Q201
Open questionThe device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called
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Mechanical Engineering · all questionsSteam Boilers, Engines, Nozzles And Turbines
Steam Boilers, Engines, Nozzles And Turbines
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Q202
Open questionAt critical point, i.e. p = 225.65 kg/cm2, the latent enthalpy of vaporization is
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Q203
Open questionThe high steam and low water safety valve is used to blow off steam when the
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Q204
Open questionIn a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be
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Q205
Open questionSteam turbines may be classified according to
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Q206
Open questionFor the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler.
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Q207
Open questionWhich of the following is a fire tube boiler?
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Q208
Open questionWhich of the following is a fire tube boiler?
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Q209
Open questionPick up the wrong statement about water tube boiler in comparison to fire tube boilers
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Q210
Open questionIn fire tube boilers
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Q211
Open questionAlkaline pyrogallate is used in Orsat's apparatus for absorption of
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Q212
Open questionThe draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called
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Q213
Open questionThe pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required.
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Q214
Open questionThe effect of friction on the flow of steam through a nozzle is to
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Q215
Open questionThe maximum discharge through a chimney occurs when the height of chimney is
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Q216
Open questionWhen the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a
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Q217
Open questionThe cylindrical shell of a Lancashire boiler has diameter from
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Q218
Open questionThe diameter of internal flue tubes of a Lancashire boiler is about _________ that of its shell.
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Q219
Open questionThe diameter of flue tube in a Cornish boiler is _________ that of the shell.
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Q220
Open questionLocomotive boiler is of the following type
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