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Hot oil (Cp=2.3 KJ/kg.C) at a rate of 2.5 kg/s enters an adiabatic exchanger at 180 C and leaves at 150 C. Cooling water (Cp=4.18 KJ/kg.C) enters the exchanger at 20 C and leaves at 45 C. Calculate: a) The heat lost by the oil and the cooling water mass flow rate, and b) The entropy generation and irreversibility for this overall process. Take To=25 C.
An elevator descends from rest with an acceleration of 5 ft>s2 until it achieves a velocity of 15 ft>s. Determine the time required and the distance traveled.
Whats are examples of destructive tests and non destructive
question helpquestion 1 determine the headwater depth of a 1000 mm high by 1500mm wide concrete box culvert operating
the entire assembly is placed in an environment whose temperature is 200c. determine the volume of chamber 1 when thermodynamic equillibrium has been estabilished.
How would you calculate the sensible heat, the latent heat, and determine the latent heat of vaporization of the water vapor in this air stream as the air is cooled from 170 F to 48 F?
What is the packing density
A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind.
An oven door consists of a layer of asbestos sandwiched between a layer of steel on the inner surface and a layer of wood on the outer face
(a) Find the angular velocity of link CD and the velocity of the pin relative to the slot in link CD. (b) Find the angular acceleration of link CD and the acceleration of the pin relative to the slot in link CD.
Determine the factor of safety against net section yield in the presence of the crack and determine the factor of safety against brittle fracture for the same conditions.
Determine the largest allowable square cross section of a steel shaft of length 6 m if the maximum shearing stress is not to exceed 135 MPa
Cracks propagate when the stress intensity factor exceeds a critical value and describe the fracture behaviour of the insulation tape loaded with a small crack.
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