Questions
An engineer claims to have made an engine delivering 10kw power with fuel consumption of 1g/s. The calorific value of the fuel is 2k cal/g. Is the claim of the engineer
detailed solution
Correct option is B
η=1-T2T1 WQ1=1-T2T1 102(4.2)=1-T2T1 T2T1=1-108.4=-1.68.4=-0.19 T2T1 cannot be negative. So claim of engineer is not possibleTalk to our academic expert!
Similar Questions
One of the most efficient engines ever developed operates between 2100 K and 700 K. Its actual efficiency is 40%. What percentage of its maximum possible efficiency is this?
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
