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The local atmospheric pressure in Denver, Colorado (elevation 1610 m), is 83.4 kPa. Air at this pressure and at 30°C flows with a velocity of 6 m/s over a 2.5-m 8-m flat plate whose temperature is 120°C.
Determine the rate of heat transfer from the plate if the air flows parallel to the (a) 8-m-long side and (b) the 2.5-m side.
a fluid flows in a pipe with a sudden increase in its cross section as shown in the sketch. assume that the pressure in
XYZ manufacturing department holding training class for all workforces due to safety and security concern. The average training day on the program is 50 days and the normally distributed random variable with standard deviation of 10 days.
1. a circular hovercraft is to levitate at a gap height of 2.5 mm after picking up a payload. the hovercraft has a
a rocket of initial mass m0 including shell and fuel is red vertically at time t 0. the fuel is consumed at a constant
the combustion chamber of an internal combustion engine is at a temperature of 1100degc when fuel is burned in the
a mining engineer plans to do hydraulic mining with a high-speedjet of water. a lake is located h300 m above the mine
An adiabatic compressor compresses nitrogen (k=1.4, R=0.297) from P1=200 kPa and T1=300K to P2=1500kPa. The isentropic efficiency of the compressor is 80%, mass flow rate is 2247kg/hr, and I found T2s=533K and T2a=591K. How much power input does this..
a steam turbine power plant is based on the ideal rankine cycle the working fluid is water. the heat transfer from the
Problem 1: If the joint is subjected to an axial force of P = 9kN, determine the average shear stress developed in each of the 6-mm diameter bolts between the plates and the members and along each of the four shaded shear planes.
a shell-and-tube heat exchanger must be designed to heat 2.5 kgs of water from 15 to 85 oc. the heating is to be
The kinetic coefficients of friction between the 5-kg crates A and B and the inclined surface are 0.1 and 0.4, respectively. The coefficient of restitution between the crates is e = 0.8. If the crates are released from rest in the positions shown, wh..
steam flows through a passageway and at a particular location the pressure is 3 bar the temperature is 281.48c and the
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