Robotics and Automation Mid - I, September - 2014
1.The Czech word Robota means
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Forced worker
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Handicapped worker
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non paid worker
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lazy worker.
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Answer: A
2.The rotation of the Robot arm about vertical axis is called________
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Vertical traverse
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Radial Traverse
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Rotational Traverse
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Longitudinal Traverse
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Answer: C
3.Moving the robot wrist arm from center position to up and down is called
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Wrist pitch
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Wrist yaw
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Wrist Roll
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Wrist height.
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Answer: A
4.Robots ability to position its wrist end at a desired target point with in the work volume is_______
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Accuracy
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Repeatability
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Resolution
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Pay load
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Answer: A
5.Give example for External sensor
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Proximity sensor
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position sensor
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Velocity sensor
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Acceleration sensor
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Answer: A
6.Polar coordinate configuration robot is designated as_____________
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LLL
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TRL
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TRR
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VVR
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Answer: B
7.Rectangle working volume is present for which coordinate robot
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Polar configuration
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Cylinder configuration
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Cartesian configuration
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Joint arm configuration
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Answer: C
8.Relation between a stepper motor resolution and its step angle is given by when n = resolution; A = step Angle
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n=A*3600
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n=A/3600
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A=3600/n
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n=A/1800
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Answer: B
9.IF N1 is number of teeth on pinion and N2, is number of teeth in the gear then gear ratio(n) is________
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n= N2/N1
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n=N1*N2
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n= N1/N2
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n=N1+N2
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Answer: C
10.Actuator which uses liquid form of medium
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Electrical
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Stepper Motor
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Hydraulic
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Pneumatic
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Answer: C
11.Reorganization of the smallest increment movement by robot in its working volume is alled___________________
Answer: Resolution
12.Working volume for a Cartesian configuration of robot is in which shape __________________
Answer: Rectangle shape
13.Medium varieties of products medium quantity are produced by ________________ Automation.
Answer: Flexible automation
14.Abbreviate term SCARA______________________
Answer: Selective compliance assembly robot arm
15.For doing painting operation _____________path control robot is used (continuous / point to point)
Answer: Continuous
16.Sensor which sense object by touch/contact physically is__________________ sensor.
Answer: Tactile
17.Unit to measure capacity of robot power is_____________________
Answer: Watt
18.If large weights has to transfer then driving system preferred is______________________ (Hydraulic/ stepper motor)
Answer: Hydraulic
19.Ability of the robot to lift maximum load of its capacity is called_____________________
Answer: Pay load
20.Maximum distance covered by robot arm is called ____________________
Answer: Reach