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Water at 90 C flows through a 50mm bore steel pipe of wall thickness 8 mm. Ambient temperature is 18 C.
Calculate the power transmitted if the maximum permissible tension is 1kN and the coefficient of friction is 0.25 if the motor rotates at 1450rpm.
It has travelled from its mean position for half the time required to reach its extreme position.
Estimate what fraction of the price of a pocket calculator is required to cover the cost of developing the product.
A turbofan engine on a test stand in the maintenance shop is being run at a continuous setting of 22,700 lbs of thrust.
A cylindrical specimen of a titanium alloy with a Young's modulus of 107 GPa has an original length of 250mm and a diameter of 3.8mm.
Aluminium is extracted from its ore by an electrolytic process. One extraction plant uses an applied e.m.f. of 5 V, and a current of 225 000 A.
A spherical habitat is built under the Martian surface. There is power generation in the habitat. This causes the surface to be at a uniform temperature of 30°C
The ends of the green shaft are each connected to a motor - one on either side of the platform.
Bearing have forces 5kN and 3kN acting in same plane as shown. A single mass is to be used to balance the shaft so that reactions are zero.
Molybdenum is utilized in high temperature situations because of it high melting point. It is silvery white in color, very hard.
Calculate the magnitude and direction of the torque required to hold the gearbox stationary (holding torque T_h).
An orthotropic lamina with a fiber orientation of 45 degrees is subjected to stresses sigma_x = 0, sigma_y > 0, and tau_xy.
That is, the air exiting the tower passes over cooling coils to return it to its initial condition prior to reentering the tower.
Calculate the rates of strain, vorticity, and rates of dilatation for 3 flows.
A source of water supply water with a Cationic content ( and Anionic content also ) of 123.75 ppm of CaCO3, and a Silica content ( SiO2 ) of 55.6 ppm of CaCO3.
If each bolt has to be strong enough to support 1/2 the weight of a filled boiler, what will be the diameter of the bolts?
Determine the force on the piston of Fig. due to shear and the leakage from the pressure chamber for U=0.
A projectile enters a resisting medium at x = 0 with an initial velocity Vo = 900 ft/s and travels 4in. before coming to rest.
Determine the required outer radius of the jacket noting that the maximum hoop stress is 400 MPa, that is, -400 <= sigma_theta <= 400 Mpa.
Concerning the effective matching of surface roughness using a lathe, quantify Ra = C1* s^C2 v^C3 Re^C4.
An oven door consists of a layer of asbestos sandwiched between a layer of steel on the inner surface and a layer of wood on the outer face.
A loaded coaltruck is parked at the top of an inclined track. it breaks free and rolls down the incline accelerating uniformly where it collides.
If the final pressure in the tank is 1.5 atm, what is the final temperature in the tank?
The mass rate of flow into a steam turbine is 4500 kg/h and the heat transfer from the turbine is 8.8 kW.