GATE ME 2015 Set 3 | GATE ME Year Wise Previous Years Questions

GATE ME 2015 Set 3

MCQ (Single Correct Answer)

-0.3

The ratio of momentum diffusivity $$\left( \upsilon \right)$$ to thermal diffusivity $$\left( \alpha \right),$$ is called

Prandtl number

Nusselt number

Biot number

Lewis number

GATE ME 2015 Set 3

MCQ (Single Correct Answer)

-0.6

A solid sphere $$1$$ of radius $$'r'$$ is placed inside a hollow, closed hemispherical surface $$2$$ of radius $$'4r'.$$ The shape factor $${F_{2 - 1}}$$ is ... GATE ME 2015 Set 3 Heat Transfer - Radiation Question 5 English

GATE ME 2015 Set 3 Heat Transfer - Radiation Question 5 English

$$1/12$$

$$1/2$$

$$2$$

$$12$$

GATE ME 2015 Set 3

MCQ (Single Correct Answer)

-0.3

Saturated vapor is condensed to saturated liquid in a condenser. The heat capacity ratio is $${c_r} = {{{c_{\min }}} \over {{c_{\max }}}}.$$ The effectiveness $$(s)$$ of the condenser is.

$${{1 - \exp \left[ { - NTU\left( {1 + {C_r}} \right)} \right]} \over {1 + {C_r}}}$$

$${{1 - \exp \left[ { - NTU\left( {1 - {C_r}} \right)} \right]} \over {1 - {C_r}\,\exp \left[ { - NTU\left( {1 - {C_r}} \right)} \right]}}$$

$${{NTU} \over {1 + NTU}}$$

$$1 - \exp \left( { - NTU} \right)$$

GATE ME 2015 Set 3

Numerical

-0

The annual requirement of rivets at a ship manufacturing company is $$2000$$ $$kg.$$ The rivets are supplied in units of 1 kg costing Rs. $$25$$ each. If it costs Rs. $$100$$ to place an order and the annual cost of carrying one unit is $$9\% $$ of its purchase cost, the cycle length of the order (in days) will be _______________

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