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A pneumatic displacement gage is to be used to measure displacement between 0.1 and 0.2 mm. The output of the device is a hypodermic needle having a diameter of 0.4 mm. The measurement is to be performed with an uncertainty of 25 mm. Specify values of the orifice diameter, upstream pressure, and allowable uncertainty in the pressure measurement to accomplish this objective.
During the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the work input during this process. R(air)=287j/KgK
The total time it takes to fall is 37 seconds. Find the horizontal lead to hit the target.
the load on a 2 inch diameter hydraulic cylinder increases from 10000lb to 15000lb. due to compressibility of oil the
determine the power needed to drive the low speed turbine given maximum velocity in the test section 140 mih with 12 x
a closed gas turbine unit uses neon as the working fluid. there are two stages of compression with intercooling from
Determine distribution of shear force and bending moment
An air heater may be fabricated by coiling Nichrome wire and passing air in cross flow over the wire. Consider a heater fabricated from wire of diameter D=1 mm, L= 2m, electrical resistivity rho=10^-6 ohms, thermal conductivity k=25W/mK, and emiss..
Lift coefficient (Cl) and lift (L), An airfoil of surface area 1ft squared is tested for lift (L) in a wind tunnel. At an angle of attack of 5 degrees with standard air of density 0.0024 slugs/ft cube at a speed of 100 ft/sec
Aluminum-lithium alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. A commercial aircraft skin material having a density of 2.47 g/cm3 is desired. Compute the concentration of Li (..
consider a large plane wall of thickness l0.4 m thermal conductivity k 1.8 wmmiddotdegc and surface area a 30 m2. the
design a turbojet engine to flight at an altitude of 10000m. the pressure ratio across the compressor is 3. the
Geometric angle of attack, The Piper Cherokee has a wing area of 170 ft2 and a wing span of 32 ft. Its maximum gross weight is 2450 lbs. The wing uses a NACA 65-415 airfoil, which has a lift slope of 0.10331deg^-1 and alpha(L=0)= -3.0deg. Assume th..
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