Candidates can prepare for the GATE Exam (2015) by referring the questions (and the answer key) of the previous year GATE exam (2014). 5 questions asked in Agricultural Engineering Paper of Engineering Exam 2014 are as follows: Also Read - Inspiring! Meerut Woman Who Left Home To Avoid Forced Marriage Returns As PCS Officer 7 Years Later

1. If two independent variables X and Y are uncorrelated then Also Read - Before Reporting For Duty, This Bengaluru Cop Teaches Children of Migrant Workers Everyday For An Hour

(A) Cov (X, Y) = 0
(B) Cov (X, Y) > 0
(C) Cov (X, Y) < 0
(D) -1 < Cov (X, Y) < 1 Also Read - Ready to Send Children Back to School? 78% Parents Say No, Willing to Let Kids Repeat An Academic Year

2. A partial differential equation containing dependent variable u is given by


where A, B, C, D, E, F and G are constants or functions of independent variables x or y only. Also G ? 0. The nature of the equation is

(A) Linear and homogeneous
(B) Non-linear and homogeneous
(C) Linear and non-homogeneous
(D) Non-linear and non-homogeneous


4. The brake power of a four-cylinder engine is 30 kW with all cylinders firing and 20 kW with any one cylinder cut. The mechanical efficiency of the engine in percent is

(A) 60
(B) 67
(C) 75
(D) 83

5. A tractor is provided with an Ackerman steering gear mechanism. If b is the wheel base, c the distance between the front wheel pivot points, ? the steering angle of the inner wheel and f the steering angle of the outer wheel, the fundamental relationship to be satisfied to avoid skidding of the two front wheels during a turn is given by


Click here to get full question paper on the official website of GATE

Click here to get full answer sheet of question paper on the official website of GATE

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