सिभिल इन्जिनियरिङ

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

3151. A Ghat tracer (or De Lisle's clinometer) is used for:

      कLocating points along a line of uniform gradient on hill slopes खMeasuring horizontal angles precisely गMeasuring water depths घCentring a plane table
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3152. The radial line method of indirect contouring, in which spot levels are taken along lines radiating from a central point, is best suited to:

      कHilly areas such as a conical hill खFlat areas with little relief गLong narrow strips such as roads घUnderwater surveys
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3153. In the direct method of contouring:

      कSpot levels at grid corners are taken and contours are interpolated खContours are traced from aerial photographs only गPoints lying exactly on selected contours are located on the ground and then plotted घContours are drawn by joining ridge and valley lines
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3154. Where there is a vertical cliff, contour lines on a map:

      कForm closed loops with increasing values inward खBecome widely spaced गCross each other घCoincide and appear as a single line
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3155. Whether two points are intervisible can be checked from a contour map by:

      कCounting the number of contours on the map खDrawing the ground profile (section) along the line joining them गMeasuring the area enclosed by the contours घFinding the bearing of the line
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3156. The hypsometer determines the altitude of a place by measuring:

      कThe boiling point of water at that place खThe vertical angle to a known peak गThe magnetic dip घThe length of a pendulum
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3157. After levelling from a benchmark to a set of points, running a line of levels back to the starting benchmark to verify the work is called:

      कReciprocal levelling खCheck levelling गBarometric levelling घProfile levelling
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3158. In a two-peg test, with the level midway between A and B the readings are A = 1.500 m, B = 1.000 m. With the level close to A the readings are A = 1.400 m, B = 0.960 m. The line of collimation is:

      कInclined downwards, giving an error of 0.060 m at B खCorrectly adjusted गInclined upwards, giving an error of 0.040 m at B घInclined upwards, giving an error of 0.060 m at B
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3159. From a benchmark of RL 100.000 m, a back sight of 1.200 m is taken; then a fore sight of 2.500 m on a change point, after which the level is shifted and a back sight of 1.800 m is taken on the same change point. The height of instrument at the second set-up is:

      क100.500 m ख101.200 m ग98.700 m घ102.300 m
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।

3160. A levelling staff fitted with a sliding target, which the staffman moves and reads on the instrument person's signals, is called a:

      कTarget staff खSelf-reading staff गFolding staff घTelescopic staff
      💬 टिप्पणी / गल्ती रिपोर्ट (०)

      छलफल / प्रश्न उत्तरमा गल्ती छ

      पठाउनुहोस्

      टिप्पणी जाँचपछि मात्र देखिन्छ।