Engineering, 23.08.2019 02:30 Quantajah
In an air conditioning system air at a flow rate of 2 kg/s enters the cooling coil at 25°c and 50% rh (relative humidity) and leaves the cooling coil at 11°c and 90% rh. the apparatus dew point of the cooling coil is 7°c. find: i. the required cooling capacity of the coil ii. sensible heat factor for the process, and iii. by-pass factor of the cooling coil. assume the barometric pressure to be 1 atm.
Answers: 3
Engineering, 04.07.2019 18:10
Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
Answers: 3
Engineering, 04.07.2019 18:10
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 04.07.2019 18:10
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
Answers: 1
Engineering, 04.07.2019 19:10
How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?
Answers: 2
In an air conditioning system air at a flow rate of 2 kg/s enters the cooling coil at 25°c and 50% r...
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