GATE 2016- Set 2 By: Lohit K Yadav

The probability that a packet would have to be replaced is. The probability that a screw manufactured by a company is defective is o.1. The company sells screws in packets containing 5 screws and gives a guarantee of replacement if one or more screws in the packet are found tobe defective.

X21 ho o PC2 -PC 1-0.

For the situation shown in the figure below the expression for H in terms of r, R and D is

C. J@^^)'- -(m)

Consider a frictionless, massless and leak-proof plug blocking a rectangular hole of dimensions 2RL the bottom of an open tank as shown in the figure. The head of the plug has the shape of a semi-cylinder of r tank i The gravitational acceleration is g. Neglect the effect of the atmospheric pressure. The force F required to hold the plug in its position is The with a liquid of ensity up to the tip of the plug

A-I Sectional view A-A

F2F

Consider a parallel -flow heat exchanger with area Ap and a counter-flow heat exchanger with area Ac. In both the heat exchangers, the hot stream flowing at 1 kg/s cools from 80 C to 50 C. For the cold stream in both the heat ex the flow rate and the inlet The hot and cold streams in both the heat exchangers are of the same fluid. Also, both the heat exchangers have the same overall heat transfer coefficient. The ratiocpA/A is ers mperature are 2 kg/s and 10 c, respectively.

Jen

2- ( ) 0 70-25 1o 25

43oS Ae u3- Ac

-se.co { 13 3 S 04 1 C -18 ASo 18C 230 x 3 vi 2. So 3x27

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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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