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0 votes	2390 views	2 answers	Based on the Gaussian law of distribution of random errors, the number of errors that are expected to exceed the limit of ± a, where 0 represents the standard deviation, out of 1000 observations is updated 9 years ago by Civil Engineer
0 votes	2160 views	2 answers	In an old map, line PQ was drawn to a magnetic bearing of 6°32', the magnetic declination at that time being 1° East. The present magnetic declination is 9°42' East. The magnetic bearing to which the line is set at present is updated 9 years ago by Civil Engineer
0 votes	1421 views	0 answers	Which one of the following pressure units represents the LEAST pressure ? updated 9 years ago by Civil Engineer
0 votes	1641 views	2 answers	The loss of prestress due to shrinkage of concrete is the product of updated 9 years ago by Civil Engineer
0 votes	1631 views	2 answers	Soil at a site consists of two layers. The top layer has permeability k units and bottom layer has permeability 5k units. If the thickness of both the layers is equal, then what is the average permeability in the vertical direction ? updated 9 years ago by Civil Engineer
0 votes	2423 views	2 answers	The effective depth of a singly reinforced rectangular beam is 30 cm. The section is over-rein-forced and the neutral axis is 12 cm below the top. If the maximum stress attained by concrete is 50 kg/cm2 and the modular ratio is 18, then the stress developed in steel would be updated 9 years ago by Civil Engineer
0 votes	1737 views	2 answers	A sample of ground water at a pH of 7.0 contains 122 mg/l of bicarbonates. What is the alkalinity of this water (in terms of CaC0 ) ? updated 9 years ago by Civil Engineer
0 votes	1281 views	1 answer	A beam of uniform strength refers which one of the following ? updated 9 years ago by Civil Engineer
0 votes	1693 views	2 answers	When a single point load W travels over a simply supported beam, what is shape of the graph for maximum positive or negative shear force ? updated 9 years ago by Civil Engineer
0 votes	1330 views	1 answer	The optimistic, most likely, and pessimistic estimates of time for an activity are 4 days, 11 days and 12 days respectively. The expected completion time of this activity is updated 9 years ago by Civil Engineer