Mechanical Operations MCQs
Practice free Mechanical Operations multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 431 questions — no login required.
Question 235easy
A gravity decanter is meant for the separation of two __________ density.
Question 236easy
Pine oil and cresylic acid are used as __________ in the froth floatation process.
Question 237easy
The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms.
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Question 238easy
Which of the following must be stored in silos and not in open yard?
Question 239easy
In constant pressure filtration,
Question 240easy
Highly viscous liquids & pastes are agitated by
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Question 241easy
Maximum size reduction in a ball mill is done by the, __________ action.
Question 242easy
The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt.
Question 243easy
Which of the following can be most effectively used for clarification of lube oil and printing ink?