The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be _______________ cms?

Byadmin February 18, 2019August 23, 2021

The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be _______________ cms?

A. 20
B. 12
C. 8
D. 2

Mechanical Operations

For achieving maximum capacity of the ball mill, the ball charge should be equal to about ______________ percent of the ball mill volume?

For achieving maximum capacity of the ball mill, the ball charge should be equal to about ______________ percent of the ball mill volume?

A. 10
B. 25
C. 50
D. 75

Read More For achieving maximum capacity of the ball mill, the ball charge should be equal to about ______________ percent of the ball mill volume?
Mechanical Operations

Reciprocal of sphericity is termed as the________________?

Reciprocal of sphericity is termed as the________________?

A. Specific surface ratio
B. Shape factor
C. Sauter diameter
D. Surface area per unit mass

Read More Reciprocal of sphericity is termed as the________________?
Mechanical Operations

Which of the following is used for primary crushing of very hard lumpy materials ?

Which of the following is used for primary crushing of very hard lumpy materials ?

A. Toothed roll crusher
B. Gyratory crusher
C. Ball mill
D. Tube mill

Read More Which of the following is used for primary crushing of very hard lumpy materials ?
Mechanical Operations

The unit of specific cake resistance is______________________?

The unit of specific cake resistance is______________________?

A. gm/cm2
B. cm/gm
C. cm/gm2
D. gm/gm

Read More The unit of specific cake resistance is______________________?
Mechanical Operations

____________ mills fall in the category of tumbling mills ?

____________ mills fall in the category of tumbling mills ?

A. Ball and pebble
B. Rod and tube
C. Compartment
D. All A., B. & C.

Read More ____________ mills fall in the category of tumbling mills ?
Mechanical Operations

The value of ‘angle of nip’ is generally about__________________?

The value of ‘angle of nip’ is generally about__________________?

A. 16°
B. 32°
C. 52°
D. 64°

Read More The value of ‘angle of nip’ is generally about__________________?

Similar Posts