इन्जिनियरिङ सेवा असिस्टेन्ट सब-इन्जिनियर (चौथो तह) – प्राविधिक पत्र
इन्जिनियरिङ सेवा – असिस्टेन्ट सब-इन्जिनियर (चौथो तह)
Assistant Sub-Engineer – 4th 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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Which of the following is a dynamic pile formula?
सही उत्तर: ग) Engineering News formula
The Engineering News formula estimates pile capacity from driving energy and set.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Negative skin friction on a pile develops when:
सही उत्तर: घ) The surrounding soil settles more than the pile
Downward drag occurs when soil (e.g. fresh fill over soft clay) moves down relative to the pile.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Under-reamed piles are especially suitable for:
सही उत्तर: क) Expansive black cotton soils
Bulbs of under-reamed piles anchor the structure against swelling and shrinkage.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A raft (mat) foundation is generally preferred when:
सही उत्तर: ख) Individual footings would cover more than about half the building area
When footings would overlap or cover most of the area, a single raft is economical.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A rise of water table from great depth up to the base of a footing on sand causes the Nγ (width) term of bearing capacity to:
सही उत्तर: ख) Reduce by about 50%
Submerged unit weight is roughly half the bulk unit weight, halving the γ term.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For φ = 0 (purely cohesive soil), Terzaghi's bearing capacity factor Nq is:
सही उत्तर: ग) 1
When φ = 0, Nq = 1 and Nγ = 0.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For local shear failure, Terzaghi reduced the cohesion and friction parameters by taking:
सही उत्तर: घ) c' = (2/3)c and tanφ' = (2/3)tanφ
Terzaghi's local shear correction uses two-thirds of c and tanφ.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A footing has net ultimate bearing capacity 300 kPa at depth 1 m in soil of γ = 18 kN/m³. With factor of safety 3, the safe bearing capacity is:
सही उत्तर: क) 118 kPa
qs = qnu/F + γDf = 100 + 18 = 118 kPa.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Using Terzaghi's theory (Nc = 5.7, φ = 0), the net ultimate bearing capacity of a strip footing on clay with c = 40 kPa is:
सही उत्तर: क) 228 kPa
qnu = cNc = 40 x 5.7 = 228 kPa.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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According to Terzaghi, a foundation is classified as shallow when its depth is:
सही उत्तर: ख) Less than or equal to its width
Terzaghi defines a shallow foundation as Df ≤ B.
💬 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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