5473Chemical EngineeringMedium
Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of ________ °C?
A570
B270
C70
D770
Correct answer
B. 270
Explanation
The correct answer is 270.
Correct answer
B. 270
Explanation
The correct answer is 270.
Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an ________?
Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxy-acetylene welding is ________ Nm3?
Correct use of ‘factor of safety’ is very important in equipment design. It is defined as the ratio of the________?
Which of the following thermocouples has the widest temperature measurement range?
When the gas to be dissolved in liquid is a/an ________ then normally co-current adsorber are used?
A refrigeration cycle is the same as a ________ cycle?