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
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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
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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
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Lohit Kumar Yadav
IRSME. Graduated in Mechanical engineering. Secured AIR 1 in ESE 2017. Believes in Quality Education for all.