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From Scanner otate Left abe Highlight T Strikeout U Underline is tate Right Typewriter Note 1) Blank From File From Clipboard Create PDF Sign Protect Comment Question Three Dry soil with G, = 2.71 is mixed with 16% by weight of water and compacted to produce a cylindrical sample of 38mm diameter and 76mm long with 6% air content. Calculate the mass of the mixed soil that will be required and the void ratio of the sample. (8 marks)
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)