In a four high rolling mill, there are four rolls out of which

Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m. Dr = distance between rolls, ρ = density of material to be crushed, kg/m³. here V = πN.D, where N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m)

A

3.6 V.W.Dr.ρ

B

3.6 V.W.ρ

C

3.6 W.Dr.ρ

D

3.6 V.W.Dr/ρ

A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 80% of the remaining rolls were sold between noon and closing time. How many dozen rolls had been sold when the bakery closed yesterday?

A

2 dozen

B

4 dozen

C

5 dozen

D

8 dozen

A bakery opened with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon and 60% of the remaining rolls were sold between noon and closing time. How many dozen rolls were left unsold ?

A

6

B

8

C

10

D

12

In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

A

Equal to

B

Smaller than

C

Larger than

D

None of these

Which of the following statements represent Mill's position?
1. Mill does not accept the qualitative distinction of happiness
2. Mill regards health, honour and wealth as intrinsic values
3. Mill's theory is altruistic hedonism and qualitative utilitarianism

A

1 and 2

B

2 and 3

C

1 and 3

D

1, 2 and 3

In which case the following observation was made by Justice Hankford: "Damnum may be abseque injuria, as if I have a mill and my neighbour builds another mill whereby the profit of my mill is diminished. I shall have no action against him, although I am damaged . . . . . . . . but if a miller disturbs the water from going to my mill, or does any nuisance of the like sort, I shall have such action as the law gives".

A

Gloucester v. Grammer School case

B

Ashby v. White case

C

Chesmore v. Richards case

D

Dickson v. Reutirs Telegram Company case

Find the total number of rolls involved in 2 high four stand rolling mill?

A

2

B

4

C

8

D

16

A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?

A

The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction

B

The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction

C

The bottom and middle roll rotate in the same direction

D

Any one of the above

A two high rolling mill consists of two rolls which rotate

A

At the same speed and in the same direction

B

At the same speed but in opposite direction

C

At different speeds and in the same direction

D

At different speeds and in the opposite direction

In two high rolling mill, what is the direction of rolling of the two rollers?

A

Clockwise-anticlockwise

B

Clockwise-clockwise

C

Anticlockwise-Anticlockwise

D

Stationery-clockwise

In a four high rolling mill, there are four rolls out of which

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