सिभिल इन्जिनियरिङ
सिभिल इन्जिनियरिङ
Civil Engineering · ५,१७१ प्रश्न
५,१७१ प्रश्न उपलब्ध। मोड छान्नुहोस्:
सिभिल इन्जिनियरिङ: 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 method of showing relief on a map by short lines drawn in the direction of the steepest slope, thicker and closer for steeper slopes, is called:
सही उत्तर: क) Hachuring
Hachures indicate slope direction and steepness but do not give actual elevations.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Dual-frequency GNSS receivers are preferred for precise surveying mainly because they can:
सही उत्तर: घ) Eliminate most of the ionospheric delay by combining measurements on two frequencies
Ionospheric delay depends on frequency, so observations on two frequencies allow it to be computed and removed.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The GPS satellite constellation is arranged in how many orbital planes, inclined at about 55° to the equator?
सही उत्तर: ग) 6
GPS satellites are distributed in six orbital planes inclined at about 55°.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The frequency of the GPS L1 carrier signal is:
सही उत्तर: ख) 1575.42 MHz
GPS L1 is 1575.42 MHz and L2 is 1227.60 MHz.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which country has developed and operates the BeiDou satellite navigation system?
सही उत्तर: क) China
BeiDou is China's GNSS; NavIC is India's regional system, QZSS is Japan's and Galileo is the EU's.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Mean sea level at a tide gauge station is properly determined by averaging hourly tide readings over a period of about:
सही उत्तर: घ) 19 years
The lunar nodal cycle is about 18.6 years, so MSL is averaged over roughly 19 years to remove its effect.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Spring tides, with the largest range between high and low water, occur:
सही उत्तर: ग) Near new moon and full moon
At new and full moon the sun and moon are in line, so their tidal forces add up; neap tides occur at the quarters.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In hydrographic surveying, a lead line is used for:
सही उत्तर: ख) Measuring depths by lowering a weighted, graduated line to the bed
A lead line is a graduated rope or chain with a lead weight, used for soundings in moderate depths.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In Indian and Nepali practice, the degree of a curve based on the chord definition is generally used for:
सही उत्तर: क) Railway curves
The chord definition is commonly used for railways and the arc definition for highways.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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When soil is excavated, its volume increases compared with its volume in the natural state. This increase is known as:
सही उत्तर: घ) Swell (bulking) of the soil
Loosened soil occupies more volume than in situ, which must be allowed for in earthwork haulage calculations.
💬 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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