A batch reactor is characterized by
Integral method is used for analysis of kinetic data
The reaction Cl2+H2 → 2HCL is carried out in the presence of sunlight. What is the order of reaction
Transition state theory predicts the temperature dependency of reaction rate as
Sum of the powers of the concentration term in the rate equation is called the
The rate of reaction doubles for each 100C rise in temperature. What activation energy would this suggest at a temperature 250C
If n is the order of reaction, then unit of rate constant is
Match List I correctly with List II and select your answer using the codes given below :
Codes :
Economy of an evaporator is defined as
Capacity of an evaporator is defined as
25 per cent cut segmental baffle means
In a finned tube heat exchanger
Two very large gray planes are at the constant temperatures of T1 and T2. If the two gray planes have emissivities of ε1 and ε2, respectively, what is the net heat exchange rate per unit area
Dittus-Boelter equation, NNu=0.023 (NRe) (NPr)n, where n = 0.4 for hot fluid and n = 0.3 for cold fluid, is applicable for
In forced convection the heat transfer depends on
The Fourier number (N) is defined as
The thermal diffusivity of a material is defined as
When heat is transferred by a chain of molecules from the hot area of an object to a colder area, the process of heat transfer is called
Cavitation in centrifugal pumps is caused by
For a specific impeller diameter, fixed impeller speed of a centrifugal pump, and constant density,
Select the correct relation for centrifugal pumps at equal efficiencies.
Cavitation in fluid flow occurs when
The momentum correction factor (β) is used in fluid flow problems to account for
Friction factor f = 16/NRe is valid for
Which of the following has the form of a Mach number (NMa)
Which curve in the given figure represents Newtonian fluid
A Newtonian fluid is one which
Calcination of limestone is not done in a ............ kiln for producing lime.
Fire clay is
Carborundum consists mainly of