RRB_exams > RRB > RRB_Se_Exam_2014_yellow_colour
1) The surveying instrument which is used for rapid measurements ot distance to target, which operates electronically or electro-optically and measures distance indirectly, is
A) prismatic compassB) tacheometer
C) sextantD) pentaprism
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Answer : pentaprism

2) While taking measurement using vernier callipers, zero error is always ____ from measured length
A) algebraically subtractedB) ignored
C) algebraically addedD) multiplied by 2 and then algebraically
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Answer : algebraically added

3) A total of 324 coins of 20 paise and 25 paise make a sum of Rs.71. the number of 20 paise coins is
A) 124B) 144
C) 150D) 200
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Answer : 200

4) The main advantage of the just-in-time production (JIT) is
A) low rejection rateB) low inventory-carrying costs
C) fast detection of defectsD) production of high quality products
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Answer : low inventory-carrying costs

5) If the price of milk goes up by 33 1/3 PERC, what should be the percentage by which its consumption must be reduced so that the expenditure on it remains unchanged
A) 25 PERCB) 30 PERC
C) 33 1/3 PERCD) 40 PERC
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Answer : 33 1/3 PERC

6) Two sound waves having equal amplitude but slightly different frequencies f\ and f2, produce beats whose frequency is
A) f1 X f2B) 2 X f1 X f2
C) |f1 - f2|D) f1 + f2
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Answer : |f1 - f2|

7) A room is 12 m long, 4 m broad and 3 m high. Find the length of the longest possible rod that can be placed within it
A) 12 mB) 13 m
C) 14 mD) 15 m
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Answer : 13 m

8) The wind system which has the highest air pressure at the centre and lowest air pressure at the outer margins are known as
A) cycloneB) jet stream
C) anticycloneD) tornado
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Answer : tornado

9) The speeds of three trains are in the ratio 3:4:5. The ratio between the times taken by the fixed distance u
A) 3 : 4 : 5B) 5 : 4 : 3
C) 20 : 15 : 12D) 12 : 15 : 20
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Answer : 20 : 15 : 12

10) The maximum shear stress occurs on
A) 45 with principal planesB) principal planes
C) 30 with principal planesD) 90 with principal planes
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Answer : 45 with principal planes