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A tensile test is run on a 0.625 inch diameter specimen of ASTM-36 Structural Steel that has a 2.1 inch gage length. What is the strain in the specimen at the yield point?
How much extra pressure does a pump need to add to ensure a waterline pressure of 30 psia at the top floor 450 ft above ground?
Determine the acceleration of the water particles that are at a distance d/2 from O (still within the horizontalportion of the pipe. Let d=9 inches.
The telescope mirror design was approved, and a container must be sized to support the load of the spinning mercury. What is the tension force in the container side-walls.
How many times could you push this 50 kg block of steel around the earth at its equator? Assume the coefficient of friction is 2.710.
If the chemical has a specific gravity of 1.59, calculate the pressure at the bottom of the tank. the tank is open to the atmosphere at the top.
What is the effect of surface tension on two neighboring bodies of 1) both bodies are wet by liquid b) neither bodies is wet c) one is wet by the liquid and other is not.
The motion of a particle is defined by the relation 2t^3-9t^2+12t+10, where x and t are expressed in feet and seconds respectively.
A container must be sized to support the load of the spinning mercury. What is the tension force in the container side-walls assuming that it supports all the pressure acting on the side-walls?
A vehicle is powered by motors that have a maximum speed of 5000 rpm. Each motor is coupled to the wheel using a gear mechanism. Calculate the required gear ratio if the vehicle's maximum speed is
By examining the dimensions of power (energy/time), determine a) the dimensions of drag, b) the value of drag in USCS units.
What is the pressure differeence between the inside of a soap bubble and the atmosphere for a 3 inch diameter bubble?
How soon after the beginning of the motion will the velocity of the ball different from its steady state velocity by n=1% ?
The diameter of the pipe connecting the reservoirs is 300mm and the speed of the water in the pipe is 2m/s. Find the maximum possible rate at which the turbine can produce energy.
A temperature scale is defined by the equation ts/ti = lim pi-0 (ps/pi)=1.36609 as in gas thermomery. Determine absolute numerical value of the steam and ice points on this scale
If an object has a density of 17 slugs/ft3, what is its density in SI units and would it be able to float? Determine the weight (in Newton) of an object with a mass of 2310/15
Draw a T-v diagram, including the vapor-dome, and show the process. Clearly indicate the phase of the water at each state.
A Harmonic motion is expressed as x(t) = 0.6cos(18pi*t - pi/6), where x(t) is measured in inches, t in seconds and the phase angle in radians. Determine: the amplitude of maximum displacement, veloc
If the cycle operates on a stationary mass of 1 kg of water, how much is the workdone per cycle, and how much is the heat supplied?
Draw the profile of the elctromagnetic torque (Tem) required from the motor as a function of time, please show calculations?
A keg of beer (Löwenbräu, SG = 1.11) has a small pinhole leak in it. The beer sprays vertically into the air to a height of 1.5 m. What is the pressure inside the beer can?
If the sprinkler at A is 1 m from the ground, then scale the necessary measurements from the photo to determine the approximate velocity of the water jet as it flows from the nozzle of the sprinkler
The following table lists temperatures and specific volumes of ammonia vapor at two pressures P= 50 psi P= 60 psi. Using the data provided here, determine by
The arguement of the sine are in radians, and t is in seconds. Determine the acceleration of the particle at theta=31 degrees. The particle starts from theta=0 degrees.
What is the maximum error of the linearly marked thermometer? What other source of error do you need to consider if you are interested in constructing very accurate thermometers?