Related Questions

If 'blue' means 'green', green' means 'yellow' 'yellow' means 'orange', 'orange' means 'black', 'black' means 'white', 'white' means 'red', 'red' means 'pink', 'pink' means 'brown', 'brown' means 'grey', than what is the color of human blood?
A black
B red
C white
D orange
Paraffins are desirable in lubricating oil, as it has got high
A Viscosity
B Viscosity index
C Smoke point
D Pour point
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
With increase in temperature, the thermal conductivity of fresh lubricating oil
A Increases
B Decreases
C Remains unchanged
D May increase or decrease; depends on its composition
Detergent is added as an additive in engine lubricating oil to
A Reduce deposit formation
B Keep contaminants in suspension
C Increase oxidation stability
D Prevent rusting
Higher vicosity index of a lubricating oil denotes
A Less changes in fluidity of oil with temperature
B Substantially high change in fluidity of oil with temperature
C Its unsuitability under varying temperature conditions
D None of these
Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.
A Vane
B Piston
C Centrifugal
D Plunger
Moisture can be removed from lubricating oil using
A Tubular centrifuge
B Clarifier
C Sparkler filter
D Vacuum leaf filter
__________ is not an important refinery process for upgrading the quality of lubricating oil.
A Deoiling
B Solvent refinning
C Clay treatment
D Hydrotreatment
Viscosity index of a lubricating oil
A Is the measure of its flash point
B Is the measure of variation of viscosity with temperature
C Should be low
D None of these

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