Steam Boilers, Engines, Nozzles and Turbines
When the inlet pressure of steam is equal to the exit pressure, then

There is no pressure drop and fluid does not flow through the nozzle
Fluid flows through the nozzle
There is a pressure drop in the nozzle
Pressure drops and fluid flows through the nozzle

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Steam Boilers, Engines, Nozzles and Turbines
The function of a valve rod is

To convert rotary motion of the crankshaft into to and fro motion of the valve rod
To provide reciprocating motion to the slide valve
To provide simple harmonic motion to the D-slide valve
To convert reciprocating motion of the piston into rotary motion of the crank

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Steam Boilers, Engines, Nozzles and Turbines
The cylinder dimensions of a compound engine may be designed on the basis of

Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders
Equal temperature drop in each cylinder for economy of steam
All of these
Equal power developed in each cylinder for uniform turning moment

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Steam Boilers, Engines, Nozzles and Turbines
Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that

former is water tube type and latter is fire tube type
former is fire tube type and latter is water tube type boiler
None of these
former contains one fire tube and latter contains two fire tubes

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Steam Boilers, Engines, Nozzles and Turbines
In natural circulation type boiler,

Water is supplied in drum and through down comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam
Feed pump is employed to supplement natural circulation in water wall type furnace
Heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum
Water is converted into steam in one. Pass without any recirculation

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