
CRE BM Reviewer #4 (page 63-73)
Quiz by Jon Francis
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Diesel oil supplied a net value of __ kcal/kg from diesel oil pump.
Supply condition at start up burner piping train before control valve is __ ksc(g).
and before burner inlet is __ ksc (g) at max load.
Cooling water coming from close d circuit cooling system is supplied at temperature of 37C and a pressure of __ ksc use for services and etc.
Service air from plant air provided ambient temperature and pressure of 4-7 ksc(g), dry at __ C dew point temperature.
Service air are use for start up burner, limestone, sand bottom ash recycle system , ash cooler and ?
Instrument Air is provided for control at ambient air temperature, a pressure of __-__ ksc (g) , dry oil and dust free at 2C dew point temperature.
__ and maintenance standard should be followed by plant personel for both boiler and auxiliary equipment.
should become thoroughly familiar with specific design , characteristic of boiler and association of auxiliary equipment.
Each CFB type reheat boiler (Steam Generator) designed for an evaporation rate of __ kg/hr..
at a superheater outlet pressure of __ ksc …
and temperature of __ C.
The design feed water temperature is C?
Operating conditions of reheat at MCR is __kg/hr.
Reheat Data Entering Temperature = 370C, Entering pressure is __ksc?
Overall efficiency is?
MCR meaning?
PSD meaning?
Bottom Ash - PSD test is __ per day to make sure no excessive size of particles or impurities.
Normally top size of B/A shall be less than __ mm(same as top size of limestone).
(Coal) Sampling Test period of PSD shall be __ per week or find unusual big particles presented in crush coal or bottom ash drain.
(Coal) Size distribution enter boiler less than 0.1 mm with a percent passing (max)fines by weighted of?
(Coal) Size distribution enter boiler of 0.7-1.5 mm with a percent passing by weighted of?
(Coal) Size distribution enter boiler 6-9 mm (Top Size ) with a percent passing weighted of?
Limestone Top Size range in mm?
Limestone PSD test shall be done for __ delivery.
Coal -Higher Heating Value (HHV) , kcal /kg (A.F.B)
Limestone - Moisture content?
Attrition Index of Limestone - not exceed of?
Sand PSD Top size less than in mm?
Sand sampling test done __ delivery.
Sand sphericity factor is greater than ?