63 DAILY MCQs February (In English) 64. A 67. BY: LOHIT KUMAR YADAV
About me: cured AIR 1 in ESE 2017 Appeared for ISRO, BARC, BEL, BPCL, IOCL Interviews 2 years professional experience AFSB Mysore, 2014 Educator on Unacademy since December, 2017 Hobbies: Reading Fictional Novels, Cooking, Learning Musical Instrument
tow to 6 Analgae Question opt
What is the total emissive power of a black surface? If I Intensity of radiation of black surface. a) 0.5 1 b) 1 c) 2 1 d) 4 1
unit aua nonmel to thia doe dlo.
ICo. ) Cos ) Sn@s do d
For a SI Engine, compression ratio is 8. The specific heat ratio is given as 1.4. What is the percentage change in the compression ratio to have the same air standard efficiency if the specific heat ratio decreases by 10% Decreases by 206 % Increases by 206 % Decreases by 20 % Increases by 20 % a) b) c) d)
= 0.9x1.4 2. 26 1
Thank UPVOTE REVIEW SHARE
Lohit Kumar Yadav
IRSME. Graduated in Mechanical engineering. Secured AIR 1 in ESE 2017. Appeared for BARC, ISRO, IOCL, BPCL, BEL interviews.