Explore topic-wise MCQs in ENGINEERING SERVICES EXAMINATION (ESE).

This section includes 28 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.

1.

 The controller characteristics for on-off controller follow _________.

A. only one curve
B. two curves
C. four curves
D. unpredictable
Answer» C. four curves
2.

On-off Control is also called as ________.
 

A. one position control
B. two position control
C. four position control
D. half position control
Answer» C. four position control
3.

Which of the following is/are the Continuous Control Mode/s used in control systems?

A. On-Off Control
B. Integral Control
C. Proportional Control
D. All of the above
Answer» E.
4.

When the output is bounded for bounded inputs, then the system is said to be_______.

A. stable
B. unstable
C. functional
D. nonfunctional
Answer» B. unstable
5.

What would be the relation between the resistances for laminar flow and turbulent flow for the same head (H) and flow rate (Q)?

A. Rturbulent = (1/2) x Rlaminar
B. Rturbulent = 2 x Rlaminar
C. Rturbulent = 4 x Rlaminar
D. Rturbulent = 2000 x Rlaminar
Answer» C. Rturbulent = 4 x Rlaminar
6.

 What is the formula for thermal capacitance?

A. (Change in heat stored) / (Change in heat transfer rate)
B. (Change in heat stored) / (Change in thermal resistance)
C. (Change in heat stored) / (Change in temperature)
D. Unpredictable
Answer» D. Unpredictable
7.

Heat in thermal system is analogous to __________ in electrical energy.
 

A. current
B. potential difference
C. resistance
D. charge
Answer» E.
8.

The phenomenon of storing heat energy in a system is called as thermal______.

A. conductance
B. resistance
C. capacitance
D. all of the above
Answer» B. resistance
9.

 __________ of PLCs can be done in very little time.

A. Programming
B. Installation
C. Commissioning
D. All of the above
Answer» E.
10.

PLC can be ___________ in plant to change the sequence of operation.

A. only programmed
B. only reprogrammed
C. programmed and reprogrammed
D. able to give a set point
Answer» D. able to give a set point
11.

The PLC is used in _______.

A. machine tools
B. automated assembly equipment
C. moulding and extrusion machines
D. all of the above
Answer» E.
12.

 Which of the following can be the output of PLC?

1. Relay coils
2. Solenoids
3. Indicators
4. Motors
5. Lamps
6. Alarms

A. Only (1), (2), (3) and (4)
B. Only (3), (4), (5) and (6)
C. Only (1), (2), (3) and (5)
D. All the (1), (2), (3), (4), (5), and (6)
Answer» E.
13.

 Which of the following cannot be an input that is given to the PLC?

A. Manual switches
B. Relays
C. Sensors
D. None of the above
Answer» E.
14.

Which module of data acquisition system (DAQ) consists of the CPU that controls the complete data acquisition system?

A. Input module
B. Output module
C. Sampling module
D. Control module
Answer» E.
15.

The capacity of data acquisition system (DAQ) can be specified in terms of______
 

A. number of control elements
B. number of channels
C. number of interfaces
D. number of functions
Answer» C. number of interfaces
16.

What is the input of the data acquisition system (DAQ) to which a transducer is connected called?

A. control element
B. channel
C. interface
D. function
Answer» C. interface
17.

Which of the following cannot be considered as data in Data Acquisition System (DAQ)?

A. Temperature
B. Mechanical displacement
C. Flow rate
D. None of the above
Answer» E.
18.

Data acquisition is the process in which, physical variables from the real world are_____

A. converted into electrical signals
B. modified and converted into a digital format for processing
C. both a. and b.
D. none of the above
Answer» D. none of the above
19.

Which control system does not have a stability problem?

A. Open loop system
B. Closed loop system
C. Both a. and b.
D. None of the above
Answer» B. Closed loop system
20.

 The temperature control system which maintains the temperature of a room at 30 oC when it is set is an example of_____

A. Open loop system
B. Closed loop system
C. Both a. and b.
D. None of the above
Answer» C. Both a. and b.
21.

In which system does the output not affect the process in any way?

A. Open loop system
B. Closed loop system
C. Both a. and b.
D. None of the above
Answer» B. Closed loop system
22.

 A group of components which can complete certain tasks or achieve certain desired results in a desired manner while working together is called as_____

A. output system
B. sequence system
C. control system
D. all of the above
Answer» D. all of the above
23.

 Which of the following functions can a control system carry out?

A. The system output can be controlled to some desired particular value for particular input
B. If certain conditions are satisfied, it can give a particular sequence of output, corresponding to given input
C. Either a. or b.
D. None of the above
Answer» D. None of the above
24.

 In which stage the measurement system comes in contact with the measurand or the quantity to be measured?

A. Transducer Stage
B. Signal Processor Stage
C. Output Stage
D. None of the above
Answer» B. Signal Processor Stage
25.

What is used to make considerable simplification in the devices such as watches and cameras etc. as compared to pure mechanical designs?

A. Actuators with electrical auxiliary energy
B. Amplifiers with electrical auxiliary energy
C. Both a. and b.
D. None of the above
Answer» D. None of the above
26.

 The mechatronics is an interdisciplinary field in which the disciplines those act together are _________

A. Mechanical systems and Electronic systems
B. Mechanical systems and Information technology
C. Electronic systems and Information technology
D. Mechanical systems, Electronic systems and Information technology
Answer» E.
27.

 Which of the following is/are characteristic/s of mechatronic products and systems?

A. Functional interaction between mechanical, electronic and information technologies
B. Spacial interaction of subsystems in one physical unit
C. Intelligence related to the control functions of the mechatronics system
D. All of the above
Answer» E.
28.

What is meant by Kinetics? 

A. It deals with the study of relative motion between different components of a machine
B. It deals with the forces acting on different components
C. It deals with the inertia forces acting on different components of the engine
D. All of the above
Answer» D. All of the above