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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In the horizon system of celestial coordinates, the position of a star is given by its:
सही उत्तर: ख) Altitude and azimuth
The horizon system uses altitude above the horizon and azimuth measured along the horizon from north.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the gnomonic projection, a property useful for navigation planning is that:
सही उत्तर: क) All great circles appear as straight lines
Because projection is from the earth's centre, every great-circle route plots as a straight line.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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An 'equal-area' map projection is one that:
सही उत्तर: घ) Represents all areas in correct proportion to their true areas
Equal-area projections preserve area at the cost of shape; no projection can be both conformal and equal-area.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 'choropleth map' shows statistical data by:
सही उत्तर: ग) Shading or colouring predefined areas (such as districts) according to the value of a variable
Choropleth maps, e.g. population density by district, use graded colours for administrative units.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In GIS, 'digitising' a paper map means:
सही उत्तर: ख) Converting map features into digital (usually vector) coordinates
Features are traced on screen or on a digitising tablet to create digital points, lines and polygons.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In GIS, 'network analysis' is typically used to:
सही उत्तर: क) Find the shortest or quickest route between locations along roads or pipes
Network analysis works on connected line features to solve routing, service area and allocation problems.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A robotic total station differs from a conventional one mainly in that it:
सही उत्तर: घ) Has servo motors and automatic target recognition, so it can track a prism and be operated remotely by one person
Robotic instruments turn themselves to follow the prism, allowing single-person surveys and stake-out.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A pulse-type (time-of-flight) EDM determines distance by:
सही उत्तर: ग) Measuring the time taken by a short light pulse to travel to the target and back
Distance = speed of light × travel time ÷ 2; this method is common in reflectorless and long-range laser instruments.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The Master Control Station of the GPS control segment is located at:
सही उत्तर: ख) Schriever Space Force Base, Colorado, USA
The GPS master control station at Schriever (Colorado) computes orbit and clock data and uploads them via ground antennas.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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An 'elevation mask' (cut-off angle) of about 10° to 15° is set in a GNSS receiver in order to:
सही उत्तर: क) Exclude low satellites whose signals suffer more atmospheric delay and multipath
Signals from satellites near the horizon pass through more atmosphere and are more prone to multipath, so they are ignored.
💬 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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