- All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called
(A) Boyle's law
(B) Charles' law
(C) Lussac law
(D) Joule's law
- When cut-off ratio is __________ the efficiency of Diesel cycle approaches to Otto cycle efficiency.
(A) Zero
(B) 1/5
(C) 4/5
(D) 1
- The atomic mass of oxygen is
(A) 8
(B) 18
(C) 16
(D) 32
- The gas turbine cycle with regenerator improves
(A) Thermal efficiency
(B) Work ratio
(C) Avoids pollution
(D) None of these