सिभिल इन्जिनियरिङ
सिभिल इन्जिनियरिङ
Civil Engineering · ५,१७१ प्रश्न
५,१७१ प्रश्न उपलब्ध। मोड छान्नुहोस्:
सिभिल इन्जिनियरिङ: 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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For a design speed of 80 km/h with maximum superelevation 0.07 and lateral friction 0.15, the ruling minimum radius of horizontal curve is about:
सही उत्तर: ग) 229 m
R = V²/[127(e + f)] = 80²/(127 × 0.22) = 6400/27.94 ≈ 229 m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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As per IRC, the minimum length of an overtaking zone should be:
सही उत्तर: ग) Three times the overtaking sight distance
Overtaking zones should be at least 3 × OSD long (desirably 5 × OSD) and marked with signs.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In overtaking sight distance, the minimum spacing between vehicles is s = 0.7vb + 6 (vb in m/s). For an overtaken vehicle speed of 50 km/h, s is about:
सही उत्तर: क) 15.7 m
vb = 50/3.6 = 13.89 m/s; s = 0.7 × 13.89 + 6 ≈ 15.7 m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For measuring stopping sight distance as per IRC, the driver's eye height and the object height are taken respectively as:
सही उत्तर: घ) 1.2 m and 0.15 m
SSD uses eye height 1.2 m and object 0.15 m; for overtaking sight distance both are taken as 1.2 m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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As per IRC, the intermediate sight distance is taken as:
सही उत्तर: ग) Twice the stopping sight distance
Intermediate sight distance = 2 × SSD; it gives limited overtaking opportunity where full OSD cannot be provided.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For a design speed of 80 km/h, reaction time 2.5 s and coefficient of longitudinal friction 0.35 on a level road, the stopping sight distance is about:
सही उत्तर: घ) 128 m
v = 22.22 m/s; lag = 22.22 × 2.5 = 55.6 m; braking = v²/(2gf) = 493.8/(2 × 9.81 × 0.35) ≈ 71.9 m; SSD ≈ 127.5 ≈ 128 m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A bus bay (lay-by) on a highway or urban road is provided to:
सही उत्तर: क) Let buses stop clear of the through traffic lane
Bus bays recess the stopping area from the carriageway so stopped buses do not block or endanger through traffic.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Points through which a road alignment must necessarily pass (e.g. a good bridge site or a town) are called:
सही उत्तर: ग) Obligatory points
Obligatory points (positive) force the alignment through them; negative obligatory points (e.g. religious sites, unstable slopes) must be avoided.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Under Nepal's Strategic Road Network managed by the Department of Roads, roads are classified as National Highways and:
सही उत्तर: क) Feeder roads
The Strategic Road Network consists of National Highways and Feeder Roads; district, village and urban roads are local roads.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The Karnali Highway links Surkhet with:
सही उत्तर: ख) Jumla
The Karnali Highway runs from Surkhet through Dailekh and Kalikot to Jumla, connecting the Karnali region with the Terai network.
💬 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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