Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 250 750 650 450 250 750 650 450 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method? Molar latent heat of the two components are equal Sensible heat changes for vapour & liquid are negligibly small Heat of mixing of normal liquid is assumed to be zero Reflux is not a saturated liquid Molar latent heat of the two components are equal Sensible heat changes for vapour & liquid are negligibly small Heat of mixing of normal liquid is assumed to be zero Reflux is not a saturated liquid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Thin spherical shells subjected to internal pressure, develop __________ stresses. Neither A nor B Both A & B Circumferential Radial Neither A nor B Both A & B Circumferential Radial ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffle width is normally taken as __________ times the tank diameter. 0.1-0.12 0.45-0.6 0.2-0.45 0.4-0.5 0.1-0.12 0.45-0.6 0.2-0.45 0.4-0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Needle valves are generally not used for Smaller sizes of pipe Very accurate flow control Very large diameter pipes High pressure throttling service Smaller sizes of pipe Very accurate flow control Very large diameter pipes High pressure throttling service ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness. 1 to 5 40 to 50 30 to 40 10 to 20 1 to 5 40 to 50 30 to 40 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
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