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1. The dam shown below is 100 m wide. Determine the magnitude and location of the force on the inclined surface.2. The float in a toilet tank is a sphere of radius R and is made of a material with ρ. An upward buoyant force F is required to shut the ballcock valve. The density of water is designated ρw. Develop an expression for x, the fraction of the float submerged, in terms of R, ρ, F, g, and ρw.
Determine the maximum normal strain emax produced in a steel wire of diameter d 1/16 in. when it is bent around a cylindrical drum of radius R 24 in. (see figure).
A power plant produces 1000 MW of electricity and uses residential oil as the fuel. The oil has a heating value, the maximum energy liberated in combustion, of 43 000 kJ/kg. The overall efficiency of the power plant is 52%.
A fire water system on an oil rig is supplied by an electric motor driving a mechanical pump. A fire detection system is installed that normally starts the motor automatically but which can be set to manual override. The electric motor is normally..
a balloon behaves so the pressure is p c2v13 c2 100 kpam. the balloon is blown up with air from a starting volume of
a steam power plant operates with a boiler output of 20 kgs steam at 2 mpa 600degc. the condenser operates at 50degc
a car travels along a road which for a short distance is defined by r200theta ft where theta is in radians. if it
A small vapor-compression refrigeration unit is to be built into a recreational vehicle and is designed to operate on a 12-volt electrical system. The refrigerator has a cooling capacity of 500 W and uses R-134a. The refrigerant enters the compressor..
The capillary rise, h, of a liquid in a tube varies with tube diameter, d, gravity, g, fluid density, p, surface tension, Y, and the contact angle, B. (a) Find the dimensionless form of this statement. (b) If h = 3 [cm] in a given experiment, what wi..
consider a carnot heat-engine cycle executed in a closed system using 0.02kg of refrigerant-134a as the working fluid.
Water of kinematic viscosity 0.000001 m2/s flows through a smooth tube 32mm diameter with a mean velocity of 2 m/s. determine the pressure gradient per unit length necessary
a chute at a factory is 18 wide and 14 deep. a gate opens and closes at a rate which dispenses the proper amount. when
consider the annulus formed between a rod of radius r0 and a tube of radius r1. find the velocity profile for couette
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