Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
If the throttling valve in Prob. 11-12 is replaced by an isentropic turbine, determine the percentage increase in the COP and in the rate of heat removal from the refrigerated space.
Prob. 11-12
A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor-compression refrigeration cycle between 0.12 and 0.7 MPa. The mass flow rate of the refrigerant is 0.05 kg/s. Show the cycle on a T-s diagram with respect to saturation lines. Determine
(a) the rate of heat removal from the refrigerated space and the power input to the compressor,
(b) the rate of heat rejection to the environment, and
(c) the coefficient of performance.
calculate the depth h of mud for which the 3m concrete retaining wall is on the verge of tipping about its forward edge A. the density of mud may be taken to be 1760 kg/m3 and that of concrete to be 2400 kg/m3.
You try to freeze one liter of water at 10 degrees Celsius in ice trays in your freezer. Your freezer has a coefficient of performance of 5.5 and a power rating of 550 Watts, though only 10% of the power will go into freezing the ice.
A firm's stockholders expect a 15% rate of return, and there is a $12M in common stock and retained earnings. The firm has $5M in loans at an average rate of 7%. The firm has raised $8M by selling bonds at an average rate of 6%
Find the cooling load (in tons of refrigeration) for a room supplied with 10,000 CFM of 95 DB outside air with ratio of 105 gr/lb. The room is to be maintained at 78 DB and humidity ratio of 71.5 gr/lb. The room calculated sensible heat load is 108,0..
What are the effects of hardness, hot strength and hot hardness and work hardening of work materials
how far back from the front axle would the center of gravity have to be to ensure that the maximum tractive effort developed for front- and rear- wheel-drive options is equal (assume that all other variables are unchanged)
Two water reservoirs A and B are connected to each other through a 40 m long, 2 cm cast iron pipe with a sharp-edged entrance. The pipe also involves a swing check valve and a fully open gate valve.
An ocean outfall diffuser that discharges treated wastewater into the Atlantic Ocean is 5,000 m from a public beach. The wastewater contains 10^5 coliform bacteria per milliliter. The wastewater discharge flow rate is 0.3 m^3/s.
A tared filter weighs 10.2788 grams. After filtering 100 ml of a water sample, the filter is dried at 103C and reweighed. If the concentration of suspended solids in thefiltered water sample was 125 mg/L, determine the final dried filter weight.
Ethylene enters a turbine at 10 bar and 450 K, and exhausts at (atm) and 325 K. For mass flow in = 4.5 kg s^-1, determine the cost C of the turbine. State any assumptions you make. Data: H1 = 761.1 , H2 = 536.9 kg^-1, C/$ = (15,200)(1W1/kW)^0.573
Estimate the total cost and cost per linear foot for furnushing and driving steel-sheet piling for construction of the basement of a building, 150 by 240 ft. the piles will be 22 in. wide, 18 ft. long, and weigh 40.3 Ib/Lin ft. the piles will be driv..
For the purposes of assessing an economy's growth performance, which is the more important statistic, real GDP or nominal GDP? Why?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd