Power Plant Questions and Answers – Synthetic Fuels, Biomass and Thermodynamic View


This set of Power Plant Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ASynthetic Fuels, Biomass and Thermodynamic View”.

1. Production of producer gas from coke requires _____________ moles of nitrogen.
a) 3.76
b) 4.51
c) 2.23
d) 3.49
View Answer

Answer: a
Explanation: None.

2. Which of the following mode is not used to liquefy coal?
a) hydrogenation
b) catalytic conversion
c) hydro pyrolysis
d) coal gasification
View Answer

Answer: d
Explanation: In coal gasification, coal is gasified in a situ and the gas is conveyed to the surface. The other processes are methods of coal liquefaction.

3. What are the first products in Fischer-Tropsch process?
a) CO+H2
b) CO2 +H2
c) Coke + H2O
d) Coke
View Answer

Answer: a
Explanation: The first products in Fischer-Tropsch process are carbon monoxide and hydrogen.

4. ____________ prohibits the use of alcohols directly in petrol engines.
a) high cost and availability
b) low octane number
c) low flash point
d) low calorific value
View Answer

Answer: a
Explanation: High cost is the reason for no use of alcohols in petrol engines.

5. Which of these is not a form of bioconversion route?
a) direct combustion
b) fermentation
c) thermochemical conversion
d) biochemical conversion
View Answer

Answer: b
Explanation: Fermentation is a breakdown of complex molecules in organic compounds. It is a type of biochemical conversion.

6. Which of these is a product of pyrolysis process in dry thermochemical conversion?
a) methane
b) methanol
c) ammonia
d) pyrolytic oils
View Answer

Answer: d
Explanation: Pyrolytic oils, gas and char are the products of pyrolysis process.

7. Which of these is an important measure of performance in for a power plant?
b) AP
c) NTO
d) HHV
View Answer

Answer: a
Explanation: NPHR- net plant heat rate is the most important measure of performance for power plant. AP-auxillary power NTO-net turbine output NTHR-net turbine heat rate.

8. The overall efficiency of a power plant is given by __________
a) 3600/NTO
b) 3600/AP
c) 3600/HHV
d) 3600/NPHR
View Answer

Answer: d
Explanation: The overall efficiency of a power plant is given by ɳ = 3600/NPHR.

Sanfoundry Global Education & Learning Series – Power Plant Engineering.

To practice all areas of Power Plant Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.


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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn