Steady flow occurs
A.when the velocity at a given point changes steadily with time
B.when the velocity at a given point does not change with time
C.when the velocity does not change with respect to space
D.when the velocity be changed
Category: Chemical Engineering Mcqs
In ?-decay the ratio of neutron to proton
A.remains unchanged
B.decreases
C.increases
D.may decrease or increase
The doctor solution consists of sodium plumbite in
A.aqueous caustic soda
B.soda ash
C.water
D.ethanol
In the electrical network analysis method the total radiation which leaves a surface per unit time per unit area is termed as
A.Radiosity
B.Irradiation
C.Flux
D.Spatial resistance
E.Potential
Which of the following processes is used to manufacture petroleum coke?
A.Visbreaking
B.Delayed coking
C.Hydrocracking
D.Fluid catalytic cracking
A black body absorbs all radiations. As a result of absorption of these radiations
A.A black body shines
B.The temperature of black body rises
C.Black body radiates energy to other bodies
D.Black body becomes good conductor of heat
Which one of the following static characteristics of instruments is undesirable?
A.Accuracy
B.Reproducibility
C.Sensitivity
D.Drift
A reaction which proceeds with evolution of heat is called
A.thermo-nuclear reaction
B.endothermic reaction
C.exothermic reaction
D.photochemical reaction
Pyrophosphoric acid can be made by heating the orthophosphoric acid to
A.100?C
B.250?C
C.900?C
D.1400?C
