इन्जिनियरिङ काउन्सिल (NEC) – Engineering Council (NEC) MCQ
इन्जिनियरिङ काउन्सिल (NEC) – लाइसेन्स परीक्षा
Engineering Council (NEC) · Nepal Professional License Exams · ५९७ प्रश्न
५९७ प्रश्न उपलब्ध। मोड छान्नुहोस्:
इन्जिनियरिङ काउन्सिल (NEC): 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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When a registered engineer is asked by a client to review the work of another engineer, professional ethics generally require the reviewer to:
सही उत्तर: क) Inform the engineer whose work is being reviewed, unless that engineer's engagement has ended
Ethical codes expect engineers to deal fairly with colleagues, so the other engineer should normally be informed of the review.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the field, the in-place dry density of a compacted cohesive soil fill is commonly determined using the:
सही उत्तर: घ) Core cutter method
The core cutter method drives a cylinder of known volume into soft cohesive soil to find bulk density and, with water content, dry density.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For a dry cohesionless infinite slope inclined at angle i, the factor of safety against sliding is:
सही उत्तर: ग) tan φ / tan i
For a dry cohesionless slope, F = tan φ / tan i, so the slope is stable as long as i is less than φ.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In Terzaghi's one-dimensional consolidation theory, the time factor for 50% average degree of consolidation is approximately:
सही उत्तर: ख) 0.197
Tv ≈ (π/4)U² for U ≤ 60%, giving Tv = 0.197 at U = 50%; Tv = 0.848 corresponds to 90%.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Terzaghi and Peck's empirical relation for the compression index of an undisturbed normally consolidated clay of low to medium sensitivity is Cc =
सही उत्तर: क) 0.009(LL − 10)
Terzaghi and Peck proposed Cc = 0.009(wL − 10), with the liquid limit in percent.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Using a flow net with Nf flow channels and Nd equipotential drops, the seepage per unit width under a total head loss H through soil of permeability k is:
सही उत्तर: घ) k H Nf/Nd
From a flow net, q = k H (Nf/Nd), where Nf/Nd is the shape factor.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The falling (variable) head permeability test is most suitable for:
सही उत्तर: ग) Relatively less permeable soils such as fine sands and silts
For low-permeability soils, discharge is too small to measure in a constant head test, so the falling head method is used.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In Casagrande's liquid limit apparatus, the liquid limit is the water content at which the standard groove closes over about 13 mm after:
सही उत्तर: ख) 25 blows
The liquid limit is read from the flow curve as the water content corresponding to 25 blows.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The sensitivity of a clay is defined as the ratio of its:
सही उत्तर: क) Undisturbed unconfined compressive strength to remoulded strength at the same water content
Sensitivity St = qu(undisturbed)/qu(remoulded); it shows the loss of strength on remoulding.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Skempton defined the activity of a clay as the ratio of:
सही उत्तर: घ) Plasticity index to percentage of clay-size fraction (finer than 2 μm)
Activity = PI / (% finer than 2 μm); high activity indicates swelling minerals such as montmorillonite.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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