A) use of high steam pressures B) lower load in the plant C) larger quantity of water used D) increased quantity of coal burnt. Ans : (A)
A) 100 kg/cm2 B) 1 kg/cm2 C) 155 kg/cm2 D) 213.8 kg/cm2. Ans : (D)
A) Wind power B) Nuclear energy C) Geothermal energy D) Tidal power. Ans : (B)
A) coal broken into fine particles B) coal which burns for long time C) non-smoking coal D) coal free from ash. Ans : (A)
A) Use of high pressures B) Regeneration use of steam for heating boiler feed water C) Reheating of steam at intermediate stage D) All of the above. Ans : (D)
A) 5 kg/cm2 to 10 kg/cm2 B) 50 kg/cm2 to 100 kg/cm2 C) 110 kg/cm2 to 170 kg/cm2 D) 200 kg/cm2 to 215 kg/cm2. Ans : (C)
A) 9000 - 10,500 kcal/kg B) 5000 - 6500 kcal/kg C) 2000 - 4000 kcal/kg D) 1000 - 2000 kcal/kg. Ans : (B)
A) CO2, and O2 B) H2, N2 and O2 C) O2 and H2 D) CO,N2 and H2. Ans : (D)
A) soft coal B) charcoal C) coke D) steam coal. Ans : (D)
A) Skip hoist B) Burner C) Stoker D) Heater. Ans : (C)