Colour of the petroleum products can be determined by
A.Abel apparatus
B.Pensky -Martens apparatus
C.Saybolt chromometer
D.all of the above
Category: Engineeeing Mcqs
Molecular transmission of heat is smallest in case of
A.Gases
B.Liquids
C.Liquids with impurities
D.Solids
E.Alloys
If a particle charges its angular velocity from 30 to 35 rpm in 20 seconds then it has angular acceleration of
A.10 rev/min2
B.15 rev/min2
C.20 rev/min2
D.30 rev/min2
A flywheel 200 cm in diameter is rotating at 100 rpm. A point one the rim of the flywheel will not have
A.angular velocity
B.centripetal acceleration
C.tangential acceleration
D.all of the above
The force which produces an acceleration of 1 m/sec2 in a mass of 1 kg is called
A.One erg
B.100 ergs
C.one watt
D.one Newton
E.one joule
Vapour pressure of a liquid is due to
A.the existence of free surface
B.the fluid pressure
C.the pressure of air above the free surface
D.the molecules of liquid which hang over the free surface
A simply supported beam of span L which carries over its full span a load varying uniformly from zero at either ends to W kg/m at mid-span, will have zero shear force at
A.Ends
B.Mid-spam
C.Both at ends as well as mid-span
D.At L/4 from either end
E.None of the above
Permeability of a foundry sand is
A.Capacity to hold moisture
B.Porosity to permit the escape of gases
C.Distribution of binder in sand
D.The ability of sand to withstand high temperatures
E.Fineness of sand
A chain drive is used for
A.Very short distance
B.Short distance
C.Medium distance
D.Long distance
E.Distance is no criteria for such drives
The viscosity of a liquid
A.remains unaffected with change in temperature
B.decreases with increase in temperature
C.increases with increase in temperature
D.is dependent on pressure only
