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WorksheetsECU,EMS,SENSORS & ACTUATORS
Total questions: 24
Worksheet time: 12mins
The system which manages the performance of engine is called.
ECU
EMS
ECM
CU
The main part of a ECU is
Microcontroller
Input & Output interface
Memory
All of the above
Which of the following is an advantage of ECU_______
Low emissions
High efficiency
Fuel economy
All of the above
The sensor which measures the rotational speed of the shaft is called________
voltage sensor
speed sensor
current sensor
position sensor
Under BSVI norms the emission level of Nitrogen oxide is reduced to _______________
50 mg/km
40 mg/km
60 mg/km
30 mg/km
The organization which decides the regulatory norms for vehicle emission in India is called _____
BSS
BSE
BS
BSES
The process of comparison of an unknown quantity with a reference standard is called ______
Precision
Accuracy
Instrumentation
Measurement
The process of connecting sensors to the microcontroller board is called ________
Interfacing
Connection
PCB
Joint
How many total number of input and output pins are present in a current sensor_______
5
4
6
3
The device which converts electrical signals into physical quantity is called _______________
Sensor
ECU
Actuator
EMS
The point of access for vehicles is called _____________________
OBD
CIL
MIL
DLC
Second character in the DTC codes indicates whether the code is ______________
Specific fault index
Powertrain specific
Generic or manufacturer specific
All of the above
Which character in the DTC code indicates the exact issue of the vehicle.
1
2
3
4 & 5
Rate of change of flux is directly proportional to induced emf. This is known as ______________
Ohm's Law
Faraday's Law
Direct Sensing
None of the above
In speed sensor voltage is induced when the gap between teeth and field is ____________
Less
More
Equal
None of the above
Which sensor measures the amount of oxygen in the exhaust gases to optimize fuel mixture?
A) Mass airflow sensor (MAF)
B) Throttle position sensor (TPS)
C) Oxygen sensor (O2)
D) Crankshaft position sensor (CKP)
What is Arduino?
A) A programming language
B) A microcontroller platform
C) An operating system
D) A hardware manufacturing company
Which Arduino board is commonly used for beginners due to its simplicity and ease of use?
A) Arduino Uno
B) Arduino Mega
C) Arduino Nano
D) Arduino Due
What is the function of the setup() function in Arduino code?
A) It runs repeatedly in a loop
B) It initializes variables and settings
C) It reads sensor data
D) It controls output devices
Which port is commonly used to upload code from the computer to an Arduino board?
A) USB
B) HDMI
C) Ethernet
D) VGA
In what type of application would you likely find a Hall Effect speed sensor being used?
Automotive wheel speed measurement
Conveyor belt speed control
Wind turbine speed monitoring
Household fan speed adjustment
What is the purpose of signal conditioning in a data acquisition system?
To convert digital signals to analog signals
To filter and amplify analog signals
To process data
To display data
What is the primary function of a data acquisition system (DAQ)?
To process data
To store data
To acquire data from sensors and transducers
To display data
Which communication interface is commonly used for connecting sensors and transducers to a data acquisition system?
USB (Universal Serial Bus)
HDMI (High-Definition Multimedia Interface)
SPI (Serial Peripheral Interface)
Ethernet
