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271.

Smaller change in viscosity of oil with temperature indicates

A.	High viscosity indes number	B.	Low viscosity index number
C.	Both (a) & (b)	D.	None of these

272.

The variation in viscosity of oil with change in temperature is measured by:

A.	High viscosity number	B.	Viscosity index
C.	Both (a) & (b)	D.	None of these

273.

The density and specific gravity of lubricating oil is determined with the help of:

A.	Hydrometer	B.	Specific gravity bottle
C.	Both (a) & (b)	D.	None of these

274.

Viscosity of lubrication oil is measured by:

A.	Hygrometer	B.	Thermometer
C.	Viscometer	D.	All are correct

275.

For engine bearings, a type of lubrication system adopted is:

A.	Gravity feed lubrication	B.	Wick lubrication
C.	Ring lubrication	D.	All are correct

276.

For engine parts, a type of lubrication system adopted is:

A.	Splash lubrication	B.	Pressure lubrication
C.	Petrol lubrication	D.	All are correct

277.

Wick lubrication is also called:

A.	Siphon lubricator	B.	Hydrostatic lubricator
C.	Mechanical lubricator	D.	None of these

278.

Ring lubrication system is generally used for lubrication of:

A.	Vertical bearings	B.	Horizontal bearings
C.	Inclined bearings	D.	None of these

279.

Petrol lubrication system generally is used in:

A.	Two-stroke engines	B.	Four -stroke engines
C.	Tractor and vehicles	D.	Aircraft

280.

A type lubricator is used in steam engines is:

A.	Siphon type	B.	Hydrostatic type
C.	Mechanically operator lubricator	D.	Both (b) & (c)