The mechanism used in a petrol engine is
A.Crank mechanism
B.Slider mechanism
C.Slider crank mechanism
D.Natural line and circular mechanism
E.None of the above
Category: Theory of Machines Mcqs
The key generally used in wrist watches is
A.Saddle key
B.Sunk key
C.Wood ruff key
D.Tangent key
E.None of the above
Can simple band brake be made self-energising type
A.Yes
B.Yes, but with few limitations
C.Yes, but with require several modifications
D.No
E.Will not be economical
A gear box in an automobile utilises
A.Simple gear train
B.Compound gear train
C.Epicyclic gear train
D.Compound-epicyclic gear train
E.None of the above
Hammer blow in locomotives results in
A.Pulsating torque
B.Uniform torque
C.Tendency to lift wheel from rails
D.Uneven speed
E.Variable horizontal force
Kinematics of machines deals with
A.Apparatus for applying mechanical power
B.Number of inter-related parts
C.The forces acting on the parts of the machine
D.The relative motion between the parts, neglecting the consideration of the force
E.None of the above
Identify incorrect statement regarding the flywheel, if any
A.It is provided to minimise vibration of engine
B.It is provided to control engine speed
C.It takes care of output fluctuations and controls input accordingly
D.In help in starting engine
E.All above
The frictional torque transmitted by a cone clutch is the same as that of
A.flat collar bearing
B.conical pivot bearing
C.truncated conical pivot bearing
D.None of the above
Slip in turning belt is
A.Zero
B.Always restricted to 1 percent
C.Less than 5%
D.Maximum permissible
E.Depends on the belt material
The mechanism used to enlarge or reduce moments for reproducing drawings to different scales is known as
A.Clinograph
B.Graphometer
C.Trisquare
D.Durograph
E.Pantograph
