This set of Mechanical Operations Multiple Choice Questions & Answers (MCQs) focuses on “Mixing Equipments”. 1. Ore concentration by jigging is based on the difference in the _______ of the particles. a) Specific gravities b) Wet ability c) Shape d) Size 2. Traces of liquid tar fog present in coke oven gas is separated using … Read more
This set of Mechanical Operations Multiple Choice Questions & Answers (MCQs) focuses on “Mixing Basics”. 1. Width and speed of a conveyer belt depends upon the ____ of the material. a) Lump size b) Bulk density c) Pressure d) Temperature 2. The filtrate flow rate in constant pressure filtration _____ a) Continuously increases b) Continuously … Read more
This set of Mechanical Operations Questions and Answers for Campus interviews focuses on “Comparison of Sedimentation and Centrifuge”. 1. Sphericity of a cubical particle, when its equivalent diameter is taken as height of the cube is ______ a) 0.5 b) 1 c) 20.5 d) 30.5 2. Mass flow of a granular solid (M) through a … Read more
This set of Mechanical Operations Multiple Choice Questions & Answers (MCQs) focuses on “Equipments”. 1. For the transportation of the ultrafine particles the equipment used is a _____ conveyor. a) Belt b) Screw c) Pneumatic d) Apron 2. Which of the following filter may prove unsuitable for filtering volatile liquid? a) Pressure b) Gravity c) … Read more
This set of Mechanical Operations Assessment Questions and Answers focuses on “Filtration in a Centrifuge”. 1. If the settling is carried out with high concentrations of solids to liquid so that particles close together, the condition is called as _______ a) Hindered settling b) Terminal settling c) Gross settling d) Fundamental settling 2. The selection … Read more
This set of Mechanical Operations Multiple Choice Questions & Answers (MCQs) focuses on “Critical Speed”. 1. If a small diameter column is used with deep bed through solids, this is called _____ a) Sledging b) Slugging c) Skipping d) Centering 2. What does the below equation represent? ub = 0.7√(gDb ) a) Bed velocity b) … Read more
This set of Mechanical Operations Multiple Choice Questions & Answers (MCQs) focuses on “Materials Of Construction”. 1. _____are commonly used to control product on a horizontal or inclined conveyor. a) Magnet b) Cleated c) Clamped d) Stock 2. What does the below equation represent? a) Froude number b) Reynold’s number c) Sherwood number d) Kick’s … Read more
This set of Mechanical Operations Questions and Answers for Entrance exams focuses on “Comparison of Pressure and Vacuum Filter”. 1. What does the following represents? Y = 1- e-ct a) Yielding b) Fraction of samples c) Mixing form d) Can’t be specified 2. What is the speed of an impact wheel? a) 1750 rpm b) … Read more
This set of Mechanical Operations Multiple Choice Questions & Answers (MCQs) focuses on “Prayon Continuous Filter”. 1. In a pug mill, mixing is done by ______ a) Blades b) Knives c) Blades or knives d) Chipper 2. Machines with light weight, requires _____ a) Less power b) More power c) Depends on time d) Can’t … Read more
This set of Mechanical Operations Multiple Choice Questions & Answers (MCQs) focuses on “Horizontal Belt Filters”. 1. ____ is the difference between the head race and tail race. a) Gross head b) Net head c) Actual head d) Initial head 2. The head available at the inlet of turbine is called _____ a) Gross head … Read more
