1. Rankine cycle efficiency of a good steam power plant is in the range of (a) 15 20% (c) 70 80% (b) 30 45% (d) 90 95% 2. Rankine efficiency of a steam power plant is (a) comparatively higher in...

1. Rankine cycle efficiency of a good steam power plant is in the range of (a) 15 – 20% (c) 70 – 80% (b) 30 – 45% (d) 90 – 95%

2. Rankine efficiency of a steam power plant is (a) comparatively higher in summer as compared to that in winter (b) comparatively higher in winter as compared to that in summer (c) climatic conditions have no effect on efficiency (d) none of the above

3. Rankine cycle operating between pressure limit of p1 (low ) and p2 (high) (a) has higher thermal efficiency than the Carnot cycle operating between same pressure limits (b) has lower thermal efficiency than Carnot cycle operating between same pressure limits (c) has same thermal efficiency as Carnot cycle operating between same pressure limits (d) may be more or less depending upon the magnitudes of p1 and p2