Related Questions

The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
ক $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
খ $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
গ $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
ঘ $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
Site of absorption of vitamin B12 is :
ক Jejunum
খ IIeum
গ Stomach
ঘ Duodenum
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be
ক 1
খ > 1
গ ≤ 1
In a gas-liquid absorption coloumn, for obtaining the maximum absorption efficiency
ক Liquid stream should be distributed uniformly
খ Gas stream should be distributed uniformly
গ Both gas as well as liquid streams should be distributed uniformly
ঘ By passing should be completely avoided
Absorption accompanied with chemical reaction is exemplified by the absorption of
ক Ammonia in water
খ Benzol present in coke oven gas by wash oil
গ SO2 in alkaline solution
ঘ All of the above
In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.
ক Liquid
খ Gas
গ Both A & B
ঘ Neither A nor B
Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in
ক Decreased solute solubility
খ Large minimum liquid to gas (L/G) ratio
গ Large number of trays
ঘ All of the above
In which of the following organs of human body does maximum absorption of food take place?
ক Gullet
খ Large intestine
গ Small intestine
ঘ Stomach
Which of the following vitamin helps in clotting of blood?
ক Vitamin K
খ Vitamin D
গ Vitamin B1
ঘ Vitamin B2
Which vitamin helps to cure common cold is
ক A
খ K
গ C
ঘ E

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