MCQOPTIONS

Explore topic-wise MCQs in Ic Engine.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Ic Engine knowledge and support exam preparation. Choose a topic below to get started.

1.	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

2.	Knock sensors use ______________
A.	thermistors
B.	thermocouples
C.	piezoelectric pickup
D.	flap type sensors
Answer» D. flap type sensors

3.	Hot-wire sensors are used for the measurement of ______________
A.	temperature
B.	pressure
C.	mass flow rate
D.	smoke intensity
Answer» D. smoke intensity

4.	Seebeck effect is used in ______________
A.	thermistors
B.	thermocouples
C.	rtd
D.	hot-wire sensor
Answer» C. rtd

5.	Thermistors are desirable because of their ______________
A.	linear output
B.	large temperature coefficient
C.	suitability for high temperature
D.	none of the mentioned
Answer» C. suitability for high temperature

6.	What is the disadvantage of the piezoelectric pressure pickup?
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

7.	LVDT is used to measure ______________
A.	crank angle
B.	engine speed
C.	large displacements
D.	gas temperature
Answer» D. gas temperature

8.	Hall effect pickup use ______________
A.	inductive transducers
B.	potentiometers
C.	thermistors
D.	semiconductors
Answer» E.

9.	What are the important parameters in a gasoline engine that can be controlled?
A.	air-fuel ratio
B.	mixture distribution between cylinders
C.	ignition timing
D.	all of the mentioned
Answer» E.

10.	Which of the following is the main aim of an engine management system 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.

11.	KNOCK_SENSORS_USE?$
A.	thermistors
B.	thermocouples
C.	piezoelectric pickup
D.	flap type sensors
Answer» D. flap type sensors

12.	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

13.	Hot-wire sensors are used for measurement o?
A.	temperature
B.	pressure
C.	mass flow rate
D.	smoke intensity
Answer» D. smoke intensity

14.	Seebeck effect is used in
A.	thermistors
B.	thermocouples
C.	rtd
D.	hot-wire sensor
Answer» C. rtd

15.	Thermistors are desirable because of their
A.	linear output
B.	large temperature coefficient
C.	suitability for high temperature
D.	none of the mentioned
Answer» C. suitability for high temperature

16.	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

17.	Hall effect pickup use
A.	inductive transducers
B.	potentiometers
C.	thermistors
D.	semiconductors
Answer» E.

18.	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.

19.	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.