SOLUTION AND ANALYSIS OF ONE MARK QUESTIONS (IN HINDI) GRADUATE APTITUDE TEST IN ENGINEERING Forenoon Session BY: LOHIT KUMAR YADAV

ABOUT ME: Secured 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, Playing Piano.

A parabola x - y with o s x s 1 is shown in the figure. The volume of the solid of rotation obtained by rotating the shaded area by 360 around the x-axis is (a) 2 (c) jx /2 (d) 4

Reference Lesson: Questions 15 ( Calculus 2) Ques: The parabolic arc y = Vx , 1 volume of the solid of revolution is x 2 is revolved around the x-axis. The a) b) c) d) /4 /2 3T/4 37/2

1.5 0:5 0 0.5 1.5

Right Answer : (b) / 2

Air of mass 1 kg, initially at 300 K and 10 bar, is allowed to expand isothermally till it reaches a pressure of 1 bar. Assuming air as an ideal gas with gas constant of 0.287 kJ/kgK, the change in entropy of air (in kJ/kgK, round off to two decimal places) is

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Lohit Kumar Yadav

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

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Tobi

4 months ago

sir question 1. mei net force neche ayega nah.toh direction (-j)ayega nah kyunki voh stable equilibrium mei hai.par aap ne toh Force due to electric field ko zyada pakda [Mg-2kq(lamda)/(d+x)](-j) ayega nah shm perform karne ke leye

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