इन्जिनियरिङ सेवा सिभिल इन्जिनियर (सातौँ तह) – प्राविधिक पत्र
इन्जिनियरिङ सेवा – सिभिल इन्जिनियर (सातौँ तह)
Civil Engineer – 7th Level · Engineering Service
१,९४० 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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From station A (N 1000.00 m, E 1000.00 m), a line 100 m long has a whole circle bearing of 45°. The coordinates of B are:
सही उत्तर: ग) N 1070.71 m, E 1070.71 m
ΔN = 100 cos 45° = 70.71 m and ΔE = 100 sin 45° = 70.71 m, so B is (1070.71, 1070.71).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A closed traverse has a perimeter of 1000 m and a closing error in latitude of 0.5 m. Using Bowditch's rule, the correction to the latitude of a line 200 m long is:
सही उत्तर: ख) 0.1 m
Correction = error × (length of line/perimeter) = 0.5 × 200/1000 = 0.1 m (with sign opposite to the error).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the 'fast needle' method of theodolite traversing:
सही उत्तर: ग) The magnetic bearing of the first line is observed and the bearings of other lines are obtained via the theodolite, with the needle clamped
In the fast needle method the needle is used only to orient the instrument at the start; bearings are then carried forward by angular measurement.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A theodolite main scale is divided into 20' divisions, and 40 vernier divisions equal 39 main scale divisions. The least count is:
सही उत्तर: ख) 30"
Least count = value of one main division ÷ number of vernier divisions = 20' ÷ 40 = 0.5' = 30".
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a theodolite, the index error of the vertical circle is eliminated by:
सही उत्तर: क) Taking the mean of face left and face right observations
Index error affects face left and face right readings equally and oppositely, so their mean is free of it.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A horizontal angle is measured by repetition 6 times starting from 0°00'00". The final reading, with no complete revolution of the plates, is 120°03'00". The value of the angle is:
सही उत्तर: ख) 20°00'30"
Angle = final reading ÷ number of repetitions = 120°03'00" ÷ 6 = 20°00'30".
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The spire test in theodolite adjustment is used to make:
सही उत्तर: घ) The horizontal (trunnion) axis perpendicular to the vertical axis
In the spire test, a high point is sighted and the telescope depressed in both faces; if the projected points differ, the horizontal axis is adjusted.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a transit theodolite, the verniers of the vertical circle are carried by the:
सही उत्तर: ग) Index frame (T-frame)
The vertical circle rotates with the telescope, while its verniers are mounted on the index (T) frame, which carries the altitude bubble.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which statement about contour lines is correct?
सही उत्तर: क) Every contour line closes on itself, either within or outside the limits of the map
Since a contour joins all points at one elevation, it must form a closed loop, though the loop may extend beyond the map sheet.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A Ghat tracer (or De Lisle's clinometer) is used for:
सही उत्तर: क) Locating points along a line of uniform gradient on hill slopes
The Ghat tracer sets out a given gradient (e.g., for hill roads) by sighting a target set at the instrument height on a staff.
💬 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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