29.

30.

81.

32:

33.

34.

35.

36.

87.

The strength of chlorine in fresh bleaching powder is :
(A) About 60% (3) About 10%
(C) About 20% (D) About 30%

Estimated the quantity of secondary sludge produced by a secondary settling tank treating
sewage discharge of 3.5 mld. The sludge may be assumed to have a solid concentration of
200 7721, 7೫೫1೧೪81 விரிவான of suspended solids as 90% and the solid content of the sludge as

6 per cent : #
(5) 10.5 cum/day
(7) 8.3 cum/day
(0 9.1 cum/day
(D) 7.93 cam/day

The equation used for experimental measurement 08 ೪180081 18 :
(ಗಿ) Darey equation (3) Stokes equation
(ര Fanning equation (D) Hagen Poiseuille equation

Bernoullis equation is derived starting from :

(A) Mass Balance (B) Force Balance
(C) Momentum Balance (D) Energy Balance
Orificemeter is used for measuring :
{A) Pressure (ए) Flow rate
(೧) Density (D)) Viscosity
Optical Pyrometer working principle is based on :
(ക Stefan-Boltzmann law (B) Weins displacement law
(C) Kirchoff law (D) Plancks law
Froude number is directly proportional to :
(ಗ) Impeller speed (ए) Fluid viscosity
)© Square of Impeller diameter (D) Square of impeller speed
Centrifuging in Ball mills occur when the speed is :
(^) Equal to Critical speed ` (B) Less than critical speed
)© Greater than critical speed (D) None of the above

Peclet Number NPe ia the product ല്‌;
ക്രു Reynolds Number and Nusselt Number
(B) Reynolds No. and Prandtl No.
(C) Prandtl No. and Nusselt No.
(D) Reynolds No. and Rayleigh No.

028/2016
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