CS/B.Tech-AUE(NEW)/SEM-6/AUE-602/2013
2013
POWER UNITS AND TRANSMISSION
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following :
10x1 = 10
i) Double declutching is required in constant mesh gear
box
a) to provide the direct grear
b) to equalize the speed of main shaft gear and the
sliding dog
c) to equalize the speed of counter shaft gear and the
sliding dog
d) none of these.
ii) In the torque converter, oil leaving the turbine is
changed into a helping direction by curved
a) pump vanes
b) turbine vanes
c) stator vanes
d) none of these.
iii) In a fluid coupling the greater the difference between
the speed of the driving and driven member
a) the higher the coupling efficiency
b) the lower the turbulence
c) the lower the coupling efficiency
d) none of these.
iv) Clutch chattering or grabbing is noticeable
a) at low speed
b) when engaging the clutch
c) when accelerating
d) during idling.