Chemical Engineering Basics - Study Mode
[#796] A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalant bonds resulting in __________ electrons.
Correct Answer
(B) Excess of
[#797] Inertial forces are obtained, when the elastic forces are multiplied by __________ number.
Correct Answer
(A) Mach
[#798] Lubricants can be used to
Correct Answer
(D) All of the above
[#799] Lubrication is done to control
Correct Answer
(D) All of the above
[#800] In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is
Correct Answer
(A) 1