इन्जिनियरिङ सेवा असिस्टेन्ट सब-इन्जिनियर (चौथो तह) – प्राविधिक पत्र
इन्जिनियरिङ सेवा – असिस्टेन्ट सब-इन्जिनियर (चौथो तह)
Assistant Sub-Engineer – 4th 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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The most widely used disinfectant for public water supply is:
सही उत्तर: ख) Chlorine
Chlorine is cheap, effective and leaves a residual that protects water in the distribution system.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The most commonly used coagulant in water treatment is:
सही उत्तर: ख) Alum (aluminium sulphate)
Alum forms flocs that trap suspended particles during coagulation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The standard BOD test is conducted for:
सही उत्तर: घ) 5 days at 20°C
BOD5 at 20°C is the standard measure of biodegradable organic matter.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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An activity has duration 8 days, earliest start time 5 days and latest finish time 20 days. Its total float is:
सही उत्तर: क) 7 days
Total float = LFT - EST - duration = 20 - 5 - 8 = 7 days.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A bar chart used for scheduling construction activities is also known as:
सही उत्तर: ख) Gantt chart
The bar chart was developed by Henry Gantt and is called a Gantt chart.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The unit of measurement for cement plastering in an estimate is:
सही उत्तर: क) Square metre (m²)
Plastering is a surface finish and is measured by area in m².
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In PERT, an activity has optimistic time 4 days, most likely time 6 days and pessimistic time 14 days. Its expected time is:
सही उत्तर: ख) 7 days
te = (to + 4tm + tp)/6 = (4 + 24 + 14)/6 = 7 days.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a CPM network, the critical path is the path that:
सही उत्तर: ग) Has the longest total duration with zero total float
The critical path is the longest path; its activities have zero float and determine project duration.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A hydraulic jump formed downstream of a spillway is mainly useful for:
सही उत्तर: घ) Dissipating excess energy of flowing water
The hydraulic jump converts supercritical to subcritical flow with large energy loss, protecting the bed.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In open channel flow, when the Froude number is less than 1, the flow is:
सही उत्तर: क) Subcritical
Fr < 1 indicates subcritical (tranquil) flow.
💬 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।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।