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1. Two kilograms of 40-C air is contained in a 4-m3 volume. Calculate the pressure, density, speci?c volume, and speci?c weight.
2. The temperature outside a house is -20-C and inside it is 20-C. What is the ratio of the density of the outside air to the density of the inside air? Would in?ltration, which results from cracks around the windows, doors, and siding, etc., occur even with no wind causing a pressure difference?
for the following signals 1024 points were sampled.a 621 hz signal sampled at 850 hzb 1072 hz signal sampled at 1600
r-134a is throttled from 1200kpa and 40oc to 200kpa. it is known that heat of 5kjkg is lost from r-134a to the
a certain factory manufactures tin cans.it receive an order for 10000 cylindrical tin cans of height 5 inch and
The required cross sectional areas for bar, given an allowable tensile stress of 45 ksi, and an allowable compressive stress of 24 ksi. Tabulate your result showing bar forces, cross sectional areas and lengths
a 50 kg copper block initially at 350 degree c is quenched in a closed rigid insulated tank containing 120 l of liquid
water is flowing through a large circular conduit with a velocity profile given by the equation v91-r216 ft per second.
When the governor is connected to a engine its sensitiveness formula change, why?
write a program that reads in two arrays of integers representing the elements of two sets from two different
Consider a spherical shell of radius r and thickness t. Assuming Young’s modulus E to be known, nd the change in the volume of the shell due to internal pressure p. Find the change in the volume of the cylindrical vessel of radius r, length l and thi..
nitrogen gas at 60 kpa and 7 degc enters an adiabatic diffuser steadily with a velocity of 200 ms and leaves at 85 kpa
Steam at 10bar and 0.95 dry flows at 130 m/sec in a pipe. It is throttled to 8 bar and the flow rate is 12 kg/sec. Assuming velocity in the pipe on the down stream side of the valve is 160 m/sec. Find the final condition of steam and the pipe diam..
Sketch the equivalent thermal circuit of the system and express all resistances in terms of relevant variables. Obtain an expression that may be used to determine the heater temperature, Th'
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