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 prime coat in road construction is applied:
सही उत्तर: ग) Over a porous granular (e.g. WBM) base before laying a bituminous layer
A low-viscosity bitumen prime coat penetrates and seals a granular base and helps it bond with the bituminous layer above.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The grade of paving bitumen (e.g. 60/70 or 80/100) is traditionally designated by the result of the:
सही उत्तर: ख) Penetration test
Penetration grade gives the depth (in 0.1 mm) a standard needle penetrates at 25°C; 80/100 means penetration between 80 and 100.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The Marshall test is used in the design of:
सही उत्तर: क) Bituminous mixes
Marshall stability and flow values are used to select the optimum binder content of hot-mix bituminous concrete.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the PIEV theory of driver reaction used in highway design, the letters stand for:
सही उत्तर: घ) Perception, Intellection, Emotion, Volition
PIEV describes the stages of a driver's reaction time used to compute lag distance in sight distance calculations.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Under an item rate (unit rate) contract, the contractor is paid on the basis of:
सही उत्तर: ग) Measured quantities of work done multiplied by the quoted unit rates
In an item rate contract the bidder quotes rates for each item in the bill of quantities, and payment is made on measured quantities.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In traverse computations, the latitude of a survey line of length L and reduced bearing θ is:
सही उत्तर: ख) L cos θ
Latitude (north-south component) = L cos θ; departure (east-west component) = L sin θ.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The scale of a vertical aerial photograph taken with a camera of focal length 150 mm from a flying height of 1,500 m above flat ground is:
सही उत्तर: क) 1:10,000
Scale = f/H = 0.15 m / 1500 m = 1/10,000.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the rise and fall method of reducing levels, the arithmetic check is:
सही उत्तर: घ) ΣBS − ΣFS = ΣRise − ΣFall = Last RL − First RL
In the rise and fall method all three quantities must agree, which also checks intermediate sights.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A simple circular curve has a radius of 200 m and a deflection angle of 90°. Its length is about:
सही उत्तर: ग) 314.2 m
Length of curve = πRΔ/180 = π × 200 × 90/180 = 100π ≈ 314.2 m.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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For a simple circular curve of radius R and deflection angle Δ, the tangent length is:
सही उत्तर: ख) R tan(Δ/2)
Tangent length T = R tan(Δ/2); 2R sin(Δ/2) is the long chord and R(1 − cos(Δ/2)) the mid-ordinate.
💬 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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