Process Equipment and Plant Design Longitundinal stress induced in a thin walled cylindrical storage vessel is PD/2t PD/3t PD/6t PD/4t PD/2t PD/3t PD/6t PD/4t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) E E/σ Σ Σ/E E E/σ Σ Σ/E ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress. None of these Allowable Damaging Working None of these Allowable Damaging Working ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) Z.H/L.ρ Z.H.ρ/L H.ρ/L L/Z.H.ρ Z.H/L.ρ Z.H.ρ/L H.ρ/L L/Z.H.ρ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to 0.5 d 1.5 d D 2.5 d 0.5 d 1.5 d D 2.5 d ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure. >5 3 to 4 1.5 to 2 4 to 5 >5 3 to 4 1.5 to 2 4 to 5 ANSWER DOWNLOAD EXAMIANS APP