Process Equipment and Plant Design Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from 3.5-5.5 7.5-10.0 44119 1.5-2.5 3.5-5.5 7.5-10.0 44119 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 5 to 10 55 to 75 15 to 30 40 to 50 5 to 10 55 to 75 15 to 30 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The dust collection efficiency of electrostatic precipitator increases with increase in the Gas flow rate Both A & B Neither A nor B Electrode area Gas flow rate Both A & B Neither A nor B Electrode area ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of steam in pipes is __________ m/sec. 0.1-0.5 80-100 1-5 10-20 0.1-0.5 80-100 1-5 10-20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by σh = σL/2 No relation exists σh = σL σh = 2 σL σh = σL/2 No relation exists σh = σL σh = 2 σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser. Five times Twice Thrice Half Five times Twice Thrice Half ANSWER DOWNLOAD EXAMIANS APP