Steam Boilers, Engines, Nozzles and Turbines The function of a valve rod is To convert reciprocating motion of the piston into rotary motion of the crank To provide simple harmonic motion to the D-slide valve To provide reciprocating motion to the slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod To convert reciprocating motion of the piston into rotary motion of the crank To provide simple harmonic motion to the D-slide valve To provide reciprocating motion to the slide valve To convert rotary motion of the crankshaft into to and fro motion of the valve rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tubes in Cochran boiler is of the order of 6 cm 12 cm 8 cm 2 cm 6 cm 12 cm 8 cm 2 cm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following boilers is best suited to meet fluctuating demands? Locomotive Cochran Babcock and Wilcox Lancashire Locomotive Cochran Babcock and Wilcox Lancashire ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = 0.5 V² cosα Vb = V cos α Vb = 0.5 V cosα Vb = V² cos α Vb = 0.5 V² cosα Vb = V cos α Vb = 0.5 V cosα Vb = V² cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by All of these Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls All of these Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For burning 1 kg of carbon to CO as per chemically correct combustion, amount of air required is 2 kg 1 kg 8/3 kg 4/3 kg 2 kg 1 kg 8/3 kg 4/3 kg ANSWER DOWNLOAD EXAMIANS APP
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