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Question Option 1 Option 2 Option 3 Option 4 The minimum vertical 100 mmdistance from150 the mm floor or soil to200...

Question Option 1 Option 2 Option 3 Option 4 The minimum vertical 100 mmdistance from150 the mm floor or soil to200 themm top edge of the 120foundation mm must be at least how many mm? To avoid transmission the foundation of vibrationshould be isolated 15from floor slabs20 or building footings 30 at least how many 25 mm around its perimeter? A draught of 1 mm10ofN/m² water is equivalent 1 N/m²to 100 N/m² 1 N/mm² Forced draft fans 0.5 create to 2.5 a positive kPa pressure 2.0 to 4.0ofkPa 0.2 to 2.2 kPa 0.02 to 0.22 kPa Draught means a maintain force required the flow to draw of air the through resulting the force fuel hot bed gases thatand speeds through aid inAll up proper the of flue these system gases combustion towards of the fuelchimney and then to the atmosphere Fans that are used stack to draw combustion and pollution products control through Natural system the draft furnace by injecting bed Induced air into draftthe stack Forced after draft combustion Balanced draft For a diesel engine in foundation pouring a concrete it should mixture be poured one time two times three times four times If the air required determine for combustion the mass is 60,644 20 of kggas per kg/hr entering kg of coal 62,650 theand chimney. the kg/hr boiler Assume uses 70,200 3000 ankg/hr ash kgloss of coal of 50,500 15% per hr kg/hr A steam generator831.60 with economizer m 722.58 and airmheater has 926.66 an overall m draft 599.11 loss of 21.78 m cm of water. If the stack gases are at 177°C and if the atmosphere is at 101.3 kPa and 26°C. What is the theoretical height of the stack in meters needed when no draft fans are used? Ass The amount of draught the nature necessary of fuelfor the andarate its certain depth at which boiler on the combustion method installation grate of burning is least required resistance of dependent fuel to take in place upon the flue gas circuit The over-all draft 28°C loss ofand steam the average generating if no draft flueunit gas fans istemperature 400 arewhat mm to beis water. installed the is found height Air enters to 183.5 ofbe the at 250°C mchimney? 101.326 kPa Assume 174.8 m R = 0.277165.4 kJ/kg-K m 162.5 m A 15 kg gas enters what a chimney is the diameter at 101.91 m/s. ofmIf thethe chimney. temperature 1.82 UsemRand = 0.287 pressure kJ/kg-K 2.62 of m a gas are 26°C 2.93and m 100 kPa respectively The annual peak load 000 kW on apower 15 plant 500iskW. 10 Two substations are supplied 500 000by kW-hr this plant. with aAnnual peak 000 kW load energy at 8dispatched through 16 substation A is500 27 000 are sent through 650 substation kW. NeglectB with line 1.48, losses. a 0.446 peak Find load the at1.75, 6diversity 0.335 factor 1.75, between 0.446 substations 1.48, and 0.335 capacity factor of the power plant A batch of concrete 350consisted lbs coarse of 200 aggregate 94lbs lbsfine cement aggregates and 5 gallons of water. 755 lbs The specific657 gravity lbs of sand and 675gravel lbs may be 567 taken lbsas 2.65 and that of the cement as 3.10. How much weight of cement is required to produce one cubic yard of concrete? As a good practical therule foundation depth 2.2 may to 3.2be taken 3.2 as how to 4.2 many times 2.5oftothe 3.5engine stroke? 3.0 to 4.0 To secure the bolts theembedded distance of within the120 edges themm foundation of to the 300foundation mm100 mmfrom to 280 themm bedplate 150 mm tomust 330be mm200 mm to 380 mm