Prandtl number for most of dry gases is about (A) 0.001(B) 0.72 (C) 70 (D) 150

Prandtl number for most of dry gases is about
(A) 0.001
(B) 0.72
(C) 70
(D) 150
by

1 Answer

Answer :

(B) 0.72
by

Related questions

Colburn analogy is applicable for the value of Prandtl number from (A) 0.001 to 1 (B) 0.6 to 120 (C) 0.5 to 5 (D) 120 to 400

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Prandtl number for water at 20°C is about (A) 7 (B) 70 (C) 0.7

Description : Prandtl number for water at 20°C is about (A) 7 (B) 70 (C) 0.7

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A sum of Rs 315 consists of 25 paise, 50 paise and 1 Re coins in the ratio 3 : 4 :6. What is the number of each kind of coin respectively? A) 216, 144, 27 B) 108, 144, 216 C) 27, 72, 216 D) 120, 35, 108 E) 102, 150, 210

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Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is (A) 0.1 (B) > 1 (C) < 1 (D) 1

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Last Answer : (A) 0.1

Prandtl and Reynold's analogies are identical for Prandtl number value of (A) 0 (B) 0.5 (C) 1 (D) 5

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Prandtl and Reynolds analogy are same, when Prandtl number is (A) 0.5 (B) 1 (C) > 2 (D) 1.5

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Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is (A) 0.2 (B) 0.4 (C) 0.6 (D) 0.8

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Last Answer : (C) 0.6

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The sum of ages of family members (both children and parents) is 360 years.The total ages of children and parents are in the ratio 2:1 and the ages of wife and husband are in the ratio 5:7.What will be the age of husband? A.65 B.75 C.72 D.70

Description : The sum of ages of family members (both children and parents) is 360 years.The total ages of children and parents are in the ratio 2:1 and the ages of wife and husband are in the ratio 5:7.What will be the age of husband? A.65 B.75 C.72 D.70

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Last Answer : d. 30 or 72

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Last Answer : a. 72 to 75

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Last Answer : (B) 0.001

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Last Answer : (A) 2.0

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Description : Solid content in most of the domestic sewage is about __________ percent. (A) 0.001 (B) 0.1 (C) 5 (D) 10

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Last Answer : (A) 0.001

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Last Answer : (B) 0.2 to 0.3

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Description : The number of characters recommended for Title Tag? A. 100 B. 70 C. 150 D. 50

Last Answer : B. 70

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