MECHATRONICS MULTIPLE CHOICE QUESTIONS ANSWERS

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  MECHATRONICS MULTIPLE CHOICE

QUESTIONS ANSWERS 

  1. Mechatronics falls in

  1. Mechanical engineering

  2. Computer engineering

  3. Electronics Engineering

  4. None

   ANS: (d)

  1. Mechatronics falls in

  1. Mechanical& Computer engineering

  2. Computer & Electronic engineering

  3. Interdisciplinary branch

  4. None

   ANS: (c)

  1. The word MECHATRONICS was first registered in

  1. USA

  2. Germany

  3. UK

  4. None

   ANS: (d)

  1. The word MECHATRONICS was first registered  in

  1. USA

  2. KOREA

  3. JAPAN

  4. None

   ANS: (c)

  1. Who was the inventor of mechatronics

  1. Testudo Mori

  2. Robert H

  3. De Silva

  4. None

   ANS: (a)

  1. In which year, mechatronic came into existence

  1. 1961

  2. 1965

  3. 1969

  4. None

   ANS: (c)

  1. Mechatronics deals with

  1. Robotics & Electro-mechanical systems

  2. Control systems & robotics

  3. Robotics, control systems & electro-mechanical systems

  4. None

   ANS: ©

  1. Various modules of mechatronic are

  1. Sensors & Action

  2. Action & Control

  3. Control, action & sensors

  4. None

   ANS: ©

  1. Sensing module of mechatronics includes

  1. Sensors

  2. Signal conditioning

  3. Both (a) & (b)

  4. None

   ANS: (d)

  1. Sensing module of mechatronics includes

  1. Sensors & Signal conditioning

  2. Conversion from analog to digital & digital to analog

  3. Both (a) & (b)

  4. None

   ANS: (c)

  1. Control module of mechatronics include

  1. Open loop control

  2. Closed loop control

  3. Semi-open loop control

  4. None

   ANS: (d)

  1. Control module of mechatronics include

  1. Open loop & semi open controls

  2. Closed loop and open loop controls

  3. Semi-open loop control

  4. None

    ANS: (b)

  1. Action module of mechatronics contains

  1. Drive circuits and motors

  2. Motors & actuators

  3. Both (a) & (b)

  4. None

   ANS: (d)

  1. Action module of mechatronics contains

  1. Drive circuits, sensors and motors

  2. Motors, actuators and drive circuits

  3. Signal conditioning & drive circuits

  4. None

  5. ANS: (b)

  1. Actuators of Mechatronics convert

  1. Mechanical energy into chemical energy

  2. Mechanical energy into electrical energy

  3. Electrical energy into mechanical energy

  4. None

   ANS: (c)

  1. Which one is the mind of Mechatronics?

  1. Actuator

  2. Controller

  3. Sensor

  4. None

    ANS: (b)

  1. In the open loop system of Mechatronics, send command signals to actuators

  1. Using sensors

  2. Without using sensors

  3. Both (a) & (b)

  4. None

   ANS: (b)

  1. Which is the more common mode of operation in Mechatronics?

  1.  Open loop system

  2. Closed loop system

  3. Both (a) & (b)

  4. None

   ANS: (b)

  1. Which is not an example of Mechatronics System?

  1. Antilock brake system (ABS)

  2. Antilock clutch system (ACS)

  3. Scanner

  4. None

   ANS(b)

  1. Reliability of a Mechatronics system is

  1. <50 %

  2. = 50 %

  3. > 50 %

  4. None

   ANS: ©

  1. Safety provided by a Mechatronic system is

  1. Less

  2. More

  3. Both (a) & (b)

  4. None

   ANS: (b)

  1. As compared a mechanical system, Mechatronics system occupies

  1. Less space

  2. More Space

  3. Equal space

  4. None

   ANS: (a)

  1. The word Mechatronic comes from

  • Mecha from mechanical & tronic from electronics

  • Mecha from mechanism & tronics from electronics

  • Both (a) & (b)

  • None

   ANS: (b)

  1. Complete evolution of Mechatronics includes

  1. Information and industrial revolutions

  2. Semiconductor, information and information revolutions

  3. Industrial and semi-conductor revolution

  4. None

    ANS:(b)

  1. Number of evolution stages of Mechatronics are

  1. 2

  2. 4

  3. 6

  4. None

    ANS: (b)

  1. Which one is not the manufacturing application of Mechatronics?

  1. ATM

  2. CNC machines

  3. Prototyping

  4. None

    ANS:(a)

  1. The problem identification in Mechatronics system is

  1. Complex

  2. Simple

  3. Both (a) & (b)

  4. None

    ANS: (a)

  1. Mechatronics systems requires

  1. Highly skilled persons

  2. Less skilled persons

  3. Medium skilled persons

  4. None

    ANS: (a)

  1. Mechatronics is a combination of

  1. Mechanical & Electronics engineering

  2. Electronics & Computer engineering

  3. Mechanical, electronics & software engineering

  4. None

    ANS: (c )

  1. The company which adopted mechatronics first was

  1. Yaskawa

  2. Yaskiwa

  3. Yaskuwa

  4. None

    ANS: (a)

