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 7.5-10.0 44119 3.5-5.5 1.5-2.5 7.5-10.0 44119 3.5-5.5 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. 2.5 times One-fourth of Less than 1.25-1.50 times 2.5 times One-fourth of Less than 1.25-1.50 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following types of reactors is the safest from operation point of view? A vapor phase reactor A liquid phase catalytic reactor A liquid phase reactor Pot type reactor A vapor phase reactor A liquid phase catalytic reactor A liquid phase reactor Pot type reactor ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Skirt support is the most suitable for supporting __________ vessels. Large horizontal Small horizontal Thick walled Tall vertical Large horizontal Small horizontal Thick walled Tall vertical ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? Equal to tube I.D 6.5 cms 6.5 mm Equal to tube O.D Equal to tube I.D 6.5 cms 6.5 mm Equal to tube O.D ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) Πd/4P² 4P²/πd (P² - πd²/4)/πd 4(P² - πd²/4)/πd Πd/4P² 4P²/πd (P² - πd²/4)/πd 4(P² - πd²/4)/πd ANSWER DOWNLOAD EXAMIANS APP