Mechanical Engineering - Thermodynamics

16.
The property of the system, whose value for the entire system is equal to the sum of their values for the individual parts of the system is called extensive property
Yes
No
Answer: Option
Explanation:
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17.
Coal gas consists mainly of hydrogen, carbon monoxide and various hydrocarbons.
Agree
Disagree
Answer: Option
Explanation:
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18.
High air-fuel ratio in gas turbines
increases power output
improves thermal efficiency
reduces exhaust temperature
do not damage turbine blades
Answer: Option
Explanation:
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19.
When the finely ground coal is moulded under pressure with or without a binding material, the resulting fuel is called briquetted coal.
Yes
No
Answer: Option
Explanation:
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20.
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order
Dual cycle, Diesel cycle, Otto cycle
Otto cycle, Diesel cycle, Dual cycle
Dual cycle, Otto cycle, Diesel cycle
Diesel cycle, Otto cycle, Dual cycle
Answer: Option
Explanation:
No answer description is available. Let's discuss.