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One cubic meter of argon initially at 300 K is compressed such that the change in the specific enthalpy is -0.27 kJ/kg-K and the temperature is reduced 100 K. Determine the final volume of the argon. (k = 1.67)
when drilling a hole in a table leg a furniture maker uses a hand-operated drill with a bit of diameter d4.0mm.a. if
A cutting tool (0.250in wide, rake angle 5 degrees) is used to machine in orthogonal mode. the depth of cut is 0.010in and the chip thickness is 0.027in. Calculate the shear angle and coefficient of friction at the tool and chip interface?
a room has walls and a ceiling that conduct heat from the room to the cooler outdoors. if the inside temperature is
If cable spacing is 1 m into the paper, what is the cable tension.
an ice skating rink is located in a building where the air is tair 20c and the walls are at tw 25c. the convection
Use the bisection method to determine the drag coefficient (cd) needed so that a 80 kg bunjee jumper has a velocity of 36 m/s after 4 s of free fall.
vector r makes angle of 30 degree with x- axis and 70 degree with y-axisand it is in the positive octant. vector s
Consider a C-D nozzle with a throat and exit diameter of 252 mm and 657 mm, respectively. The reservoir pressure and temperature is 10 atm and 1000 K, respectively. Calculate the back pressure (Pb) for each of these scenarios:
determine the minimum mass in kg of a 24 in long tension member that must support a load of 1000 lbs manufactured from
a force p acts on a block having a mass of m with the block resting on a rough incline. the coecients of static and
assume that in orthagonal cutting the rake angle is 20 degrees and the friction angle is 35 degrees at the chip-tool
the 50kg crate is hoisted up the 30 degree incline by the pulley system and motor m. crate started from rest and
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