Mechanical Engineering Mcqs


Share this... Share on Facebook
Facebook
 		Tweet about this on Twitter
Twitter
 		Share on LinkedIn
Linkedin
 		Share on Whatsapp
Whatsapp
  • IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG.

  • PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION.

    • Related Mcqs

  • The rate expression for a heterogeneous catalytic reaction is given by, – rA = K.KA PA(1 + KA.PA + KR.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) ?
  • An irreversible aqueous phase reaction, A + B → P, is carried out in an adiabatic mixed flow reactor. A feed containing 4kmole/m3 of each A and B enters the reactor at 8m3 /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed? Data: Heat of reaction = – 50 kJ/mole Density of the reacting mixture = 1000kg/m3 Specific heat of reacting mixture = 2kJ/kg.K The above data can be assumed to be independent of temperature and composition?
  • A catalyst in a chemical reaction____________________?
  • The following gas phase reaction is taking place in a plug flow reactor. A stoichiometric mixture of A and B at 300 K is fed to the reactor. At 1 m along the length of the reactor, the temperature is 360 K. The pressure drop is negligible and an ideal gas behaviour can be assumed. Identify the correct expression relating the concentration of A at the inlet (CA0), concentration of A at 1m (CA) and the corresponding conversion of A (X) ?
  • Mean residence time is equal to the space time, when_________________?

    • Leave a Reply

    Your email address will not be published. Required fields are marked *

    Submit Your Mcqs


    Management Sciences


    Engineering Subjects


    Medical Subjects


    LIKE US ON