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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A soil sample has a bulk unit weight of 19.8 kN/m³ and a water content of 10%. Its dry unit weight is:
सही उत्तर: ग) 18.0 kN/m³
γd = γ/(1 + w) = 19.8/1.10 = 18.0 kN/m³.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In post-tensioned prestressed concrete, the tendons are:
सही उत्तर: ख) Tensioned after the concrete has hardened and then anchored against it
In post-tensioning, tendons in ducts are stressed after the concrete gains strength and anchored at the ends; pre-tensioning stresses them before casting.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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As per IS 1077, the water absorption of common burnt clay bricks of classes up to 12.5, after 24 hours immersion in cold water, should not exceed:
सही उत्तर: घ) 20% by weight
IS 1077 limits water absorption to 20% by weight for these brick classes (15% for higher classes).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The chemical reaction of cement with water (hydration) is:
सही उत्तर: ख) Exothermic, releasing heat
Hydration of cement compounds releases heat, which is why mass concrete needs low-heat cement and temperature control.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Road tar, as distinct from bitumen, is obtained by:
सही उत्तर: क) Destructive distillation of coal or wood
Tar comes from destructive distillation of organic matter such as coal or wood, whereas bitumen is a residue of petroleum refining.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following ferrous materials has the highest carbon content?
सही उत्तर: ग) Cast iron
Cast iron contains about 2-4% carbon, far more than steels (generally below about 1.5%) and wrought iron (nearly pure).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Plywood is manufactured by gluing together:
सही उत्तर: घ) An odd number of veneers with the grain of adjacent layers at right angles
Cross-laminating an odd number of veneers balances the panel and gives strength and dimensional stability in both directions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Hydraulic lime differs from fat lime mainly because it:
सही उत्तर: ग) Can set and harden under water owing to its clay content
Clay impurities in hydraulic lime form silicates and aluminates that allow it to set in the presence of water, unlike fat (high-calcium) lime.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The type of stone masonry built with accurately dressed stones laid in fine, regular joints is called:
सही उत्तर: ख) Ashlar masonry
Ashlar masonry uses finely dressed blocks of uniform size with thin joints, the highest grade of stone masonry.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Marble, widely used for flooring and decorative work, is geologically a:
सही उत्तर: क) Metamorphic rock
Marble forms by metamorphism of limestone or dolomite under heat and pressure.
💬 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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