Neglecting spherical excess, the angles of the triangle are adjusted, from the following are the observed values
∠A= 48°; weight = 3
∠B= 76°; weight = 1
∠C= 55°; weight = 2
Adjusted value of angle B will be __________
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Solution
A soil has a field capacity of 25 percent and wilting coefficient of 12%. The dry unit weight of soil is 1.5 gm/cc. If the root zone depth is 75 cm and the irrigation water is applied when moisture content falls to 17%.The water application efficiency is 80% then the depth of water required to be applied will be _______ cm.
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Solution
The average flow of traffic on cross roads A & B, both 2lane, during design period are 850 pcu per hour and 500pcu per hour respectively. The all red time required for pedestrian crossing is 12 secs. The saturation headway is 2.3 sec. Max.green time available on the two phase is ______ sec. (Use Webster’s Method)
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Solution
A bar of uniform section is subjected to axial tensile loads such that the normal strain in the axial direction is 2 mm perm. If the poisson’s ratio of the material of the bar is 0.4 the volumetric strain will be_________ × 10–4
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Solution
For the section shown in figure, two semi-circular portions are cut. The algebric sum of moment of Inertia about the centroidal axis is ______ cm4.
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Solution
If L is the length of vehicles in metres, C is the clear distance between two consecutive vehicles (stopping sight distance), V is the speed of vehicles in km/hour,the maximum number N of vehicles per hour, is
In a wide rectangular channel, the small surface waves are caused due to disturbance by a throwing a stone, were seen to make at 5 m/sec downstream and 2.5 m/sec upstream(with referance to banks). The depth of flow and mean flow velocity are respectively, nearly
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Solution
A machinecosting ₹8500/- will have a scrap value of ₹300/- machine of this class will have a working hour average life of 25000 hours. If the machine is operated for the total of 1500 hours. Then by using straight line method of depriciation, the depriciation charge at the end of first year will be ₹________.
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Solution
(8500 - 300)25000-\(\frac{1500}{25000}\)= At the end of first year.
So ₹492/-
A U-tube shown is closed at A and open at B. It is filled with water. The accelration to the right needed to make the pressure at C atmospheric is
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Solution
Figure shows a rectangular flash board ABC which is pivoted at B. Then the maximum height H upto which the water can be filled so that the flash board will be on the verge of tipping is _____ m.
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