A flywheel 200 cm in diameter is rotating at 100 rpm. A point on the rim of the flywheel will not have
A.angular velocity
B.centripental acceleration
C.tangential acceleration
D.all of the above
Category: Mechanical Engineering Mcqs
A coarse scres of major diameter 6 mm is designated as
A.1 x 6 M
B.Coarse M 6
C.M 6
D.6 M x 6 x 1
E.6 M x 1
The binding material in diamond tools is
A.Cobalt
B.Graphite
C.Carbon
D.Cement
E.None of the above
In case of instantaneous centre of rotation
A.Only three rigid links have no linear velocities relative to each other
B.Two rigid links rotate instantaneously relative to each other
C.One rigid link has no linear velocity
D.The two rigid links have no linear velocities relative to each other at the instantaneous centre
E.None of the above
The efficiency of a thermal power plant improves with
A.Larger quantity of water used
B.Lower load on the plant
C.Increased quantity of coal burnt
D.Use of high pressure steam
E.All of the above
Three Carnot engines A, B and C having source temperature of 750?K, 700?K and 650?K have sink temperatures respectively 400?k, 350?k and 300?k. Which engine is the least efficient?
A.Engine A
B.Engine B
C.Engine C
D.All being Carnot engine have identical efficiencies
Which of the following has least wave-length?
A.Cosmic rays
B.Ultraviolet rays
C.X-rays
D.Gamma rays
Steel balls for ball bearings are generally made of
A.Stainless steel
B.Free carbon steel
C.Carbon chrome steel
D.Nodular cast iron
E.Cast steel
Which of the following test on castings is based on sound?
A.Impact test
B.Percussion test
C.Radiographic
D.Magnetic particle inspections
A continuous beam is one which is
A.Infinitely long
B.Supported at two points only
C.Supported at more than two supports
D.Fixed at the ends and simply supported at intermediate point
E.None of the above
