The excess pressure in the pipe system is discharged by a;
A
throttling valve
B
relief valve
C
non-return valve
D
stop valve
E
butterfly valve
İlgili Sorular
_____________is used as a fire extinguisher in case of fires resulted from electrical equipment.In a 4 stroke engine 2 revolution of the crank is completed within.the angle of_____________________ is the first to do when securing an AC generator.What is used to test a tank for oxygen content?The vessels carry farm animals such as cow, sheep are_____________