CS/B.TECH(ME/PE)/SEM-8/ME-812/2012
2012
ROBOTICS AND ROBOT APPLICATIONS
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 any ten of the following :
10 × 1 = 10
i) For what type of robot is the precision uniform
throughout the work envelope ?
a) Cartesian-coordinate robot
b) Cylindrical robot
c) Spherical robot
d) SCARA robot.
ii) The maximum elevation about the work surface that the
wrist mounting flange can reach is known as
a) horizontal reach b) horizontal stroke
c) vertical reach d) vertical stroke.
iii) Which type of sensor is used as proximity switch and
for determining the accuracy and repeatability of
commercial robotic manipulators ?
a) Optical proximity sensor
b) Ultrasonic proximity sensor
c) Eddy current proximity sensor
d) Inductive proximity sensor.
iv) Which type of grippers may be employed, when the
objects to be handled are too large and ferromagnetic in
nature ?
a) Adhesial gripper
b) Electromagnetic gripper
c) Specialised gripper
d) None of these.