A5/B2 Maintenance Assessment

Viscosity numbering system is used to rate the _______ of engine oil.

• Thickness

• Oil weight

• Oil gravity

• Oil temperature

The pressure inside the lubrication system is controlled by _____

• Oil pump

• Oil filter

• Relief valve

• Supply voltage

The following types of oil pumps is used in lubricating system

• Gear type

• Rotor type

• Plunger type

• All of the above

The vegetable oils are used as lubricants in the machineries. State true or false

• True

• False

Full form of SAE.

• Society of Automobile Engineers

• Society of Auto Engineers

• Society of America Engineers

• Society of Arabic Engineers

What is the least count of a micrometer?

• 0.01mm

• 0.02 mm

• 0.1 mm

• 0.2 mm

How many divisions are graduated on thimble?

• 20

• 25

• 45

• 50

Who invented the Micrometer?

• Guglielmo Marconi

• William Gascoigne

• John Logie Baird

• None of above

Micrometers have a fixed spindle. State true or false

• True

• False

Which of the following is / are types of micrometer

• Inside micrometer

• Outside micrometer

• Depth micrometer

• All of the above