A critical depthmeter is always
A.Associated with surge
B.Associated with water hammer
C.Associated with hydraulic jump
D.Associated with steep gradient
E.Associated with tranquil flow
Category: Engineeeing Mcqs
A closed cubical box 0.8 m on each side is half filled with water and the other half being filled with oil of specific gravity 0.75. Now if the box is accelerated upwards at the rate of 4.905 m/sec2 the pressure difference in kg/m2 between the top and bottom layers would be
A.490.5
B.545.5
C.981
D.1050
E.1800
Since the mass defect of the helium nucleus is 5.045 x 10-26 gm its binding energy must be
A.5.045 x 10-26 erg
B.4.54 x 10-5 erg
C.4.54 x 10-5 J
D.5.045 x 10-26 J
In oil burners air is supplied
A.To assist inflow of oil
B.To prevent clogging of burner
C.To improve combustion efficiency
D.To uniformly spray oil in combustion chamber
E.None of the above
The most common type of vapour absorption system in use for industrial application is
A.Freon 12 and water
B.Freon 22 and water
C.Ammonia and water
D.Brine and water
E.Hydrogen and water
Select the correct expression
A.Profit = revenue – operating cost
B.Profit = revenue – fixed cost
C.Profit = revenue – total cost
D.Profit = revenue – book value
Oil pan is attached
A.To the bottom of the cylinder block
B.In a separate unit away from the crankcase
C.At the top of the cylinder block
D.At the outside wall of the crank case
E.Adjacent to oil filters
Scheduling is
A.alloting a job to an operator
B.alloting a job to a machine
C.fixing the time of completition of a job
D.detailing the sequence of operation job wise and machine wise
Which dimensionless number indicates the relative strength of the buoyant to viscous forces?
A.Prandtl number
B.Grashoff number
C.Froude’s number
D.Weber number
Coarse grained steels
A.Are very tough
B.Are less tough
C.Do not have tendency to distort
D.Are denser
E.Are lighter
