The action of steam in a steam turbine is? Mark as favorite Copy Link static dynamic static and dynamic neither static nor dynamic Check Answer
In a reaction turbine, when steam flows through the fixed blades? Mark as favorite Copy Link pressure increases while velocity decreases pressure decreases while velocity increases pressure and velocity both decreases pressure and velocity both increases Check Answer
The friction present between the steam and the nozzle surfaces reduces the heat drop by? Mark as favorite Copy Link 10 to 15 percent 15 to 25 percent 25 to 40 percent 40 to 60 percent Check Answer
In order to reduce the rotor speed of an impulse turbine, the method employed is? Mark as favorite Copy Link velocity compounding pressure compounding pressure-velocity compounding all of these Check Answer
The ratio of total useful heat drop to the total isentropic heat drop, is called? Mark as favorite Copy Link stage efficiency internal efficiency Rankine efficiency none of these Check Answer
The effect of bleeding is that? Mark as favorite Copy Link it increases the thermodynamic efficiency of the turbine boiler is supplied with hot water it decreases the power developed by the turbine all of the above Check Answer
In an impulse reaction turbine, the pressure drops gradually and continuously over? Mark as favorite Copy Link fixed blades moving blades both fixed and moving blades none of these Check Answer
Thermal equilibrium means that the flow of steam is? Mark as favorite Copy Link isothermal isentropic hyperbolic polytropic Check Answer
The purpose of governing in steam turbines is to? Mark as favorite Copy Link maintain the speed of the turbine reduce the effective heat drop reheat the steam and improve its quality completely balance against end thrust Check Answer
The effect of friction on the flow of steam through a nozzle is to? Mark as favorite Copy Link decrease the mass flow rate and to increase the wetness of steam increase the mass flow rate and to increase the exit temperature decrease the mass flow rate and to decrease the wetness of steam increase the exit temperature without any effect on mass flow rate Check Answer