Barter system can work successfully when
A.people are fully educated
B.society is developed
C.wants are limited
D.demand is equal to supply
Category: Mechanical Engineering Mcqs
Which of the following condition of rail surface will offer the least resistance?
A.Very wet
B.Very dry
C.Average dampness
D.Greasy
The gauge factor for doped crystal is in the range
A.0.5 to 1
B.1 to 2
C.2 to 20
D.20 to 50
E.100 to 5000
Out of the following diesel engines, the minimum air consumption per BHP will be in
A.4 stroke mechanical injection
B.4 stroke air injection
C.2 stroke mechanical injection pump scavenging
D.2 stroke air injection
Which of the following is the major source of flyash emission?
A.Sintering plants
B.Oil refineries
C.Blast furnace
D.Power plants
E.Sulphuric acid plant
Flux used in cupola while melting cast iron is
A.lime stone
B.coke slurry
C.molasses
D.any of the above
The ratio inertia forces/surface tension force gives a non-dimensional number known as
A.Weber number
B.Shround number
C.Cauchy number
D.Euler number
E.Froude number
Falling drops of water become spherical due to
A.Adhesion
B.Cohesion
C.Dynamic viscosity
D.Kinematic viscosity
E.Surface tension
