57. The diameter of Cornish boiler is of the order of
A.1-2m
B.1.5-2.5 in
C.2-3 m
D.2.5-3.5 m
58. The lenght of Cornish boiler is of the order
A.2-4 m
B.3-5 m
C.5-7.5 m
D.7-9 m
59. The diameter of fire tube of Cornish boiler compared to its shell is
A.One half
B.Three-fifth.
C.One-fifth
D.Two-fifth
60. Steam engine operates on
A.Carnot cycle
B.None of the above.
C.Stifling cycle
D.Brayton cycle
61. The change in internal energy in steam engines equal to
A.Work done during the rankine cycle
B.Work done during compression
C.Work done during adiabatic expansion
D.Change in enthalpy
62. Water tube boilers are those in which
A.Flue gases pass through tubes and water around it
B.Water passes through the tubes and flue gases around it
C.Work is done during adiabatic expansion
D.Change in enthalpy
63. Locomotive type' boiler is
A.Horizontal multitubular water tube boiler
B.Water wall enclosed furnace type
C.Vertical tubular fire tube' type
D.Horizontal multi-tubular fire tube type
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