For inclined plates we multiply Grashoff number with – McqOptions

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1.	For inclined plates we multiply Grashoff number with
A.	Cos 2
B.	Sin 2
C.	Sin
D.	Cos
Answer» E.

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For inclined plates we multiply Grashoff number with
The free convection coefficient is given by<br>h = C <sub>1</sub> d t <sup>m</sup>/l <sup>1 3m</sup>
A nuclear reactor with its core constructed of parallel vertical plates 2.25 m high and 1.5 m wide has been designed on free convection heating of liquid bismuth. Metallurgical considerations limit the maximum surface temperature of the plate to 975 degree Celsius and the lowest allowable temperature of bismuth is 325 degree Celsius. Estimate the maximum possible heat dissipation from both sides of each plate. The appropriate correlation for the convection coefficient is<br>Nu = 0.13 (Gr Pr) <sup>1/3</sup>
For laminar flow over a flat plate, the average value of a Nusselt number is prescribed by the relation<br>Nu = 0.664 (Re) <sup>0.5 </sup>(Pr)<sup> 0.33</sup>