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55.

The length of Cornish boiler is of the order of                        
A. 2-4 m B. 3-5 m
C. 5-7.5 m D. 7-9 m



56.

The number of flue tubes in Lancashire boiler is                        
A. zero B. one
C. two D. four



57.

The shell diameter and length of locomotive boiler are                        
A. 1.5 m, 4 m B. 1.5 m, 6 m
C. 1 m, 4 m D. 2 m, 4 m




58.

The specific heat of superheated steam in kcal/kg is generally of the order of                        
A. 0.1 B. 0.3
C. 0.5 D. 0.8



59.

The specific volume of steam with increase in pressure decreases                        
A. linearly B. slowly first and then rapidly
C. rapidly first and then slowly D. inversely



60.

The state of vapour under saturation condition is described by                        
A. pressure alone B. temperature alone
C. pressure and temperature D. pressure and dryness fraction



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