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1. With the aid of diagram, briefly explain how collector current is obtain if the transistor is connected in c-e configuration.
2. How is phase reversal achieved between the input and output in the circuit?
a piston-cylinder device contains 5 kg of refrigerant-134a at 0.7 mpa and 60 degrees c. the refrigerant is now cooled
The vibrations of an engine mount are to be monitored by an accelerometer which can be treated as a second-order system. It is expected that the vibrations will not exceed 1 kHz. If you have an accelerometer that has a ringing frequency of 20 kHz and..
approximate a boeing 777 aircraft as a system with a fixed mass of 200000 kg. the plane initially cruises at 270 ms at
a simple steam power system has a turbine inlet state of 6.0 mpa and 540 0c and an exhaust pressure 0.008 mpa. the
A cylindrical steam boiler shell is riveted in construction; it is made from plates 18mm thick, and has a diameter of 1.8m, Calculate the circumferential and longitudinal stresses in the plates when the internal pressure is 800 kN/m2 if the ultimate ..
the wheel in fig. 10-27 has eight equally spaced spokes and a radius of 30 cm. it is mounted on a fixed axle and is
A box of clear plastic wrap for household use is polyethylene, C2H4, with density = 0.910 Mg/m3. A box of this product contains 87 ft2 of material (in a roll 304 mm wide by 26.5 m long). If the wrap is 0.2 mil (5.08 micrometers) thick, calculate the ..
if the exit velocity needs to be 27 ms and the nozzle tip has a diameter of 0.48 mm what is the volumetric flow rate
air contained in a piston-cylinder assembly is initially at 350 k 150 kpa and a volume of 0.15 l. as the cylinder is
A reaction 2A--->B is second order with respect to A. Batch experiments have shown that, for an initial solution containing Ca=3mg/L, the concentration of A in a system can be reduced by 99% is 25 min.
Air at a stagnation pressure 700kPa flows isentropic ally through a convergent-divergent nozzle. The design pressure at the nozzle exit is 56 kPa. If the back pressure is raised gradually, thereby creating a shock in the divergent portion of the nozz..
A gas is contained in a piston of 5 m^3 at 100 KPa. Then the gas is compressed till its volume is reduced to 2.5 m^3. If there was no exchange of heat from the system during the compression process, calculate the work required for the compression and..
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