GATE CH topic:process-engineering PYQs & Answers — Page 41

Questions 401–410 of 650. Imported answers require independent review unless marked reviewed.

Which one of the following methods requires specifying an initial interval containing the root (i.e., bracketing) to obtain the solution of

, where

is a continuous non-linear algebraic function?

Your answerChoose one option.

Newton-Raphson method

regula falsi method

secant method

fixed point iteration method

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Consider the hyperbolic functions in Group – 1 and their definitions in Group – 2.

Group – 1: P

; Q

; R

; S

Group – 2: I

; II

; III

; IV

The correct combination is

Your answerChoose one option.

P – IV, Q – I, R – III, S – II

P – II, Q – III, R – I, S – IV

P – IV, Q – I, R – II, S – III

P – I, Q – II, R – IV, S – III

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Consider the following continuously differentiable function

where

, and

represent the respective unit vectors along the

, and

directions in the Cartesian coordinate system. The curl of this function is

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Consider the following unit step function.

Diagram for Chemical Engineering question 4

The Laplace transform of this function is

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In a constant-pressure cake filtration with an incompressible cake layer, volume of the filtrate (

) is measured as a function of time

. The plot of

versus

results in a straight line with an intercept of

. Area of the filter is

, viscosity of the filtrate is

, and the overall pressure drop across the filter is 20 kPa. The value of the filter-medium resistance (in

) is

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In a laboratory experiment, a unit pulse input of tracer is given to an ideal plug flow reactor operating at steady state with a recycle ratio,

. The exit age distribution,

, of the tracer at the outlet of the reactor is measured. The first four pulses observed at

, and

are shown below.

Diagram for Chemical Engineering question 6

In addition, use the following data and assumptions:

is defined as ratio of the volume of fluid returned to the entrance of the reactor to the volume leaving the system

No reaction occurs in the reactor

Ignore any dead volume in the recycle loop

If the space time of the plug flow reactor is

seconds, which one of the following is correct?

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The square of Thiele modulus,

, is given by

, where

is the characteristic length of the catalyst pellet,

is the rate constant of a first order reaction, and

is the effective diffusivity of the species in the pores.

is a measure of

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Hot-wire anemometer is used for the measurement of

Your answerChoose one option.

composition

flow

pressure

temperature

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Pure gas P is being absorbed into a liquid. The dissolved P undergoes an irreversible reaction in the liquid film. The reaction is first order with respect to P. Which one of the following represents the concentration profile of P in the liquid film at steady state?

Your answerChoose one option.

Diagram for Chemical Engineering question 9

Diagram for Chemical Engineering question 9 (figure 2)

Diagram for Chemical Engineering question 9 (figure 3)

Diagram for Chemical Engineering question 9 (figure 4)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Consider a batch distillation process for an equimolar mixture of benzene and toluene at atmospheric pressure. The mole fraction of benzene in the distillate collected after 10 minutes is 0.6. The process is further continued for additional 10 minutes. The mole fraction of benzene in the total distillate collected after 20 minutes of operation is

Your answerChoose one option.

less than 0.6

exactly equal to 0.6

exactly equal to 0.7

greater than 0.7

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE CH topic:process-engineering PYQs

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10