Explore topic-wise MCQs in Mechanical Engineering.

This section includes 346 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the function of “analysis” in the modeling and simulation phase?

A. database for maintaining project information
B. sub models for eventual reuse
C. contains numerical methods
D. to produce high-level source code
Answer» D. to produce high-level source code
2.

Instructions which won’t appear in the object program are called as

A. redundant instructions
B. exceptions
C. comments
D. assembler directives
Answer» E.
3.

A variable reluctance stepper motor is constructed of                              material with salient poles.

A. paramagnetic
B. ferromagnetic
C. diamagnetic
D. non-magnetic
Answer» C. diamagnetic
4.

The RS pin is                    for an LCD.

A. input
B. output
C. input & output
D. none of the mentioned
Answer» B. output
5.

The instruction that represents the ‘rotate source, count’ is

A. rcl
B. rcr
C. ror
D. all of the mentioned
Answer» E.
6.

The representation of 8-bit or 16-bit signed binary operands using 2’s complement is a data type of

A. ordinal
B. ascii
C. packed bcd
D. integer
Answer» E.
7.

consists of two different metals connected at two points.

A. thermistor
B. resistance thermometer
C. thermocouple
D. semiconductor based sensor
Answer» D. semiconductor based sensor
8.

A                  is thermally sensitive resistor that exhibits a large change in resistance.

A. thermistor
B. resistance thermometer
C. thermo couple
D. semiconductor based sensor
Answer» B. resistance thermometer
9.

measures temperature by correlating the resistance of the RTD with temperature.

A. thermistor
B. resistance thermometer
C. thermo couple
D. semiconductor based sensor
Answer» C. thermo couple
10.

Example of ‘Stand-alonesystem’ is

A. machining centres
B. washing machine
C. robots for parts handling
D. automated inspection stations
Answer» C. robots for parts handling
11.

The most inconvenient method for parking is

A. 30 degree parking
B. 45 degree parking
C. 90 degree parking
D. parallel parking
Answer» B. 45 degree parking
12.

The place allotted particularly for only parking is called

A. parking lot
B. parking space
C. clover space
D. traffic parking
Answer» B. parking space
13.

In 90 degree parking the length of kerb is 25m, the parking spaces are

A. 10
B. 11
C. 12
D. 13
Answer» B. 11
14.

The parking facility in which elevators are required to change to a different level is called

A. parking lot
B. multi storeyed building
C. clover leaf junction
D. ramp
Answer» C. clover leaf junction
15.

The first stage of the parking lot is

A. entrance
B. acceptance
C. storage
D. delivery
Answer» B. acceptance
16.

The number of parking spaces for a kerb of 59m and having the length of car as 5.0m is?

A. 9
B. 10
C. 11
D. 12
Answer» C. 11
17.

Which type of parking facility is convenient for all types of users?

A. kerb parking
B. off-street parking
C. parallel parking
D. 90 degree parking
Answer» E.
18.

Parking facilities may be classified into how many types?

A. one
B. two
C. three
D. four
Answer» C. three
19.

The maximum number of cars can be parked in

A. kerb parking
B. off-street parking
C. parallel parking
D. 90 degree parking
Answer» D. 90 degree parking
20.

The type of parking in which the vehicles are parked along the kerb is called

A. kerb parking
B. off-street parking
C. parallel parking
D. angle parking
Answer» B. off-street parking
21.

The product of fast moving vehicles and number of trains should exceed by how much to justify the bypass road construction?

A. 25000
B. 5000
C. 50000
D. 250000
Answer» B. 5000
22.

The capacity of an uncontrolled intersection is

A. 1000 to 1200 vehicles /hour
B. 1100 to 1200vehilces/hour
C. 1200 to 1400 vehicles/hour
D. 1400 to 1600 vehicles/hour
Answer» D. 1400 to 1600 vehicles/hour
23.

5 AUTOMATIC CAR PARK BARRIER.

A. direct
B. semi direct
C. indirect
D. cloverleaf
Answer» E.
24.

A grade intersection may be provided if the PCU exceeds

A. 5000
B. 6000
C. 7000
D. 10000
Answer» E.
25.

The best type of interchange can be provided with

A. rotary
B. diamond
C. partial cloverleaf
D. full cloverleaf
Answer» E.
26.

Catalytic converters use lambda sensors to keep

A. exhaust temperature constant
B. exhaust pressure constant
C. excess air ratio within a range
D. flow rate of air constant
Answer» D. flow rate of air constant
27.

