Chemical Engineering Mcqs

Which of the following is not a cutting machine ?

• (A)  Dicers
• (B)  Knife cutters
• (C)  Slitters
• (D)  Tube mills

Answer

Submitted By :Ali Uppal

Which of the following is a pressure filter ?

• (A)  Leaf filter (Moore filter)
• (B)  Plate and flame filter
• (C)  Rotary drum filter
• (D)  Sand filter

Answer

Submitted By :Ali Uppal

Which of the following is not used as a filter medium in case of corrosive liquids?

• (A)  Nylon
• (B)  Glass cloth
• (C)  Metal cloth of monel or stainless steel
• (D)  Cotton fabric

Answer

Submitted By :Ali Uppal

The main size reduction operation in ultrafine grinders is_____________?

• (A)  Cutting
• (B)  Attrition
• (C)  Compression
• (D)  Impact

Answer

Submitted By :Ali Uppal

Mixing of plastic solids is generally facilitated by___________________?

• (A)  Dispersion
• (B)  Mastication
• (C)  Kneading
• (D)  None of these

Answer

Submitted By :Ali Uppal

With increase in drum speed, in a rotary drum filter, the filtration rate_______________?

• (A)  Increases
• (B)  Increases linearly
• (C)  Decreases
• (D)  Is not affected

Answer

Submitted By :Ali Uppal

Gravity settling process is not involved in the working of a________________?

• (A)  Hydrocyclone
• (B)  Classifier
• (C)  Dorr-thickener
• (D)  Sedimentation tank

Answer

Submitted By :Ali Uppal

Ball mills and tube mills with flint or porcelain balls are used for size reduction of_______________?

• (A)  Asbestos
• (B)  Rubber
• (C)  Non-metallic ores
• (D)  Limestone

Answer

Submitted By :Ali Uppal

Grinding characteristic of a material is given by its___________________?

• (A)  HGI
• (B)  Angle of repose
• (C)  Shatter index
• (D)  Abrasion index

Answer

Submitted By :Ali Uppal

Which of the following is not categorised as a “mechanical operation”?

• (A)  Agitation
• (B)  Filtration
• (C)  Size enlargement
• (D)  Humidification

Answer

Submitted By :Ali Uppal