A good liquid lubricant must possess the property of ___________(a) Lo – InterviewSolution

InterviewSolution

1.	A good liquid lubricant must possess the property of ___________(a) Low viscosity(b) High boiling point(c) High freezing point(d) Low oiliness
Answer» The correct option is (b) High boiling point The best I can explain: A good liquid lubricant must possess the properties like adequate viscosity, high boiling point, low freezing point, good oiliness. It also contains stability towards the oxidation and heat.

Discussion

No Comment Found

Related InterviewSolutions

99% of grease is produced from __________(a) petroleum oil(b) olive oil(c) castor oil(d) whale oil
A dispersion system consisting of two immiscible liquids is called ________(a) Lubricants(b) Emulsions(c) Semi solids(d) Solids
Insulators making rubbing contact require _______(a) Low conductivity(b) High conductivity(c) Low pressure(d) High pressure
In solid lubricants, the _________ will be low.(a) coefficient of friction(b) calorific value(c) stability(d) cleanliness
Soft metal lubricants are produced by using ____________(a) purifying(b) thermal spraying(c) distillation(d) electroplating
The crystal lattice of the inorganic lubricants has a ___________ forming thin parallel planes.(a) octagonal rings(b) hexagonal rings(c) pentagonal rings(d) trigonal rings
A good liquid lubricant must possess the property of ___________(a) Low viscosity(b) High boiling point(c) High freezing point(d) Low oiliness
Sodium base greases can be utilized up to the temperature of ____________(a) 175^oC(b) 100^oC(c) 75^oC(d) 80^oC
The lubricant should have __________ vapor pressure.(a) High(b) Extreme(c) Moderate(d) Low
The more friction of the greases is due to their high __________(a) velocity(b) viscosity(c) temperature coefficient(d) buoyancy