The soil portion passing through 4.75 mm sieve is washed for further sieve analysis.

Consider the following statements and choose the correct answer:
1. Sieve cells are present in all groups of plants
2. Transverse position of end walls of sieve tubes is a primitive feature whereas their oblique or inclined position is an advanced condition
3. Restriction of sieve areas on the end wall is a primitive condition whereas their presence on end wall as well as radial wall is an advanced condition
4. The sieve plates with larger sieve pores are advanced

A

Only 2 and 3 are true

B

Only 3 is true

C

Only 4 is true

D

Only 1, 2 and 3 are true

In differential screen analysis, for calculating the particle size of the food particles on any one sieve, the average food particle size on that sieve is the mean of the screen opening of that sieve and the sieve below it.

A

True

B

False

১০ তারিখের প্রদত্ত বাট্টার ফলে প্রবাল ট্রেডার্সের i. ৪৭৫ টাকার মুনাফা হ্রাস পাবে ii. ৪৭৫ টাকার সম্পদ হ্রাস পাবে iii. ৪৭৫ টাকার মালিকানা স্বত্ব হ্রাস পাবে নিচের কোনটি সঠিক?

A

i ও ii

B

i ও iii

C

ii ও iii

D

i ii ও iii

Which of the following statements is most relevant in the context of Job Analysis? Choose the correct answer from the code given below. (i) Job Analysis helps in identifying the right person for the right job. (ii) A person cannot judge the job from the point of view of its suitability. (iii) Job analysis helps in job satisfaction and job efficiency. (iv) Through Job Analysis an employer cannot evaluate the prospective employee to judge his fitness or otherwise for the job. (v) Job Analysis helps in planning appropriate training programs. (vi) Job Analysis defines client needs in specific terms. (vii) Job Analysis assists in knowing the personnel specifications for various jobs.

A

(i), (ii), (iii) and (iv)

B

(i), (iv), (v) and (vi)

C

(i), (iii), (vi) and (vii)

D

(ii), (iii), (v) and (vi)

A soil sample is subjected to sieve analysis and the following data is obtained: Percentage passing 0.074 mm sieve = 64% Liquid limit = 53% Plastic limit = 36%

A

13

B

11

C

12

D

10

The figure below shows the cumulative size distribution of particles of a crushed mineral. 10 kg of this material is first passed through a sieve of size 400 micron and then through a sieve of size 300 micron. The weight of mineral (in kg ) that is retained on the 300 micron sieve is . . . . . . . .
Mineral Dressing in Metallurgy mcq question image

Mineral Dressing in Metallurgy mcq question image

A

1

B

1.8

C

3

D

5.6

______ is used for washing the soil portion passing through 4.75 mm sieve.

A

distilled water

B

2g of sodium hexametaphosphate per litre of water

C

10% of brine solution

D

kerosene

ABCD is a plate in the shape of a parallelogram. EF is the line parallel to DA and passing through the point of intersection O of the diagonals AC and BD. Further, E lies on DC and F lies on AB. The triangular portion DOE is cut out from the plate ABCD. What is the ratio of area of remaining portion of the plate to the whole?

A

\(\frac{5}{8}\)

B

\(\frac{5}{7}\)

C

\(\frac{3}{4}\)

D

\(\frac{7}{8}\)

Mc-Gehee and Thayer recommend which of the following three tier approach to determine the training needs?
1. Organisational Analysis
2. Operational/Task Analysis
3. Man Power Analysis
4. Assets Value Analysis
5. Inventory Analysis
6. Skill Analysis

A

4, 5 and 6

B

2, 3 and 6

C

1, 2 and 3

D

1, 3 and 5

Consider the following statement: A ray of light passing through the optical centre of a convex lens emerges without any deviation after refraction. A ray of light passing through the first principal focus of a convex lens emerges parallel to the principal axis after refraction. A ray of light passing through the optical centre of a convex lens emerges parallel to the principal axis after refraction. Which one of the following statements INCORRECT?

A

Only 1

B

Only 2

C

Only 3

D

All 1, 2 and 3

The soil portion passing through 4.75 mm sieve is washed for further sieve analysis.

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