Mechanical Engineering - Thermodynamics
Exercise :: Thermodynamics - Section 5
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
Answer: Option A
Explanation:
17.
Coal gas consists mainly of hydrogen, carbon monoxide and various hydrocarbons.
Answer: Option A
Explanation:
18.
High air-fuel ratio in gas turbines
A. increases power output B. improves thermal efficiency C. reduces exhaust temperature D. do not damage turbine blades
Answer: Option C
Explanation:
19.
When the finely ground coal is moulded under pressure with or without a binding material, the resulting fuel is called briquetted coal.
Answer: Option A
Explanation:
20.
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order
A. Dual cycle, Diesel cycle, Otto cycle B. Otto cycle, Diesel cycle, Dual cycle C. Dual cycle, Otto cycle, Diesel cycle D. Diesel cycle, Otto cycle, Dual cycle
Answer: Option A
Explanation:
