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A venturimeter with a throat diameter of 7.5 cm in a 15 cm diameter pipe. The pressure at entrance to the meter is 70 kpa and it is desired that the pressure at any point should not fall below 2.5m of water absolute. Determine the maximum flow rate of water through the meter. Take Cd=0.97 and atmosphere pressure as 100 kpa. (Hint, the pressure at the throat will be minimum. Hence p2/pg=2.5 m (abs).
Calculate the change in length of a 30m measuring tape made of steel when its temperature changes by 84 F. The coefficient of thermal expansion for steel is x = 3.1 x 10^-6 per C
Determine the velocity of slider block C at t=0, (b) the acceleration of A and C, (c) the change in position of block A after 5s.
Neglecting air resistance, determine the height a vertical jet of water will rise if projected with velocity 58 ft/ s.
Suppose a person invests a total of $10,000 in two accounts. One account earns 8% annually, and the other earns 9% annually. If the total interests earned from both accounts in a year is $860, how much was invested in each account?
Estimate teh excess solids production of an extended aeration process treating unsettled wastewater with a BOD of 200 mg/l and suspended solids concentration of 240 mg/l, assuming k=0.35.
Estimate the weight of concrete in a four-lane highway segment that begins as a 3% grade climb from 1000 feet altitude to 4000 feet and then a 6% downgrade to 2500 feet
The phone lines to an airline reservation system are occupied 40% of the time. assume that the events that the lines are occupied on successive calls are independent. assume that 20 calls are placed to the airline.
Distance AB is observed repeatedly using the same equipment and procedures - Determine the weighted mean for the angles - What is the area of a rectangle field and its estimated error for the recorded values.
what are the main points which create necessity of new railway line? explain in detail different types of surveys conducted in railway work.
How many watts of power would it take to heat 1 L of water(weighing 1.0 kg) by 10 degrees Celsius n 1.0 h? Assume no heat losses occur, so all of the energy expneded goes into heating the water.
A sample of 10 television tubes produced by a company showed a mean lifetime of 1200 hours and a standard deviation of 100 hours. Estimate
A sealed insulated room contains 90 m^3 air at 12 C and 100 kPa. A container with 45 kg of water at 95 C is placed in the room. After heat transfer between the air and water, thermal equilibrium is reached.
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