2/23/2022 Open Book: Problem #1: Considering Figure 3.39 in textbook (see blackboard) calculate Cob and Csb using the following data for Vos = 1.0 V and Vs8 = 0.5 V. Calculate overlap capacitances between gate and source. = = N
o* = 1x1020 cm3 Na (Substrate) = 5x1018 cm3 NA (channel stop) = 1x1020 cm? = = = LM = 65 nm Lo = 10 nm Xi = 25 nm tox = 1.5 nm Vto = 0.5 V W = 5 um 1 = 0.05, Y = 30 nm Problem #2: Using device parameters of problem # 1, Using Hn = 300 cm?/V-s calculate the drain current for VGs = 1.2 V and Vos = 0.9 V and Vse =-1 V. = =

Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false

Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency

Along 8-cm diameter steam pipe whose external surface temperature is 900c connects two buildings. the pipe is exposed to ambient air at 70c with a wind speed of 50 km/hr blowing across the pipe. determine the heat loss from the pipe per unit length. (b) air at 500c enters a section of a rectangular duct (15 cm x 20 cm) at an average velocity of 7 m/s. if the walls of the duct are maintained at 100c. a) the length of the tube for an exit temperature of the air to be 40 0c. b)the rate of heat transfer from the air. c) the fan power needed to overcome the pressure drop in this section of the duct.