• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Mechanical Operations

Mechanical Operations
Ore concentration by jigging is based on the difference in the __________ of the particles.

Shape
None of these
Wettability
Specific gravities

ANSWER DOWNLOAD EXAMIANS APP

Mechanical Operations
Which of the following oxides is not present in hematite iron ore?

Titanium oxide
Cobalt oxide
Manganese oxide
Calcium oxide

ANSWER DOWNLOAD EXAMIANS APP

Mechanical Operations
__________ is a cohesive solid.

Wheat
None of these
Sand
Wet clay

ANSWER DOWNLOAD EXAMIANS APP

Mechanical Operations
For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as

Np → constant
Np ∝ √NRe
Np ∝ 1/NRe
Np ∝ NRe

ANSWER DOWNLOAD EXAMIANS APP

Mechanical Operations
In case of a revolving mill, wet grinding compared to dry grinding

Has less capacity
None of these
Complicates handling & classification of the product
Requires more energy

ANSWER DOWNLOAD EXAMIANS APP

Mechanical Operations
Separation of materials of the same density based on their sizes by using then-different rates of flow is called

Sizing
Elutriation
Flocculation
Sorting

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Mechanical Operations

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