Turbidity of water is usually measured in terms of
A.Sodium scale
B.Silica scale
C.Cobalt scale
D.Platinum scale
E.Calcium scale
Category: Mechanical Engineering Mcqs
Which of the following class of materials are good conductors of heat and electricity?
A.Metals
B.Ceramics
C.Polymers
D.Dielectries
In a S.I. engine high air velocity through air hom may be of the order of
A.1 m/s
B.5 m/s
C.10 m/s
D.50 m/s
E.100 m/s
Which of the following does not use ambient air for propulsion?
A.Turbo jet
B.Pulse jet
C.Turbo-prop
D.Rocket
Tumbling is done to
A.Clean the surface of small parts
B.Stress relieve the components
C.Get surface finish
D.To plate the surface
E.To break the material into pieces
The performance of a windmill rotor is indicated by plotting the variation of
A.coefficient of performance against tip speed ratio
B.maximum power available in the wind against wind speed
C.power delivered by the rotor against wind speed
D.maximum power available in the wind against speed at the tip of the rotor
While using high speed steel tools on lathe the speed of chuck will be lowest while machining
A.Cast iron
B.Copper
C.Brass
D.Aluminium
E.White metal
As the temperature increases, the viscosity of a gas
A.increases, increases
B.decreases, decreases
C.increases, decreases
D.decreases, increases
Coriorli’s component of acceleration exists whenever a point moves along a path that has
A.Linear displacement
B.Rotational motion
C.Gravitational acceleration
D.Tangential acceleration
E.Centripetal acceleration
Gears of watches are generally manufactured by
A.Die casting
B.Machining on a gear shaper
C.Machining on a hobber
D.Power metallurgy process
E.Stamping
