Hamad Chemical Engineering Basics 08/06/2020 A. Alloy steel B. Grey cast iron C. Mild steel D. High carbon steel Related Mcqs: Materials having ________________ lattice structure are usually the most ductile ?A. Body centred cubic (bcc) B. Hexagonal close packed (hcp) C. Face centred cubic (fcc) D. None of these... Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is ________________?A. 3 B. 5 C. 0.5 D. 1.5... The refrigerant freon-12 is chemically_______________________?A. CCl2F2 B. CCl3F C. CClF3 D. CCl4F... An alloy of Fe – 0.4 % C is__________________?A. Cast iron B. Hypo-eutectoid steel C. Hyper-eutectoid steel D. Eutectoid steel... In extrusion of metals, which of the following statement is true ?A. Speed of the extruded material is same as that of ram speed B. Redundant work is a function of the die angle C. Relative motion between the billet surface and the container wall is always present D. Hollow ram is used for indirect extrusion...
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