A. Providing support for the tubes
B. Improving heat transfer
C. Both A & B
D. Preventing the fouling of tubes & stagnation of shell side fluid
Chemical Engineering Basics
Chemical Engineering Basics
A. Waiting
B. Idle
C. Inspection
D. Tool replacement
A. Malleable
B. Nodular
C. Ductile
D. Grey
A. Increase
B. Decrease
C. Remain same
D. May increase or decrease; depending on the type of metal
A. Increases the reducing potential of the gas
B. Increases the flame temperature
C. No significant change occurs
D. Increases the hydrogen content in the metal
A. Wrought iron
B. Pig iron
C. Cast iron
D. None of these
A. 768
B. 1127
C. 1359
D. 1480
A. <100
B. >100
C. About 273
D. About 373
A. Grey
B. Black
C. Opaque
D. White
A. 1 kg/cm2
B. 1 bar
C. 1 atmosphere
D. 1 kilo Pascal