A. Induction motor
B. Electrostatic precipitator
C. Fast breeder reactor
D. Magneto hydrodynamic generator (MHD)
Related Mcqs:
- Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about ____________ decibels?
A. 3
B. 30
C. 7
D. 70 - Foaming and priming in boiler operation can be reduced by reduction in ______________ in feed water?
A. Turbidity
B. Color (Hazen)
C. Total solids
D. All A., B. & C. - Which of the following processes cannot be made reversible even under ideal condition of operation ?
A. Free expansion of a gas
B. Compression of air in a compressor
C. Expansion of steam in a turbine
D. All (A), B. & (C) - On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)s and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv) ?
A. (∂P/∂V)S = (∂P/∂V)T
B. (∂P/∂V)S = [(∂P/∂V)T]Y
C. (∂P/∂V)S = y(∂P/∂V)T
D. (∂P/∂V)S = 1/y(∂P/∂V)T - Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?
A. P + F – C = 2
B. C = P – F + 2
C. F = C – P – 2
D. P = F – C – 2 - The four properties of a system viz. P, V, T, S are related by ______________ equation?
A. Gibbs-Duhem
B. Gibbs-Helmholtz
C. Maxwell’s
D. None of these - _________________ chart is a graph related to Antoine equation ?
A. Ostwald
B. Cox
C. Mollier’s
D. Enthalpy-concentration - Water flow in the river during flood can be categorized as the _________________ flow ?
A. Unsteady uniform
B. Unsteady non-uniform
C. Steady uniform
D. Steady non-uniform - Fire in fuel gas pipelines is extinguished most effectively by _________________?
A. Spraying water
B. Blanketting the area with nitrogen atmosphere
C. Fire fighting foam
D. None of these - An ideal material for making cooking vessels should have___________________?
A. High heat capacity
B. Low heat capacity
C. High thermal conductivity
D. Both B. and C.