  1. How many levels of evolution mechatronics have?

  1. 4

  2. 6

  3. 8

  4. None

   ANS: (a)

  1. A sensor is an element which gives a signal for the quantity measured in terms of

  1. Mechanical quantity

  2. Computer quantity

  3. Electrical quantity

  4. None

   ANS: (c)

  1. Main parameters of a measurement system in Mechatronics are

  1. Actuator, sensor and signal conditioner

  2. Sensor, signal conditioner and Display unit

  3. Signal conditioner, display unit and actuator

  4. None

  ANS: (b)

  1. How many performance parameters the sensors and transducers have?

  1. 4

  2. 8

  3. 12

  4. None

  ANS: ©

  1. The accuracy performance parameter of sensors & transducers gives

  1. Difference between the measured value and real true value of the quantity measured

  2. % difference between the measured value and real true value of the quantity measured

  3. Both (a) & (b)

  4. None

  ANS: (b)

  1. The error performance parameter of sensors & transducers gives

  1. Difference between the measured value and real true value of the quantity measured

  2. % difference between the measured value and real true value of the quantity measured

  3. Both (a) & (b)

  4. None

   ANS: (a)

  1. The sensitivity performance parameter of sensors and transducers stands for

  1. Ratio of change in output to change in input

  2. Ratio of output to input

  3. Both (a) & (b)

  4. None

   ANS: (a)

  1. The resolution parameter measuring displacement of 20 mm over a scale of 1 to 100 is

  1. 20 mm

  2. 2mm

  3. 2 mm

  4. None

    Ans: (c )

  1. Stability of a sensor/transducer stands for same output vs certain fixed input

  1. Firstly over a period of time

  2. Secondly over a certain temperature difference

  3. Thirdly over a certain pressure difference

  4. None

   ANS: (a)

  1. Principal modes of energy transfer in actuators are

  1. Electrical & pneumatic

  2. Pneumatic & Hydraulic

  3. Hydraulic, pneumatic & electrical

  4. None

    ANS: (c)

41.  A mechanical engineer become fit for mechatronics if he posses the knowledge of

(a) Chemical engineering

(b) Computer engineering

(c)  (a) & (b)

(d) None

 ANS: (d)

42. A mechanical engineer become fit for mechatronics if he posses the knowledge of

(a) Software engineering

(b) Instrumentation & electronics

(c) Both (a) & (b)

(d) None

 ANS: (c)

43. Products produced with mechatronics are

(a) Cheap & reliable

(b) Simple with long life

(c) Both (a) & (b)

(d) None

 ANS: (c)

44. The future scope of mechatronics falls in

(a) Artificial intelligence

(b) Industrial automation

(c) Both (a) & (b)

(d) None

 ANS: (c)

45.  Open loop control system in mechatronics has

(a) No control on input

(b) Full control on input

(c) Partial control on input

(d) None

 ANS: (a)

46. Closed loop control system in mechatronics has

(a) No control on input

(b) Full control on input

(c) Partial control on input

(d) None

 ANS: (b)

47. Feedback system of mechatronics contains

(a) Modification of input by the part of output

(b) Control of output by a part of input

(c) Both (a) & (b)

(d) None

 ANS: (a)

48. Input to mechatronics means

(a) Excitation applied to control system by an outside source

(b)Excitation applied to control system by an inside source

(c) Both (a) & (b)

(d) None

 ANS: (a)

49. Output in a mechatronic system means

(a) Expected response from the system

(b) Actual response from the system

(c) Both (a) & (b)

(d) None

 ANS: (b)

50. Open loop system gives

(a) Most accurate

(b) Slow accurate

(c) Mean accuracy

(d) None

 ANS: (b)

51. Open loop system in mechatronics has 

(a) Good stability & reliability

(b) Quick response and easy maintenance

(c)  (a) & (b) 

(d) None

 ANS: (c)

52. Out of open and closed loop systems in mechatronics, which one is more in use?

(a) Open loop system

(b) Closed loop system

(c)  (a) and (b)

(d) None

ANS: (b) 

52. Out of open and closed loop systems in mechatronics, which one is stable?

(a) Open loop system

(b) Closed loop system

(c)  (a) and (b)

(d) None

ANS: (b) 

53.. Out of open and closed loop systems in mechatronics, which has better repeatability?

(a) Open loop system

(b) Closed loop system

(c)  (a) and (b)

(d) None

ANS: (b) 

54. Out of open and closed loop systems in mechatronics, which one overcomes temperature and hysteresis effects?

(a) Open loop system

(b) Closed loop system

(c)  (a) and (b) 

(d) None

ANS: (b) 

55. Out of open and closed loop systems in mechatronics, which one is more simple in construction?

(a) Open loop system

(b) Closed loop system

(c)  (a) and (b) 

(d) None

ANS: (a)

56. Which skills are required by mechatronic engineers ?

(a) Mechanical skills and electrical skills

(b) mechanical and Electronic skills

(c)  Multidisciplinary skills

(d) None

ANS: (c)

 

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