Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Froth floatation Baum jig washer Spiral separator Trough washer Froth floatation Baum jig washer Spiral separator Trough washer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A fluid energy mill is used for Crushing Ultra grinding Grinding Cutting Crushing Ultra grinding Grinding Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for __________ flow of filtrate. Compressible cake and turbulent Compressible cakes and laminar Incompressible cake and turbulent Incompressible cake and laminar Compressible cake and turbulent Compressible cakes and laminar Incompressible cake and turbulent Incompressible cake and laminar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Cage mill Rod mill Pebble mill Compartment mill Cage mill Rod mill Pebble mill Compartment mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Consumes more power Both A and C Consumes less power Results in increased capacity Consumes more power Both A and C Consumes less power Results in increased capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Swirling Both A & B Vortexing Neither A nor B Swirling Both A & B Vortexing Neither A nor B ANSWER DOWNLOAD EXAMIANS APP