Chemical Engineering Basics Rain drops falling through atmospheric air attain limited terminal velocity, because of Surface tension effects of water Upward thrust due to air Viscous force exerted by air Force of gravity Surface tension effects of water Upward thrust due to air Viscous force exerted by air Force of gravity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Dies for wire drawing are generally made of High carbon steel Stainless steel Mild steel Carbides High carbon steel Stainless steel Mild steel Carbides ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void. Equal to Less than Either A, B or C; depends on the size of atom Greater than Equal to Less than Either A, B or C; depends on the size of atom Greater than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Presence of small quantity of sulphur in low carbon steel improves its Weldability Machinability Hardenarality Formability Weldability Machinability Hardenarality Formability ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Notched bar test is used for testing the __________ of a material. Impact strength Machinability Corrosion resistance Endurance limit Impact strength Machinability Corrosion resistance Endurance limit 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% ? Cutlery, screws, rivets and files Forgings like can shaft, structural steel plate, threading dies and drawing dies Mandrels, twist drills, small lathe tools and razors Small punches, broaches reamers and springs Cutlery, screws, rivets and files Forgings like can shaft, structural steel plate, threading dies and drawing dies Mandrels, twist drills, small lathe tools and razors Small punches, broaches reamers and springs ANSWER DOWNLOAD EXAMIANS APP
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