Alpha brass is a (an)
A.Inermediate phase
B.Interstitial compound
C.Substitutional solid solution
D.None of the above
Category: Engineeeing Mcqs
The unit of energy is
A.J/s
B.J
C.W
D.N
Otto cycle consists of the set of processes as
A.Two isentropics and two constant volumes
B.Two isentropics and two constant pressure
C.Two adiabatic and two isothermal
D.Two isothermal and two constant volume
E.Two isothermal and two constant pressure
Which of the following operations improve wear resistance and mechanical properties of castings?
A.Shot peening
B.Chilling
C.Nitriding
D.All of the above
In a shell and tube heat exchanger, the corrosive liquid is normally passed through
A.Shell side
B.Tube side
C.Either of (A) and (B) above
D.None of the above
For any particular dust concentration in the feed stream to a fabric filter increasing the gas-to-fabric ratio will
A.result in an increased pressure drop
B.result in decreased pressure drop
C.not affect the pressure drop
The diffusivity of a constituent A in solution B has the units.
A.m/s
B.m2/s
C.m3/s
D.kmol/(m2-s)
In the elliptical trammel mechanism, the mid-point of the link connecting the two sliders traverses
A.an elliptical path
B.a parobolic path
C.a circular path
D.none of the above
