Process Equipment and Plant Design The wall thickness for a large high pressure pipeline is determined by the consideration of the Forces exerted by static and dynamic action at bends Temperature stresses Axial tensile stress in the pipe Circumferential pipewall tension Forces exerted by static and dynamic action at bends Temperature stresses Axial tensile stress in the pipe Circumferential pipewall tension ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head. Either A or B, whichever is larger 6% of I.D. 3 times the thickness Either A or B, whichever is smaller Either A or B, whichever is larger 6% of I.D. 3 times the thickness Either A or B, whichever is smaller ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Lessig rings Cross-partition rings Raschig rings All of these Lessig rings Cross-partition rings Raschig rings All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 (1.2)3/2 (1.2)5/3 (1.2)2/3 (1.2)3/5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a vertical short tube evaporator (Calendria type), the Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube All of these Liquor is inside the tube while the steam is outside the tube Tube dia of 2.5-7.5 cms, tube length of 75-200 cms and cylinderical drum dia of 1-6 metres are normally used Area of central downtake is equal to 40 to 100% of total cross-sectional area of the surrounding tube All of these Liquor is inside the tube while the steam is outside the tube ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law. Negative No None of these Positive Negative No None of these Positive ANSWER DOWNLOAD EXAMIANS APP