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1.What is the difference between epoxy grout, cement grout and cement mortar?
2.What is the difference in application between open stirrups and closed stirrups in concrete beams?
3.Sometimes the side of concrete bridges is observed to turn black in colour. What is the reason for this phenomenon?
4.For long slender structures like beams, propping is required after removal of formwork. Why?
5.What is the difference between working stress approach and limit state approach?
Use the bisection method to find the root of the equation f(x) = x 2 - 4sin(x) = 0. For initial bracketing interval [a,b] , take a=1 and b = 3.
the roller coaster track consists of a circle in a vertical plane of radius 150m. find the magnitude of the total acceleration of the roller coaster if, at the time shown, the car is moving at 50 km/hr and is gaining speed at the rate of 0.4g
suppose you apply a force of 14.4 N to a spring and it stretches 2.4 cm. what is the spring constant?
if a ball is dropped from a height of 800 cemtimeters, and the impact velocity is 41 feet per second, determine the value of gravity in units of meters per second.
A grit chamber is designed for a flow-through velocity of 0.30 m/s, a depth of 0.9 m, and a length of 10.5 m. If inorganic particles have a specific gravity of 2.65,
When stationary, vehicles are spaced at average distance headway of 6 m. It may be assumed that there is a linear relationship between speed and density. When the traffic flow approaching the roadworks is 3500 vehicles per hour
a wheel barrow is used to lift a 200lb load. the lenght from the wheel axle to the center of the load is 2ft. the length from the wheel and axle to the effort is 5 ft. illustrate and annotate the lever system.
A room has 10 cotton spinning looms. Once the looms are set up, they run automatically. The setup time is exponentially distributed, with mean 10 minutes. The machines run for an average of 40 minutes, also exponentially distributed.
TCE from a spill accumulates in a depression of a parking lot. Estimate how fast the solvent volatilizes (in g of TCE per cm^2 per unit time) when these conditions exist: a. The wind speed is 2 m/sec and temperature is 20 degrees Celcius.
Estimate the effective friction angle for the sand (assume c' = 0). Calculate the sand's shear strength (τf) on a horizontal plane at depths of the 20 ft and 50 ft.
Find the depth and the top width of a v-notch capable of discharging a maximum of .7m^3/s and such that the head shall be 75mm for a discharge of 5.6 liters per second.
Assuming that the nozzle is well insulated and operating at steady state and that the air behaves as an ideal gas, calculate (a) the mass flow rate of air in kg/s, (b) the exit area of the nozzle in m^2,
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