इन्जिनियरिङ सेवा सब-इन्जिनियर (पाँचौँ तह) – प्राविधिक पत्र
इन्जिनियरिङ सेवा – सब-इन्जिनियर (पाँचौँ तह)
Sub-Engineer – 5th Level · Engineering Service
५०३ 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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As per IS 456:2000 limit state design, the design yield strength of Fe 415 steel is approximately:
सही उत्तर: ख) 361 N/mm²
Design strength = 0.87 fy = 0.87 × 415 ≈ 361 N/mm².
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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As per IS 456:2000, the partial safety factor for reinforcing steel in the limit state of collapse is:
सही उत्तर: क) 1.15
IS 456 specifies γm = 1.15 for steel and 1.5 for concrete.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The principle used to obtain influence line diagrams by applying a unit displacement at the point of the required reaction or force is:
सही उत्तर: ग) Müller-Breslau principle
Müller-Breslau principle states the influence line has the shape of the deflected structure under a unit displacement of that response.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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At a point in a stressed body, the principal stresses are 80 N/mm² and 20 N/mm² (both tensile). The maximum shear stress in that plane is:
सही उत्तर: ग) 30 N/mm²
τ_max = (σ1 − σ2)/2 = (80 − 20)/2 = 30 N/mm².
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The rotational stiffness of a prismatic member (length L, rigidity EI) whose far end is hinged is:
सही उत्तर: ख) 3EI/L
With the far end pinned, stiffness reduces from 4EI/L to 3EI/L.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the moment distribution method, the carry-over factor for a prismatic member whose far end is fixed is:
सही उत्तर: घ) 1/2
A moment applied at one end of a prismatic member induces half that moment at the fixed far end.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following structures is statically determinate?
सही उत्तर: ग) Three-hinged arch
The extra internal hinge of a three-hinged arch gives one more equation, making it determinate.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A perfect plane truss has 6 joints. The number of members required is:
सही उत्तर: ख) 9
For a perfect plane truss m = 2j − 3 = 2 × 6 − 3 = 9.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For a solid circular column of diameter d, the maximum eccentricity of load for no tension in the section is:
सही उत्तर: क) d/8
The kern of a solid circular section is a concentric circle of diameter d/4, i.e. e ≤ d/8.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For a rectangular column section of width b, the maximum eccentricity of load along b for no tension to develop anywhere in the section is:
सही उत्तर: ग) b/6
The load must lie within the middle third (kern), i.e. e ≤ b/6 from the centroid.
💬 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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