51. In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be
52. A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called
53. A compound steam engine in which piston rods of high pressure and low pressure cylinder's are attached to two different cranks set at 180° to each other, is called
54. The temperature of flue gases at air heater outlet should be
55. The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades.
56. In a reaction turbine
57. The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be
58. The critical pressure ratio for initially superheated steam is __________ as compared to initially dry saturated steam.
59. In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is
60. Expanding steam to a very low pressure (high vacuum) in steam engines is
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