Mechanical Operations A filter press is Not suitable, if the liquid is the main product A batch filter Having prohibitively high maintenance cost Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Not suitable, if the liquid is the main product A batch filter Having prohibitively high maintenance cost Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Wet grinding in low viscous suspension ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is π (π/6)1/2 (π/6)1/3 π/3 π (π/6)1/2 (π/6)1/3 π/3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Flocculation None of these Froth floatation Jigging & tabling Flocculation None of these Froth floatation Jigging & tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shell and leaf filter as compared to plate and frame filter Provides more effective washing All of these Facilitates filtration under higher pressure Entails less labor cost Provides more effective washing All of these Facilitates filtration under higher pressure Entails less labor cost ANSWER DOWNLOAD EXAMIANS APP
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