A forced draft fan is used to provide the combustion air requirements for a power boiler that burns coal at the rate of 10 metric tons per hour. The air requirements are: 120 000 m^3/hr, air being provided under 170 mm water gauge by a fan which has an efficiency of 65 % Assume fan to deliver at a total pressure of 170 mm water gauge. Find the standard hp rating of a motor to drive the fan

A forced draft fan is used to provide the combustion air requirements for a power boiler that burns coal at the rate of 10 metric tons per hour. The air requirements are: 120 000 m^3/hr, air being provided under 170 mm water gauge by a fan which has an efficiency of 65 % Assume fan to deliver at a total pressure of 170 mm water gauge. Find the standard hp rating of a motor to drive the fan

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

See similar textbooks

Similar questions

The condensing pressure for a Rankine engine is 0.001325 MPavac. Calculate the following for steam flow rate = 1 kg/sec of steam when the steam at the beginning of expansion is at 119.6 deg SH and 4.0 Mpaa. Draw the TS and equipment diagrams for the ideal and actual case and find for the following for the ideal case: Pump work in KW. Ans. Ideal heat rate in KJ/KW-hr. Ans. Rankine engine efficiency (%). Ans. Cycle thermal efficiency ( %). Ans
A forced draft fan is used to provide the combustion air requirements for a boiler that burns coal at the rate of 10 metric tons per hour. The air requirements are 100,000m3/hr , air is being provided under 150 mm water gage by a fan which has a mechanical efficiency of 60%. Find the size of the driving motor in kW
i need correct explanation my best wishes ton
Saturation: Pressures Specifie Volume Sa Internal Energy Sal Ligule Entropy Set. Ligurd Enthalpy Pr Tegp Ligld 10, Sat. Vaper Sal. Liquid Sat Veper Sat. Vapor Erap Er 10 DO06113 .0007 COC3 .co09 01 1.0002 206 136 1.89 1.0001 181 255 3.77 1.0001 159 675 5.45- 1.0001 142 789 00 2.75.3 23753 7.90 23700 2377.9 15.81 2364.7 23806 22.88 23600 2382.9 · O1 25013 2501.4 7.91 24969 2504 8 15.81 2492.5 2508.3 22.89 2488 5 2511.4 0000 9.1562 9.1562 0288 9.0775 9,1064 0575 8.9999 9.0573 ON29 8.9312 9,0:42 .0010 0011 0012 0013 .0014 6.98 1.0002 129 208 8.37 1.0002 118 042 9.66 LO003 108 696 10.86 11.98 29.30 2355.7 2385.0 35.17 23518 2386.9 40.58 2348.1 2388.7 45.60 2344.7 23903 50.31 23416 2391.9 29.30 24849 2514.2 35.17 2481.6 2516.8 40.58 2478.6 2519.1 45.60 2475.7 25213 503I 2473.1 2523.4 1059.R8697 8.9756 1268 8.8140 8.9408 1460 8.7631 8.9091 1637 8.7162 8.8799 1802 8.6727 8.8529 1.0004 100 755 1.0005 93 922 54.71 2338.6 2393.3 58.87 2335.8 2394.7 62.80 2333.2 2396.0 66.53 2330.7 23972 70.09…
Please read the problem and solve what is asked. Thanks! A two-stage compressor with an ideal intercooler receives 0.5m3/s of Helium at 150kpa and 300K and discharges it at 7500kpa. Find the heat rejected(kw) at the intercooler. Ans. 27.015 kw
Question. A boiler unit has forced draught fan maintaining draught of 90 mm of water column while discharging 38 m/s through outlet section of 1.9m² area. Ambient temperature is 300 K and assume mass of 1 m³ of air at NTP as 1.293 kg to find out power of motor of forced draught fan if for efficiency is 80%. Determine the power consumption if FD fan is substituted by ID fan of similar efficiency considering flue gas temperature of 450 K
Parvinbhai
Pls answer thank you! A steam engine has 15% brake thermal efficiency and consumes 800 kg/hr steam. The enthalpy of steam at the entrance of engine are 2800 and exit of the condenser 470 KJ/kg respectively. Determine the brake power of the engine in KW.
Q 2: - A one cylinders Freon (134a) compressor has a Bore and Stroke 5.4 and 4.8 cm respectively. It is speed 1450 rpm volumetric efficiency c.v 100% working fluid reaches expansion valve at 42°C and the temperature %3D of its suction -8°C:- a- Find the mass flow rate of the refrigerant, heat capacity and COPact& COPtho? b- Find the mass flow rate of the refrigerant, heat capacity and COP & COPtho if the clearance factor will be 5%?
Find the motor size needed to provide the forced-draft service to a boiler thatburns coal at the rate of 10 tons per hour. The air requirements are 59 000 cfm, air isbeing provided under 6 inches water gage by the fan that has mechanical efficiency of 60%. Assume fan to deliver at a total pressure of 6 inches water gage.
The condensing pressure for a Rankine engine is 0.001325 MPavac. Calculate the following for steam flow rate = 1 kg/sec of steam when the steam at the beginning of expansion is at 119.6 deg SH and 4.0 Mpaa. Draw the TS and equipment diagrams for the ideal and actual case and find for the following for the ideal case: Ideal turbine work (KW). Ans.____________________________ Heat rejected at condenser (KJ/sec). Ans.____________________________ Mass of cooling water in kg/sec if cp H2O = 4.18 KJ/kg-K, and inlet temp of water to condenser = 20 deg C, outlet temp is 35 deg C. Ans.____________________________ Pump work in KW. Ans.___________________________
The percent rating of water tube boiler is 200%, factor of evaporation of 1.08 and heating surface area is 256 m2 . Find the rate of evaporation.