MCQOPTIONS

Explore topic-wise MCQs in Automobile Engineering.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Automobile Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.	Vortex sensor is used for measurement of the temperature.
A.	True
B.	False
Answer» C.

2.	Which of the following is used by the Hall Effect pickup?
A.	Thermistors
B.	Potentiometers
C.	Inductive transducers
D.	Semiconductors
Answer» E.

3.	In which of the following See beck effect is used?
A.	Hot-wire sensors
B.	Resistance temperature detectors
C.	Thermocouples
D.	Thermistors
Answer» D. Thermistors

4.	What is LVDT used to measure?
A.	Gas temperature
B.	Engine speed
C.	Crank angle
D.	Large displacement
Answer» E.

5.	What is the disadvantage of the piezoelectric pressure sensor?
A.	It has too much sensitivity
B.	It can measure only low pressure
C.	It is not suitable for dynamic measurement
D.	It can only give pressure difference
Answer» E.

6.	What is the use of the hot-wire sensor?
A.	To measure temperature
B.	To measure the smoke intensity
C.	To measure the mass flow rate
D.	To measure pressure
Answer» D. To measure pressure

7.	What is the main use of the strain gauge?
A.	To measure viscosity
B.	To measure velocity
C.	To measure temperature
D.	To measure pressure
Answer» E.

8.	Where are the electro-optical sensors used?
A.	Position and speed measurement
B.	Piston temperature measurement
C.	Cooling water flow measurement
D.	Lubricating oil flow measurement
Answer» B. Piston temperature measurement

9.	What is the use of the lambda sensors in the catalytic converter?
A.	To keep excess air ratio within a range
B.	To keep the flow rate of constant air
C.	To keep the exhaust pressure constant
D.	To keep the exhaust temperature constant
Answer» B. To keep the flow rate of constant air

10.	Which of the following is the knock sensor?
A.	Flap type sensor
B.	Thermocouples
C.	Thermistors
D.	Piezoelectric pickup
Answer» E.