Knock sensors use

A. thermistors
B. thermocouples
C. piezoelectric pickup
D. flap type sensors
Answer» D. flap type sensors
28.

Hot-wire sensors are used for measurement of

A. temperature
B. pressure
C. mass flow rate
D. smoke intensity
Answer» D. smoke intensity
29.

Seebeck effect is used in

A. thermistors
B. thermocouples
C. rtd
D. hot-wire sensor
Answer» C. rtd
30.

The disadvantage of the piezoelectric pressure pickup is that

A. it can only give pressure difference
B. it can measure only low pressure
C. it is not suitable for dynamic measurement
D. has too much sensitivity
Answer» B. it can measure only low pressure
31.

LVDT is used to measure

A. crank angle
B. engine speed
C. large displacements
D. gas temperature
Answer» D. gas temperature
32.

Hall effect pickup use

A. inductive transducers
B. potentiometers
C. thermistors
D. semiconductors
Answer» E.
33.

The important parameters in a gasoline engine that can be controlled are

A. air-fuel ratio
B. mixture distribution between cylinders
C. ignition timing
D. all of the mentioned
Answer» E.
34.

The main aims of an engine management system is to achieve

A. high reliability and durability with lowest possible initial cost
B. high power output and torque
C. low levels of gaseous and particulate emissions
D. all of the mentioned
Answer» E.
35.

Describing the behavior characteristics through block diagram is done in

A. modeling and simulation
B. prototyping
C. deployment
D. design optimization
Answer» B. prototyping
36.

What is the function of “analysis” in the modeling and simulation phase?

A. database for maintaining project information
B. sub models for eventual reuse
C. contains numerical methods
D. to produce high-level source code
Answer» D. to produce high-level source code
37.

Prototyping involves

A. conceptual design
B. replacing non-computer systems with actual hardware
C. database for maintaining project information
D. sub models for eventual reuse
Answer» C. database for maintaining project information
38.

Which phase of a mechatronics system consists of hardware designing?

A. prototyping
B. modeling
C. simulation
D. deployment
Answer» B. modeling
39.

What is the role of the second level in the mechatronics system design?

A. integrates microelectronics into electrically controlled devices
B. integrates electrical signal with mechanical action
C. advanced control strategy level
D. providing artificial intelligence
Answer» B. integrates electrical signal with mechanical action
40.

Microprocessor based electrical motors are used for

A. prediction of fault in the system
B. correction before a fault occurs
C. actuation purpose in robots
D. providing intelligence
Answer» D. providing intelligence
41.

Deployment in mechatronics design is associated with the final product.

A. true
B. false
Answer» B. false
42.

Interface design is an example of hardware integration.

A. true
B. false
Answer» C.
43.

In the level of integration of Mechatronics system, an example of the first level is

A. fluid valves
B. automatic machine tools
C. industrial robots
D. microprocessors
Answer» B. automatic machine tools
44.

Which is the first aspect which needs to be considered in the Mechatronics design process?

A. hardware integration and simulation
B. conceptual design
C. mathematical modeling
D. modeling and simulation
Answer» E.
45.

Which step among these follows the wrong sequence in software engineering design process?

A. analyze problem
B. generate candidate architecture
C. finalize design
D. select detailed design
Answer» D. select detailed design
46.

Which of these is said to be true about resolution process in generic software engineering design process?

A. architectural design is low resolution process
B. detailed design is high resolution process
C. all of the mentioned
D. none of the mentioned
Answer» E.
47.

Generic software engineering design process defined by which of these steps?

A. generic software engineering design process first job after analysis is detailed design
B. attention is turned later to architectural design
C. architectural design is not followed by detailed design
D. all of the mentioned
Answer» E.
48.

What is true about generic software product design process?

A. it begins with srs
B. it ends with product design problem
C. analysis is done and end product is project mission statement
D. none of the mentioned
Answer» E.
49.

Why do you think iteration is important for design?

A. to frequently reanalyze the problem
B. to generate and improve solutions only once for better output
C. all of the mentioned
D. none of the mentioned
Answer» B. to generate and improve solutions only once for better output
50.

Which of these is not in sequence for generic design process?

A. analyze the problem
B. evaluate candidate solutions
C. finalize the design
D. none of the mentioned
Answer» C. finalize the design