. . . . . . . . can contain heterogeneous inputs.

Consider the following statements regarding heterogeneous mixture. Identify the correct ones. a) A heterogeneous mixture is a mixture with a uniform composition that contains components in different phases. b) Concrete is an example of a heterogeneous mixture, a combination of cement and water.

A

Only a

B

Only b

C

Both a & b

D

None of the above

__________ can contain heterogeneous inputs.

A

Matrix

B

Data Frames

C

Matrix and Data Frames

D

Does not exists

Chemical reactions can be classified as either heterogeneous or homogeneous. Which of the following equations below is best classified as a heterogeneous reaction?

A

2C2H2(g) + 5O2(g) ? 4CO2(g) + 2H2O(g)

B

C2H5OH(g) + O2(g) ? HC2H3O2(g) + H2O(g)

C

2Fe(s) + 3CO2(g) ? Fe2O3(s) + 3CO(g)

D

C2H2(g) + 5N2O(g) ? CO2(g) + H2O(g) + 5N2(g)

There are two types of inputs to a process besides the raw material. That are controllable inputs and _____ inputs.

A

noise

B

voice

C

monitoring

D

service

Which of the following is the correct statement?
1. The slope of the Isoquants represents the MRTS
2. The MRTS of the inputs x and y = $$\frac{{{\text{M}}{{\text{P}}_{\text{x}}}}}{{{\text{M}}{{\text{P}}_{\text{y}}}}}$$
3. The elasticity of substitution between two inputs x and y is proportionate change in the ratio of two inputs divided by proportionate change in the MRTS
4. If degree of homogeneity is greater than one, the production function is increasing returns to fixed factor

A

2, 3 and 4

B

1, 3 and 4

C

1, 2, 3 and 4

D

1, 2 and 3

The relative magnitudes of the heterogeneous and homogeneous volume nucleation rate is given as 0.5. Calculate the factor C/C1 (the number of atoms on heterogeneous sites relative to the number within the matrix)? (Consider exp (ΔG*(hom) – ΔG*(het)/kT) to be 1)

A

0.5

B

1.2

C

0.25

D

1.25

The following question has two statements. Study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. Each of the 20 racks of garment shop contains either only shirts, only jeans, or a mixture of shirts and jeans, how many racks contain only shirts? Statement I: 18 racks contain jeans and 14 racks contain shirts. Statement II: 6 racks contain jeans only.

A

Statement I alone is sufficient to answer the question.

B

Statement II alone is sufficient to answer the question.

C

Either statement I or statement II alone is sufficient to answer the question.

D

Statement I and statement II together are sufficient to answer the question.

E

Statement I and statement II together are not sufficient to answer the question.

There are 9 cups placed on a table arranged in equal number of rows and columns out of which 6 cups contain coffee and 3 cups contain tea. In how many ways can they be arranged so that each row should contain at least one cup of coffee?

A

18

B

27

C

54

D

81

Statement I All compounds contain more than one element.
Statement II All compounds are heterogeneous mixtures.

A

Both the statements are individually true and statement II is the correct explanation of statement I

B

Both the statements are individually true but statement II is not the correct explanation of statement I

C

Statement I is true, but statement II is false

D

Statement I is false, but statement II is true

Consider the following statements regarding the ultrastructure of the nucleolus and choose the correct answer:
1. The matrix or pars amorpha of the nucleolus is heterogeneous
2. The chromatin is Feulgen positive
3. The fibrils, 80 - 100 A in diameter, contain RNA and are probably the precursors of the granules
4. Ribonucleoprotein granules make up the pars granulosa

A

Only 1, 2 and 3 are true

B

Only 2, 3 and 4 are true

C

Only 3 and 4 are true

D

1, 2, 3 and 4 are true

. . . . . . . . can contain heterogeneous inputs.

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