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A shaft of 100 mm diameter and 1 metre long is fixed at one end and other end carries a flywheelof mass 1 tonne. Taking Young's modulus for the shaft material as 200 GN/m2, find the natural frequency of longitudinal and transverse vibrations. [Ans. 200 Hz ; 8.6 Hz]
in a standard tensile test a steel rod of 22-mm diameter is subjected to a tension force of 75 kn. knowing that
(a) Determine the blade angles at leading and trailing edges of both the rotor and stator at the mean radii, (b) Calculate the mass flow rate and the power required for each stage.
saturated ammonia vapor at 30 degree in celcius is passed over 30 vertical flat plates each of which is 10 cm high and
a freely moving piston cylinder device containing steam at 270 degrees celsius and 1000 kpa is taken outside ona cold
An air-standard Diesel cycle has a compression ratio of 18.2. Air is at 27°C and 100 kpa at the beginning of the compression process and at 1700 K at the end of the heat-addition process.
A high-strength cast-iron bar 8 in. in diameter is being turned on a lathe at a depth of cut d=0.050 in. The lathe is equipped with a 15-hp electric motor and has a mechanical efficiency of 80%. The spindle is 500 rpm. Estimate the maximum feed that ..
steam enters the first stage turbine at 40 bar and 500c with a volumetric flow rate of 90 m3min. steam exits the
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
Nitrogen flows steadily through a pipe with a constant cross-section area of 6cm^2. The nitrogen enters the pipe at 500 kPa and 50 degrees Celsius with a velocity of 15m/s. The nitrogen leaves the pipe at 200 kPa and 25 degrees Celsius. Assume that t..
a 4m3 storage tank containing 2m3 of liquid is about to be pressurized with air from a large high-pressure reservoir
steam enters the first turbine stage of a rankine power plant with reheat and regeneration at 1800 psi 1000 f and
a nucleus has 4 excited states at 0.123 mev 0.216 mev 0.401 and 0.555 mev above the ground state. if all transitions
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