Top 550+ Solved Thermal Engineering 2 MCQ Questions Answer
Q. In what forms are liquid fuels available in nature?
a. light distillate
b. petroleum spirit
c. petroleum naphtha
d. crude petroleum
Q. Name the process used to eliminate impurities present in crude oil?
a. distillation
b. filtration
c. sedimentation
d. coagulation
Q. Which fuel has the lightest liquid petroleum fraction?
a. diesel
b. petrol
c. distillate
d. kerosene
Q. Which fuel is heavier than petrol but less volatile and it is commonly used as domestic fuel?
a. diesel
b. distilled fuel
c. kerosene
d. alcohol
Q. Which fuel is slightly heavier than kerosene and is produced in petroleum fractions?
a. diesel
b. crude oil
c. gasoline
d. distillate
Q. Which fuel has higher thermodynamic efficiency in liquid fuels?
a. diesel
b. petrol
c. kerosene
d. lpg
Q. Which liquid fuel has a wider composition than diesel and used in furnaces of oil fired boiler?
a. fuel oil
b. petrol
c. distillate
d. alcohol
Q. Which is the artificial liquid fuel obtained by fermentation process?
a. fuel oil
b. alcohol
c. distillate
d. kerosene
Q. Which among the following fuels need excess amount of air for complete combustion?
a. natural fuels
b. liquid fuels
c. gaseous fuels
d. artificial solid fuels
Q. Which of the following is not a type of steam turbine?
a. impulse turbine
b. reaction turbine
c. pelton wheel turbine
d. axial flow type turbine
Q. Which statement about impulse turbine is true?
a. steam expands over blades
b. steam expends completely in stationary nozzels
c. steam expends partially over nozzle and turbine blades
d. steam expends over blades incompletely
Q. Which turbines are employed for driving alternator at synchronous speed?
a. central station turbine
b. reheating turbine
c. extraction turbine
d. extraction induction turbine
Q. Non Condensing steam turbine can also be called as
a. extraction steam turbine
b. back pressure steam turbine
c. impulse steam turbine
d. none of the mentioned