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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The liquidity index of a soil with natural water content w, liquid limit LL, plastic limit PL and plasticity index PI is:
सही उत्तर: ग) (w − PL)/PI
Liquidity index IL = (w − PL)/PI; (LL − w)/PI is the consistency index.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a tree trunk, the inner, darker and more durable portion of the wood is called the:
सही उत्तर: ख) Heartwood
Heartwood is the dead, mature inner wood; it is darker, harder and more durable than the outer sapwood.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Quicklime, obtained by calcining limestone, is chemically:
सही उत्तर: क) Calcium oxide (CaO)
Burning limestone drives off CO₂ (CaCO₃ → CaO + CO₂), leaving quicklime, CaO.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In an oil paint, the liquid that carries the pigment and binds it to the surface (the vehicle) is commonly:
सही उत्तर: घ) Linseed oil
Linseed oil is the vehicle; turpentine is the thinner, white lead a base pigment and litharge a drier.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Several bidders secretly agree on the prices each will quote so that a pre-selected firm wins a public contract. This practice is called:
सही उत्तर: ग) Bid rigging (collusive bidding)
Collusion among bidders to fix prices or winners is bid rigging, a corrupt and unethical practice in procurement.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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An engineer copies a design report prepared by another consultant and submits it under his own name. This mainly violates the ethical principle of:
सही उत्तर: ख) Honesty and giving proper credit for others' work
Presenting another person's work as one's own is plagiarism; ethics require engineers to be honest and credit others' work.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Bulking of sand refers to:
सही उत्तर: क) Increase in volume of sand caused by surface moisture films
Moisture films around grains push them apart, increasing the volume of damp sand; volume batching must allow for this.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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As per the Indian standard for ordinary Portland cement, the final setting time should not exceed:
सही उत्तर: घ) 600 minutes
OPC must have an initial setting time of at least 30 minutes and a final setting time of not more than 600 minutes (10 hours).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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As per IS 456 (Table 5), for 'mild' exposure in reinforced concrete, the maximum free water-cement ratio is:
सही उत्तर: ग) 0.55
IS 456 Table 5 limits the maximum free w/c ratio for RCC to 0.55 for mild exposure (0.50 moderate, 0.45 severe).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Honeycombing in hardened concrete is mainly the result of:
सही उत्तर: ख) Inadequate compaction or segregation
Honeycombs are voids left where mortar has not filled the spaces between coarse aggregate, due to poor compaction or segregation.
💬 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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