A. non-coking bituminous coal
B. brown coal
C. peat
D. coking bituminous coal
E. none of the above
Related Mcqs:
- Which of the following coals has the highest calorific value_________________?
A. anthracite coal
B. bituminous coal
C. lignite
D. peat
E. wood - Caking coals are those which __________________________?
A. form lumps or masses of coke
B. burn freely
C. show little or no fusing action
D. burn completely
E. do not form ash - One kg of steam sample contains 0.8 kg dry steam; it’s dryness fraction is__________________?
A. 0.2
B. 0.8
C. 1.0
D. 0.6
E. 0.5 - In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is__________________?
A. 40%
B. 25%
C. 50%
D. 80%
E. 90% - Expanding steam to a very low pressure (high vacuum) in steam engines is _________________?
A. desirable
B. economical
C. essential
D. optional
E. uneconomical - Vacuum for reciprocating steam engines compared to steam turbines is__________________?
A. more
B. equal
C. less
D. could be more or less depending on the size of plant
E. none of the above - Which of the following is steam dbal?
A. non-coking bituminous coal
B. brown coal
C. pulverised coal
D. coking bituminous coal
E. none of the above - In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine__________________?
A. lancashire boiler
B. locomotive boiler
C. babcock and wilcox boiler
D. cochran boiler
E. benson boiler - Which of the following is mostly used used as blast furnace fuel for extracting pig iron from iron ores?
A. Brown coal
B. Anthracite coal
C. Hard coke
D. Woodchar coalSubmitted by: Faheem Zaman Dhaunroo
- Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio_________________?
A. 50 : 50
B. 30 : 70
C. 70 : 30
D. 40 : 60
E. 60 : 40
