Chemical Engineering Basics - Study Mode
[#326] For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm 3 ) while the C.V. is same on weight basis (i.e., kcal/kg)?
Correct Answer
(D) B.F. gas and coke oven gas
[#327] The phenomenon of weld decay is found in case of
Correct Answer
(D) Cast iron
[#328] A floating body oscillates about its __________ when it is displaced slightly.
Correct Answer
(B) Metacentre
[#329] Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than
Correct Answer
(C) 20
[#330] Uniform ramming of sand in green sand moulding process leads to
Correct Answer
(B) Greater dimensional stability of the casting