Top 550+ Solved Thermal Engineering 2 MCQ Questions Answer
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. A velocity compounded impulse turbine is also called as __________
a. curtis wheel
b. pressure compounded
c. curtis wheel & pressure compounded
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
Q. Compounding is used for _________ power applications.
a. low
b. high
c. medium
d. none of the mentioned
Q. Which type of boiler is it when the furnace is placed in the region of boiling water?
a. internally fired boiler
b. externally fired boiler
c. babcock-wilcox boiler
d. stirling boiler
Q. What type of boiler is a Lamont boiler?
a. forced circulation
b. natural circulation
c. over-through
d. positive forced circulation
Q. What is called as the heart of the Lamont boiler?
a. water drum
b. centrifugal pump
c. furnace
d. blower
Q. In what form are the boiler’s tube arrange in Lamont boiler?
a. parallel in vertical
b. inclined vertically
c. parallel in horizontal
d. horizontally inclined
Q. Through which does the even circulation of feed water is possible in Lamont boiler?
a. nozzles
b. water trough
c. feed pump
d. hose
Q. What is the pressure range between which Lamont boilers operates?
a. 80-120bar
b. 120-160bar
c. 180-360bar
d. 450-560bar
Q. What type of steam is generated by evaporator tube of Lamont boiler?
a. saturated steam
b. unsaturated steam
c. superheated steam
d. flash steam
Q. What is the main disadvantage of Lamont boiler?
a. less flexible in design
b. low heat transfer rate
c. formation of bubbles
d. low steam generation capacity
Q. What type of boiler is a Benson boiler?
a. super critical boiler
b. fire tube boiler
c. natural circulation boiler
d. over-through boiler
Q. What is the capacity of Benson boiler?
a. 180 tonnes/hr & above
b. 150 tonnes/hr & above
c. 250 tonnes/hr & above
d. 300 tonnes/hr & above
Q. What is the major disadvantage of the Benson boilers?
a. boiler is big in size
b. has large storage capacity
c. deposition of salts
d. bubble formation