Chemical Engineering Basics Archives

‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel) ?

‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel) ?

A. V
B. V/2
C. 2V
D. 3V

Chemical Engineering Basics

Ammonia gas can be dried by___________________?

Chemical Engineering Basics / admin

Ammonia gas can be dried by___________________?

A. PCl5
B. Quick lime
C. CaCl2
D. Concentrated H2SO4

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Chemical Engineering Basics

The minimum temperature to which the water can be cooled in a cooling tower is the ______________ temperature of air?

Chemical Engineering Basics / admin

The minimum temperature to which the water can be cooled in a cooling tower is the ______________ temperature of air?

A. Ambient
B. Dry bulb
C. Dew point
D. Wet bulb

The minimum temperature to which the water can be cooled in a cooling tower is the ______________ temperature of air? Read More »

Chemical Engineering Basics

If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________?

Chemical Engineering Basics / admin

If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________?

A. 23
B. 23/2
C. 25/2
D. 21/3

If the head is doubled in & centrifugal pump, the power required will increase in the ratio of__________________? Read More »

Chemical Engineering Basics

Brazing filler metal used for joining steel plates_________________?

Chemical Engineering Basics / admin

Brazing filler metal used for joining steel plates_________________?

A. Melts below the melting points of base metals
B. Melts below 300°C
C. Is copper phosphorous alloy
D. Is copper

Brazing filler metal used for joining steel plates_________________? Read More »

Chemical Engineering Basics

The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________?

Chemical Engineering Basics / admin

The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________?

A. Is always less than 1
B. Is always greater than 1
C. Can be 5
D. Depends on the choice of the standard state

The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________? Read More »

Chemical Engineering Basics

Melting point & boiling points of liquid oxygen are respectively – 218.8°C & – 183°C, while the same for liquid nitrogen is – 210°C & – 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 ?

Chemical Engineering Basics / admin

Melting point & boiling points of liquid oxygen are respectively – 218.8°C & – 183°C, while the same for liquid nitrogen is – 210°C & – 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 ?

A. °C
B. °F
C. °K
D. °R

Chemical Engineering Basics