A solid spherical ball rolls on a table. The momen’ of inertia of the ball is given by 3/5 x mass x radius2. The ratio of translational and rotational kinetic energies for ball will be
A.1
B.2
C.5?3
D.7?8
E.7?16
Category: Mechanical Engineering Mcqs
Tin coated low carbon steel chaplets are used in
A.ferrous foundries
B.non-ferrous foundries
C.both (A) and (B) above
A rope brake dynamometer falls under the category of
A.Mechanical friction type dynamometer
B.Hydraulic dynamometer
C.Transmission type dynamometer
D.Torsion type dynamometer
E.Electrical type dynamometer
The velocity potential exists
A.For all types of continuous flow
B.Only for rotational flow
C.Only for irrotational flow
D.Only for laminar flow
E.Only for unidirectional flow
In screw conveyors, ribbon screws are used for
A.wet and sticky materials
B.granular materials
C.none of the above
In a modern steam turbine, the steam rte is nearly
A.1 kg/kWhr
B.2 kg/kWhr
C.4 kg/kWhr
D.8 kg/kWhr
A 6 x 7 steel wire rope indicates
A.The rope has six strands and each strand is composed of seven wires
B.the rope has six wires and each wire has seven strands
C.The rope has 6 mm mean diameter and 7 mm outer diameter
D.The core wire has 6 mm diameter and it is covered by seven strands
A muff type coupling
A.Is a simple type rigid coupling
B.Is a simple type of flexible coupling
C.Is used for coplanar shafts
D.Is used for non-coplanar shafts
E.Non of the above
Uniform flow occurs when
A.Conditions do not change with time at any point
B.Rate of change of velocity of fluid is zero
C.At every point the velocity vector is identical in magnitude and direction for any given instant
D.The change in transverse direction are zero
E.None of the above
