A system has the loop transfer function 2(1 + s/10)/s(1 + 5s)(1 + s/9 + s^2/81) L(s) = G_c(s)G(s) = Plot the Bode diagram. Show that the phase margin is approximately 17.5 degree and that the gain margin is approximately 26.2 dB.

Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented

Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.

Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above