Top 550+ Solved Thermal Engineering 2 MCQ Questions Answer
Q. Which of the following industrial process uses waste as a fuel?
a. cement kilns
b. lead manufacturing
c. acid manufacturing
d. sulphur manufacturing
Q. What is the combustion temperature range in cement kiln incineration?
a. 1300-1600
b. 1350-1650
c. 1250-1450
d. 1235-1600
Q. Non-volatile heavy metals in kiln are fixed into __________
a. clinker’s crystalline structure
b. fumes
c. solid lump
d. slag
Q. Which of the following waste types are not suitable for co-combustion in cement kilns?
a. chlorine
b. hydrogen
c. calcium
d. carbonate
Q. . Due to the limits, upper efficiency of steam turbines is fixed to _________
a. 10-15%
b. 25-45%
c. 20-40%
d. 35-45%
Q. Turbines that are run by exhaust gases are called _______
a. power recovery turbines
b. stepped turbines
c. turbo compounded engine
d. none of the mentioned
Q. Combination of two or more thermodynamic processes gives _________
a. decrease in efficiency
b. increase in efficiency
c. increases the temperature at exhaust
d. none of the mentioned
Q. By using combined cycle steam and gas power plant _________
a. specific fuel consumption can be decreased
b. efficiency increased
c. specific fuel consumption can be decreased and efficiency increased
d. none of the mentioned
Q. What are turbo-compound engines?
a. turbines run at exhausts of otto and diesel cycles
b. combination of turbofan and turbojet engines
c. combination of turboprop and turbofan engines
d. none of the mentioned
Q. In the mercury steam cycle, the mercury cycle is called?
a. bottoming cycle
b. middle cycle
c. topping cycle
d. none of the mentioned
Q. In the mercury steam cycle, the steam cycle is called?
a. bottoming cycle
b. middle cycle
c. topping cycle
d. none of the mentioned
Q. Apart from mercury & steam, which of these is a component of tertiary cycle?
a. nitrogen di-oxide
b. water
c. carbon di-oxide
d. sulphur di-oxide
Q. The addition of sulphur dioxide in a tertiary cycle is at?
a. high temperature
b. low temperature
c. too high temperature
d. none of the mentioned