With increase in temperature, the surface tension of water_______________________?
A. Increases
B. Decreases
C. Remain constant
D. Increases linearly
Chemical Engineering Basics
Brittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?
Brittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?
A. Manganese
B. Magnesium
C. Vanadium
D. Copper
In practice, the compression ratio of compression-ignition (CI) engine ranges from ______________________?
In practice, the compression ratio of compression-ignition (CI) engine ranges from ______________________?
A. 15 to 25
B. 5 to 10
C. 40 to 55
D. 60 to 70
The specific gravity of coal depends mainly on its __________________ content ?
The specific gravity of coal depends mainly on its __________________ content ?
A. Carbon
B. Volatile matter
C. Ash
D. Moisture
The refractory lining of the bottom in a basic electric arc furnace is made of___________________?
The refractory lining of the bottom in a basic electric arc furnace is made of___________________?
A. Silica
B. Alumina
C. Magnesia
D. Fireclay
Unit of viscosity in CGS system is_______________________?
Unit of viscosity in CGS system is_______________________?
A. gm .cm-1 sec-1
B. gm . cm2 . sec-2
C. gm .cm-2, sec-1
D. gm . cm . sec-1
A dummy activity is used in PERT network to describe the_____________________?
A dummy activity is used in PERT network to describe the_____________________?
A. Precedence relationship
B. Resource idleness
C. Resource restriction
D. Necessary time delay
Large diameter reinforced cement concrete (RCC) pipes are generally joined by ____________________ joint ?
Large diameter reinforced cement concrete (RCC) pipes are generally joined by ____________________ joint ?
A. Flanged iron
B. Collar
C. Flexible
D. Expansion
Carnot cycle is also termed as the constant _________________ cycle in thermodynamics?
Carnot cycle is also termed as the constant _________________ cycle in thermodynamics?
A. Entropy
B. Pressure
C. Volume
D. Heat
Matte smelting is used in the extraction of_____________________?
Matte smelting is used in the extraction of_____________________?
A. Lead
B. Zinc
C. Aluminium
D. Copper