Top 550+ Solved Thermal Engineering 2 MCQ Questions Answer
Q. Steam turbine is classified on basis of
a. type of blades
b. exhausting condition
c. type of steam flow
d. all of the mentioned
Q. High pressure turbine is a Non-Condensing turbine due to
a. exhaust conditions
b. axial flow of the steam
c. pressure-velocity compounding
d. velocity compounding
Q. Impulse blades are in the shape of
a. rain drop
b. circular
c. half moon
d. none of the mentioned
Q. Astern turbines are used in
a. power generation
b. marine purposes
c. aircraft
d. none of the mentioned
Q. In condensing turbines vacuum is obtained by
a. sudden pressure drop
b. removal of non condensable gases
c. sudden drop in pressure and by removal of non condensable gases
d. none of the mentioned
Q. Cross compound steam turbines are once used in
a. generation of electricity
b. marine ships
c. automobiles
d. none of the mentioned
Q. When steam reaches turbine blades the type of force responsible for moving turbine blades are
a. axial force
b. shear force
c. longitudinal force
d. none of the mentioned
Q. A turbine having alternate blades and nozzles is called as
a. impulse turbine
b. reaction turbine
c. impulse & reaction turbine
d. none of the mentioned
Q. Multi stage arrangement of turbines is called as
a. impulse turbine
b. reaction turbine
c. compounding
d. none of the mentioned
Q. Compounding efficiency at low speed.
a. decrease
b. increase
c. maximizes
d. none of the mentioned
Q. In pressure compounded turbines flow passage is from
a. moving nozzles to fixed blades
b. fixed nozzles to moving blades
c. fixed blades to moving nozzles
d. none of the mentioned
Q. In velocity compounded turbines flow passage is from
a. moving blades to fixed nozzles
b. fixed nozzles to moving blades
c. fixed blades to moving nozzles
d. none of the mentioned
Q. Reaction turbine is also called as
a. impulse turbine
b. curtis wheel
c. parsons turbine
d. none of the mentioned