Hydraulic Fluids - MCQs with Answers

Hydraulic Fluids – MCQs with Answers

1. Which of the following reasons make water unsuitable to use as a fluid in hydraulic systems?

1. poor lubrication
2. high viscosity
3. more leakage
4. quickly evaporates

a. 1 and 3
b. 2 and 4
c. 1, 3 and 4
d. all the above

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2. The heat generated in hydraulic systems can be absorbed by

a. lubrication
b. cooling
c. sealing
d. all the above

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3. In sliding spool valves hydraulic fluid acts as sealant to reduce leakage

a. true
b. false

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4. For which of the following purpose hydraulic film acts as a seal between the machined cavity and spool?

a. to reduce leakage
b. for cooling purposes
c. for lubrication purposes
d. all the above

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