Oil Hydraulics and Pneumatics (3151913) MCQs

MCQs of 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