Hydraulic and Pneumatics MCQ with Answers

Hydraulic and Pneumatics MCQ with Answers

51) Which property in hydraulic oil function is medium for heat transfer?

Answer is:

Good thermal capacity and conductivity

52) Which device is used for handling and removing contamination from hydraulic oil?

Answer is:

Hydraulic filter

53) Which part of double acting cylinder prevents air leakage from cylinder to atmosphere?

Answer is:

Rod Seal

54) What is the defect caused by inter locked air bubbles and pockets in the hydraulic pipe lines and components?

Answer is:

Cavitation

55) What is the cause for oil flow under pressure while passing through the restricted passage?

Answer is:

Increase Heat