Chemical Engineering — Test 27
Page 1 of 3
Question 1
Nusselt number/Biot number varies___________________?
Question 2
Pick out the wrong statement about coating/electroplating of metals ?
Question 3
In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be__________________?
Question 4
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 covalent bonds resulting in _______________ electrons ?
Question 5
Cupola produces _________________ iron?
Question 6
Screws are specified by their _____________ diameters?
Question 7
Electrometallurgy is not involved in the extraction of ___________________ from its ore?
Question 8
Mho’s scale of hardness, which consists of 10 standard minerals is used for the measurement of _______________ hardness?
Question 9
The bank of tubes located at the back of the domestic refrigerators are the _______________ tubes?
Question 10
With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and _____________ is not affected ?