Related Questions

A batch reactor suffers from following disadvantage.
A Poor product quality control
B High labour and handling cost
C High shutdown time requirement for emptying, cleaning and refilling
D All of the above
Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.
A Less than
B More than
C Same as
D Very much less
Bubble cap tray is the most commonly used tray in large distillation column, because
A Of its flexibility and nearly constant efficiency under varying conditions of operation
B It incurs less pressure drop as compared to any other try designed for the same duty
C It eliminates the foaming and entrain-ment tendency during operation
D None of these
A rectangular sheet of paper, 10 cm long and 8 cm wide has squares of side 2 cm cut from each of its corner. The sheet is then folded to form a tray of depth 2cm. What is the volume of this tray?
A 32cm3
B 48cm3
C 49cm3
D 54cm3
Use of water as a manometric liquid suffers from the disadvantage of its
A Low vapour pressure
B Corrosive nature
C High vapour pressure
D High boiling point
Assam coals suffers mainly from the disadvantage of high __________ content.
A Ash
B Volatile matter
C Sulphur (4-6%)
D Moisture
Aluminium as a material of construction suffers from the disadvantage of
A Very high cost
B Rather low tensile strength
C Very low strength to weight ratio
D Scarce availability
From a batch of 3000light bulbs, 100 were selected at random and tested. If 5of bulbs on the sample found defective,How many defective bulb will be found in entire batch?
A 15
B 60
C 150
D 300
What is the minimum number of sweets that must be added to an existing batch of 240 sweets, so that the total batch can equally be divided among 2,5 and 7 persons?
A 15
B 25
C 40
D 60
What is the minimum number of chocolates that must be added to an existing batch of 220 chocolates, so that the total batch can equally be divided among 2, 5 and 7 persons?
A 15
B 25
C 40
D 60

Next steps