76. Year’s purchase for an old building if its future life is 15 years and the rale of interest is 7% on capital and 4% for sinking fund. :
77. A beam of span / carries a concentrated load P at mid span. Work dune by the external loadis:
78. Find the shortest length L for a pin ended steel column having a cross section of 60mm x 100 mm for which Euler's formula applies. Take Ex - 2 103 N/mm2 and criticalproportional limit is 250 N/mm2:
79. Which method of analysis of water distribution system is most suitable for long ami narrow pipe system?
80. For disinfecting water supply, it is required to treat 5,00,000 litres of daily supply with 0.5 ppm of chlorine, if the disinfectant is available in the form of bleaching powder containing 30% of available chlorine, the amount of bleaching powder required to treat the, daily flow of water is:
81. In water treatment settling unit, water having a temperature of 20 Degree Centigrade carries solid particles with average diameter of 0.05 mm mid specific gravity 1.29. Given y = 1.01 centi stokes. Settling velocity of settling particles is :
82. A main sewer is to be designed to receive a flow from l km2 area of a community where the population density is 200 persong/ha. 'The average sewage flow is 150 litres per capita per day. Assume peak factor = 3- The design flow for die main sewer is :
83. At shut off head of o centrifugal pump, the discharge is :
84. The minimum dissolved oxygen which should always, be present in water in order to save aquatic life is :
85. In the case of surface water with apll range of 6 to 8, which is the most suitable coagulant-:
86. The strength of chlorine in fresh bleaching powder is:
87. Estimated the quantity of secondary sludge produced by a secondary settling tank treating sewagn discharge of 3.5 mid. The sludge may be assumed to have a solid concentration of 200 mg/1, removal efficiency of suspended solids us 90% and the solid content of the sludge as 6 per cent:
88. The equation used for experimental measurement of viscosity is ;
89. Bernoullis equation is derived starting from :
90. Orifice meter is used for measuring :
91. Optical Pyrometer working principle is based on :
92. Froude number is directly proportional to :
93. Centrifuging in Ball mills occur when the speed is :
94. Peclet Number NPe is the product of ;
95. LMTD correction factors are used for :
96. Slugging ill fluidized beds occur whop :
97. Michael is- Menton parameters can he evaluated
98. In the CGS system 1 stoke is defined as :
99. Boiling Point Elevation of solutionft;strongly influences :
100. At all humidities 01 her than zero or hundred percentage, percentage humidity is :
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