Atoms of U-235 and U-238 differ in structure by
A.three electrons
B.three protons
C.three neutrons
D.three electrons and three protons
Category: Engineeeing Mcqs
In rainy season desert coolers become ineffective
A.Because of low temperature
B.Pleasant weather
C.Rain serves the purpose of cooler
D.Humidity of air increases
E.None of the above
The mass of water vapour per kg of the pressure of saturated vapour at the air is known as
A.Specific humidity
B.Relative humidity
C.Molar humidity
D.Humidity ratio
E.None of the above
For which fluid combination the value of overall heat transfer coefficient will be least?
A.Feed water heaters
B.Alcohol condensers
C.Air to heavy tars
D.Air condensers
The buckling load depends on
A.Modulus of elasticity
B.Slendemess ratio
C.Cross-sectional area
D.All of the above
E.None of the above
In a fabric filter the pressure drop
A.increases directly as viscosity of the gas and inversely as density of the gas
B.increases directly as density of the gas and inversely as viscosity of the gas
C.increases directly as density of the gas and independent of the viscosity of the gas
D.none of the above
Slelective surfaces
A.maximize the absorption of solar energy and emission of radiative loss
B.manimize the absorption of solar energy and emission of radiative loss
C.Maximize the absorption of solar energy and minimize emission of radiative loss
D.minimize the absorption of solar energy and maximize emission of radiative loss
Turbidity in water may be removed by
A.Sedimentation
B.Filtration
C.Agitation
D.Aeration
E.Oxidation
In above problem the resultant reaction between the cannon and the ground would be
A.50 tonnes
B.145 tonnes
C.286.5 tonnes
D.573 tonnes
E.1146 tonnes
