख) 10
A set of 10 arrows is used; each arrow marks the end of one chain length during chaining.
💬 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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