Oil Hydraulics and Pneumatics (2171912) MCQs

MCQs of System Components, Hydraulic Oils, Fluid Properties and Filter

Showing 41 to 43 out of 43 Questions
41.

Which of the following is not a property of Water Glycol?

(a)

High antifreeze characteristics

(b)

Low lubrication ability

(c)

Prone to oxidation

(d)

Non-toxic and non-corrosive

Answer:

Option (d)

42.

Which of the following is not a property of Vegetable Oils?

(a)

Less expensive

(b)

Biodegradable and are environmentally safe

(c)

Poor lubrication characteristics

(d)

Corrosion problems 

Answer:

Option (c)

43.

Which fluids require the most expensive sealing materials?

(a)

Water glycol

(b)

Petroleum-based fluids

(c)

Synthetic fluids

(d)

Fire-resistant fluids

Answer:

Option (c)

Showing 41 to 43 out of 43 Questions