Chemical Engineering :: Chemical Engineering Basics-2
- Draught produced by a tall chimney due to density difference between hot flue gas inside the Chimney and atmospheric air outside the chimney is more appropriately known as the __________ draught.
- Pick out the wrong statement.
- The instrument based on the following principle is used for the measurement of oxygen only in the flue gases.
- Colour comparator is used to measure the
- The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)
- Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
- Pearlite comprises of
- Shrinkage allowance on pattern is provided to compensate for shrinkage when the
- Out of the following, the alloy which has equal percentage of constituents, is
- Pick out the wrong statement.
Whatsapp
Facebook
|
A.
Metal changes from liquid state to solid state at freezing temperature |
|
B.
Solid phase temperature drops from freezing temperature to the room temperature |
|
C.
Liquid metal temperature drops from pouring temperature to room temperature |
|
D.
Liquid metal temperature drops from pouring temperature to freezing temperature |
|
A.
Annealing twins are not observed in pure aluminium, because it has higher strain energy |
|
B.
Load during cold rolling can be lowered by the application of front tension |
|
C.
Very fine grain structure is desirable for high temperature creep application of materials |
|
D.
Soft magnetic materials are those which have less area within the hysterisis loop |