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A steel beam is built up from a W = 410 × 85 wide flange beam and two 180 mm × 9 mm cover plates (see figure). The allowable load in shear on each bolt is 9.8 kN. What is the required bolt spacing s in the longitudinal direction if the shear force V = 110 kN (Note: Obtain the dimensions and moment of inertia of the W shape from Table E-1(b).
Consider the classical adiabatic saturation process in which a stream of is mixed adiabatically and isobarically (T1)with a stream of liquid water in order (T2) to become a saturated air +water vapor mixture . Show that the adiabatic saturation tempe..
Saturated liquid steam at 2 MPa steadily enters a valve where it is throttled to 0.3 MPa. The inlet and outlet diameter is 1 cm. The flow rate is 0.012 kg/s. Determine the outlet density [kg/m3] of the steam. Also show that it is reasonable to neglec..
a first-order system with a time constant equal to 10 ms is subjected to a sinusoidal forcing with an input amplitude
what is the cooling temperature range obtained by thermoelectric refrigeration?
a heat exchanger brings 9 kgs water from 250 c to 600 c at 2000 kpa using air coming in at 1300 k and leaving at 450k.
Find expression for the isothermal compressibility and coefficient of thermal expansion for a fluid that is described by the van der waals equation of state. Expression should be in term of measurable properties.
a slab of aluminum of area 2m2 and with a mass 9 kg is lying on some insulation on the surface of the moon during
A dam spillway is tested with a 1/30th scale model, matching the Froude number. The flow over the dam has an average velocity of 0.6 m/s and a volume flow rate of 0.08 m^3/s.
A water fountain consume 24.1 amps (operating at 110 V) to chill water from 23 C to 5 C. It is known that heat is rejected from the unit at a rate of 9.5 kW. Assuming steady flow operation and constant specific heat for water (at 25 C)
Air at 14.7 psia, 50°F (DB), and 60% relative humidity is first heated to 110°F (DB) and then humidified by introducing water using an “air washer.” The air leaves the humidifying section at 70°F (DB).
Assuming the pulley is a uniform disk with a mass of 0.31 {rm kg}, find the speed of the block after it has fallen through a height of 0.50 {rm m}.
when the rope it at an angle of 30 degrees the 2 lb sphere a has an initial speed of 2 fts. the coefficient of
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