1320Chemical EngineeringMedium
The maximum thickness of the metal which can be welded using ultrasonic welding is ________ mm?
A3
B0.5
C25
D10
Correct answer
A. 3
Explanation
The correct answer is 3.
Correct answer
A. 3
Explanation
The correct answer is 3.
Steam side heat transfer co-efficient in an evaporator is in the range of ________ kcal/hr.m2°C?
Bakelite (phenol-formaldehyde) resin cannot be used as________?
Neutrons are present in all atoms except that of ________?
________ is not a condensation polymer?
Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process?
Moisture contained by a substance in excess of the equilibrium moisture is called the ________ moisture?