Related Questions

The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
A Cationic
B Anionic
C Amphoteric
D Semi polar
Presence of sodium tripolyphosphate (an additive) in synthetic detergent
A Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
B Inhibits its corrosive effects
C Does not allow redeposition of dirt on the cleaned surface
D None of these
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
If the engine coolant leaks into the engine oil, then engine oil
A Appears milky
B Become foamy
C Turns black
D None of these
A multigrade lubricating oil means an oil having high
A Viscosity index
B Viscosity
C Aniline point
D Flash point
When a detergent is added to pure water, its surface tension
A Increases
B Decreases
C Remains constant
D Becomes infinite
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
Paraffins are desirable in lubricating oil, as it has got high
A Viscosity
B Viscosity index
C Smoke point
D Pour point
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

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