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The waveform from a mechanical vibration is sensed by a velocity-sensitive vibrometer. The oscilloscope trave indicates that the motion is essentially simple harmonic. A 1-kHz oscillator is used for time calibration, and 4 cycles of the vibration are found to correspond to 24 cycles from the oscillator. Calibrated vibrometer output indicates a velocity amplitude (1/2 peak-to-peak) of 3.8 mm/s. Determine (a) the displacement amplitude in mm and (b) the acceleration amplitude in standard g's.
Describe the four incorrect assumptions concerning robot - arm movement that are most frequently responsible for impact accidents.
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below.For k=1.4 Cv=0.718kJ/(kg*k), and Cp= 1.005 kJ/(kg*K)
Draw the block diagram of the uncontrolled seat Plot the open loop displacement response of the uncontrolled seat to a step input
a gear of mass 2.5kg rotates ar 1500rpm.due to an error in manufacture the centre of gravity of the wheel is displaced 0.5mm from the axis of rotation. calculate the out of balance force.
a thin metal plate is insulated on the back and exposed to solar radiation on thenbspfront surface. the exposed surface
finite element analysis fea is a modern-day tool in the analysis of structural mechanics fluid dynamics and heat
consider the surface of a solid that is at an elevated temperature and exposed to cooler surroundings. by what modes is
Entropy explained in this solution, Liquid H2O at 8 MPa and 40 degrees C is heated reversibly at constant pressure until the temperature reaches 600 degrees C
Subject a piece of steel to a case hardening process in which carbon is forced by diffusion through a layer on the surface of the piece. For this purpose, the piece of steel will be placed in a carbon-rich atmosphere in a special furnace.
Determine the power generated by the motor M at this instant if it operates with an efficiency of epsilon = 0.8.
consider an ideal steam combined reheat and regenerative cycle in which steam enters the high-pressure turbine at 500
we find that 10h are required to successfully carburize a batch of 500 steel gears at 900cwhere the iron has the fcc
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