ME GATE 2011 - Online Test

Q1. The maximum possible draft in cold rolling of sheet increases with the
Answer : Option A
Explaination / Solution:
No Explaination.


Q2. If a mass of moist air in an airtight vessel is heated to a higher temperature, then
Answer : Option D
Explaination / Solution:
No Explaination.


Q3. The operation in which oil is permeated into the pores of a powder metallurgy product is known as
Answer : Option C
Explaination / Solution:
No Explaination.


Q4. In a condenser of a power plant, the steam condenses at a temperature of 60o C . The cooling water enters at 30o C and leaves at 45o C . The logarithmic mean temperature difference (LMTD) of the condenser is 
Answer : Option B
Explaination / Solution:

Flow configuration in condenser as shown below. 


Q5. Green sand mould indicates that
Answer : Option D
Explaination / Solution:
No Explaination.


Q6. The word kanban is most appropriately associated with
Answer : Option B
Explaination / Solution:
No Explaination.


Q7. Heat and work are
Answer : Option D
Explaination / Solution:

Heat and work are path functions. Since δQ and δW are dependent on path followed between two given end states of a thermodynamic process undergone by system.

Q8. The coefficient of restitution of a perfectly plastic impact is
Answer : Option A
Explaination / Solution:

Coefficient of Re stitution = Relative velocity of separation/Relative velocity of approach
                                         = O for perfectly plastic impact
 since both bodies clinge together after impact.

Q9. A streamline and an equipotential line in a flow field
Answer : Option B
Explaination / Solution:


Slope of equipotential Line × slope of stream function= -1 
They are orthogonal to each line other. 

Q10. A pipe of 25mm outer diameter carries steam. The heat transfer coefficient between the cylinder and surroundings is 5W /m2K . It is proposed to reduce the heat loss from the pipe by adding insulation having a thermal conductivity of 0.05W/mK. Which one of the following statements is TRUE? 
Answer : Option C
Explaination / Solution:
No Explaination.