Dairy and Food Engineering MCQ Questions Pdf - 1

Question: 1

Milk turns sour due to conservation of lactose to

(A) acetic acid

(B) ascorbic acid

(C) citric acid

(D) lactic acid

Question: 2

Froude number is the ratio of the

(A) viscous force to the gravitational force

(B) inertia force to the shear stress

(C) inertia force to the viscous force

(D) inertia force to the shear stress

Question: 3

Convective mass transfer coefficient of water vapor in air depends on

(A) density of water vapor

(B) viscosity of water vapour

(C) velocity of air

(D) none of these

Question: 4

The process of heat transfer from one particle of the body to another by the actual motion of the heated particle is known as

(A) radiation

(B) conduction

(C) convection

(D) all the above

Question: 5

Milk sugar is also known as

(A) pentose

(B) galactose

(C) stachyose

(D) lactose