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 action of steam in a steam turbine is? Mark as favorite Copy Link static dynamic static and dynamic neither static nor dynamic 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
Stage efficiency is also known as? Mark as favorite Copy Link diagram efficiency nozzle efficiency gross efficiency none of these Check Answer
The steam enters the nozzle at a? Mark as favorite Copy Link high pressure and a low velocity high pressure and a high velocity low pressure and a low velocity low pressure and a high velocity Check Answer
A nozzle is said to be a convergent nozzle? Mark as favorite Copy Link when the cross-section of the nozzle increases continuously from entrance to exit when the cross-section of the nozzle decreases continuously from entrance to exit when the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit none of the above Check Answer
The process of maintaining the speed of the turbine constant for various load conditions, is known as? Mark as favorite Copy Link bleeding reheating governing none of these Check Answer