सर्भेक्षण – Surveying MCQ

सर्भेक्षण: प्रश्न र उत्तर

सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।

सही: ० / ०

291. 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।

292. 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।

293. 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।

294. 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।

295. The bearings on an ordinary prismatic compass can usually be read directly to:

     क20 seconds ख5 degrees ग1 second घ30 minutes
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

296. To counteract the dip of the magnetic needle in a compass, a small sliding weight is placed on the needle. It is called a:

     कBrake pin खLifting pin गAgate cap घRider
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

297. In a compass traverse, the observed bearings are: AB 50°00', BA 230°00', BC 120°00', CB 302°00', CD 80°00'. Stations A and B are free from local attraction. The corrected bearing of CD is:

     क82°00' ख80°00' ग76°00' घ78°00'
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

298. In a prismatic compass, the graduated ring:

     कRotates with the sight vane खIs attached to the magnetic needle and rotates with it गIs engraved on the glass cover घIs fixed to the box and does not move
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

299. In chain surveying, which of the following is an obstacle to both chaining and ranging?

     कA river खA small hillock गA pond घA building
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

300. The French cross staff, an octagonal brass tube with slits on its faces, is used to set out:

     कLines at 45° and 90° to a chain line खVertical angles गContour lines directly घOnly lines parallel to the chain line
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।