The edge of the plates for boilers and tanks are usually bevelled at an angle of 80?
A.To reduce stress concentration
B.For safety
C.To facilitate joining
D.For fullering and caulking
E.None of the above
Category: Engineeeing Mcqs
In Brinell hardness testing the timer for loading is
A.1 second
B.2 seconds
C.5 seconds
D.15 seconds
E.1 minute
When two persons exchange their goods without bringing in money, it is known as
A.internal exchange
B.block exchange
C.barter
D.profiteering
A cycle chain is a kinematic chain
A.Yes
B.No
C.Yes, provided the links are limited in number
D.Yes provided the distance is limited
E.None of the above
Short circuit means:
A.Direct flow of current between two points of different potential
B.Indirect flow of current between two points
C.Direct flow of current between points of the same potential
D.none of the above
The tensile strength of nodular iron may be of the order of
A.100 kg/cm2
B.500 kg/cm2
C.1000 kg/cm2
D.2000 kg/cm2
E.4000 kg/cm2
For substances which are incompressible CP and CV are related as
A.Cp = Cv
B.Cp >> Cv
C.Cp << Cv
The spring constant k of a coil-spring is
A.directly proportional to the number of coils in the spring
B.inversely proportional to the number of coils in the spring
C.inversely proportional to the square of the number of coils in the spring
D.directly proportional to the square of the number of coils in the spring
H/C ration (by weight) for the same number of carbon atoms is the highest in the
A.paraffins
B.naphthenes
C.olefins
D.aromatics
When Freon 12 is used as a refrigerant in vapour compression cycle, the mass circulated per ton of refrigerating effect will be nearly
A.0.2 kg
B.0.5 kg
C.1 kg
D.12 kg
E.1.8 kg
