Process Equipment and Plant Design Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger? 25% cut segmental baffle Orifice baffle 75% cut segmental baffle Disk and doughnut baffle 25% cut segmental baffle Orifice baffle 75% cut segmental baffle Disk and doughnut baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Both B & C Is economical in operation Employs high velocity, high heat transfer rate and less heating surface requirement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter. 10 to 15 5 to 10 1.5 to 2 2.5 to 5 10 to 15 5 to 10 1.5 to 2 2.5 to 5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The normal range of velocity of steam in pipes is __________ m/sec. 10-20 0.1-0.5 1-5 80-100 10-20 0.1-0.5 1-5 80-100 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Spherical shaped pressure vessel is considered to be the most ideal, because it can Be designed without wind load considerations Be fabricated very easily Be supported very easily Withstand higher pressure for a given metallic shell thickness Be designed without wind load considerations Be fabricated very easily Be supported very easily Withstand higher pressure for a given metallic shell thickness ANSWER DOWNLOAD EXAMIANS APP
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