Chemical Engineering Basics When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively Decreases & increases Increases & decreases Decreases & decreases Increases & increases Decreases & increases Increases & decreases Decreases & decreases Increases & increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses. Forging Hot rolling Cold rolling Casting Forging Hot rolling Cold rolling Casting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In a casting, cold shut defect is caused by Faulty gating system Low pounhg temperature Very low mould permeability Melt-mould reactions Faulty gating system Low pounhg temperature Very low mould permeability Melt-mould reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics What is the value of included angle of a triangular notch for maximum discharge ? 120° 60° 30° 90° 120° 60° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Rankine cycle comprises of two isothermal and two __________ processes. None of these Polytropic Isentropic Isobaric None of these Polytropic Isentropic Isobaric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ? Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files Forgings like can shaft, structural steel plate, threading dies and drawing dies Small punches, broaches reamers and springs Mandrels, twist drills, small lathe tools and razors Cutlery, screws, rivets and files Forgings like can shaft, structural steel plate, threading dies and drawing dies Small punches, broaches reamers and springs ANSWER DOWNLOAD EXAMIANS APP