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Calculate the ratio of displacement dz per unit volt. How could elevated teThe problem statement, all variables and given/known data A tube scanner made of a PZT piezoceramic material, which has a piezoelectric coefficient, d31=- 0.27x10 -9 mV -1 , has a length of 12.5 mm and wall thickness of 0.5 mm.mperatures affect the piezoceramic material? The attempt at a solution Using a formula i can show that dz/U = L / h d(31) = 12.5*10^-3 / 0.27*10-12 * 0.5*10^-3 Is that correct for the displacement dz per unit volt, and how does elevated temperatures effect the materiel?
Acetone is to be extracted from a solution in water, using 1,1,2-trichloroethane. The feed concentration is 45.0% w/w acetone. Determine the number of stages required to reduce the concentration of acetone to below 10%, using 32 kg of extraction-s..
In the batch preparation of an aqueous solution, the water is first heated to 80 °C in a jacketed, agitated vessel; 1000 Imp. gal. (4545 kg) is heated from 15 °C.
Aniline is produced by the hydrogenation of nitrobenzene. The reaction takes place in a fluidized bed reactor operating at 270 °C and 20 bar. The excess heat of reaction is removed by a heat transfer fluid passing through tubes in the fluidized be..
The liquid-phase irreversible reaction A ? B is carried out in a CSTR. To learn the rate law, the residence time, t is varied and the effluent concentrations of species A are measured.
Operation of a modern telephone handset, In a modern telephone handset, the microphone uses a piezo-electric crystal and the earpiece is a miniature loud speaker using a moving coil and a permanent magnet.
A human being (75 kg ) consumes about 6000 Kj of food per day. Assume that the food is all glucose and that overall reaction is- C6H12O6 +6O2 ------à 6CO2 +6H20 , Δ H= -2816 KJ
What are the units commonly used in occupational exposure limits for quantifying the concentration of dust particles, vapours or gases and fibres? What does LD 50 mean in Industrial Toxicology
design a heat exchanger for the following dutyreduced crude oil leaving a distillation unit with a flow rate of 3166.04
Write an equation for the combustion of PVC in oxygen. Suggest a reason why its incineration poses a serious risk during a fire.
Assume that losses cannot be offset against revenues from other operations for tax purposes (i.e., no tax credits in years when the plant makes a loss). Estimate the following:
Describe how the business will operate. Plan and cost the employee requirements. What is required and how to pay them? Describe the facilities and equipment plan and technology plan? Also prepare an organizational chart that depicts the company's str..
1. Lab title and number 2. Purpose· Your interpretation of the purpose of the lab. 3. Theory - A brief discussion of the engineering or scientific theory that the lab exercise is based on.
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