An op-amp with a gain bandwidth product (GBP) of 1 MHz is used to construct a non-inverting amplifier. If the desired bandwidth of the amplifier is 13 kHz, what is the maximum allowable gain of the non-inverting amplifier? (Your answer should be accurate to within +/- 0.1)

Tom is having a problem with his washing machine. he notices that the machine vibrates violently at a frequency of 1500 rpm due to an unknown rotating unbalance. the machine is mounted on 4 springs each having a stiffness of 10 kn/m. tom wishes to add an undamped vibration absorber attached by a spring under the machine the machine working frequency ranges between 800 rpm to 2000 rpm and its total mass while loaded is assumed to be 80 kg. a) what should be the mass of the absorber added to the machine so that the natural frequency falls outside the working range? b) after a first trial of an absorber using a mass of 35 kg, the amplitude of the oscillation was found to be 10 cm. what is the value of the rotating unbalance? c) using me-3.5 kg.m, find the optimal absorber (by minimizing its mass). what would be the amplitude of the oscillation of the absorber?

Does the hardness of a sheet metal have an effect on its springback in bending? explain.

An ideal gas expands in an adiabatic turbine from 1200 k and 900 kpa to 800 k. determine the turbine inlet volume flow rate of the gas, in m'/s, required to produce turbine work output at the rate of 650 kw. the average values of the specific heats for this gas over the temperature range and the gas constant are op 1.13 kj/kg.k, v 0.83 kj/kg k, and r 0.30 kj/kg k