Correct answer
B. All A., B. & C.
Explanation
The correct answer is All A., B. & C..
Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripheral velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m3 here, V =πND where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m)?
Maximum allowable concentration of CO2 in air for safe working is ________ ppm (parts per million)?
Composition of alloys can be determined by ________?
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG ________ the absorption factor?
Priming is needed in a ________ pump?
Accumulated sum at the end of 5 years, if Rs. 10000 is invested now at 10% interest per annum on a compound basis is Rs?