20 + Mcqs in Requirements Ingnition System in Ic Engine Page 1 McqOptions

1.	An ignition system should function efficiently over the entire range of engine speed.
A.	True
B.	False
Answer» B. False

Discussion

2.	An ignition system should provide a good spark between the _____________ of the plugs at the correct timing.
A.	cathodes
B.	anodes
C.	electrodes
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

3.	A spark is produced to ignite a homogeneous air fuel mixture in the combustion chamber of an engine, it is called spark ignition system.
A.	True
B.	False
Answer» B. False

Discussion

4.	As air is poor conductor of electricity an air gap in an electric circuit acts as a high _____________
A.	conductor
B.	resistance
C.	ignition
D.	none of the mentioned
Answer» C. ignition

Discussion

5.	An ignition process obeys the law of ______________
A.	conservation of mass
B.	conservation of energy
C.	conservation of momentum
D.	none of the mentioned
Answer» C. conservation of momentum

Discussion

6.	A_SPARK_IS_PRODUCED_TO_IGNITE_A_HOMOGENEOUS_AIR_FUEL_MIXTURE_IN_THE_COMBUSTION_CHAMBER_OF_AN_ENGINE,_IT_IS_CALLED_SPARK_IGNITION_SYSTEM.?$
A.	True
B.	False
Answer» B. False

Discussion

7.	An ignition system should function efficiently over the entire range of engine speed.$
A.	True
B.	False
Answer» B. False

Discussion

8.	An_ignition_system_should_provide_a_good_spark_between_the_______________of_the_plugs_at_the_correct_timing.$
A.	cathodes
B.	anodes
C.	electrodes
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

9.	The interference from the low voltage source should not affect the functioning of the radio and television receivers inside an automobile.
A.	True
B.	False
Answer» C.

Discussion

10.	An ignition system should be cheap and convenient to handle.
A.	True
B.	False
Answer» B. False

Discussion

11.	An ignition system should be compact and easy to maintain.
A.	True
B.	False
Answer» B. False

Discussion

12.	An ignition system should be heavy, effective and reliable in service.
A.	True
B.	False
Answer» C.

Discussion

13.	As air is poor conductor of electricity an air gap in an electric circuit acts as a hig?
A.	conductor
B.	resistance
C.	ignition
D.	none of the mentioned
Answer» C. ignition

Discussion

14.	If the resistance of the deposits on the spark plug electrodes is sufficiently high, the loss of electrical energy through these deposits may prevent the spark discharge.
A.	True
B.	False
Answer» B. False

Discussion

15.	If the spark energy exceeds 40 mJ and the duration is longer than 0.5 ms, reliable ignition is obtained.
A.	True
B.	False
Answer» B. False

Discussion

16.	The pressure, temperature and density of the mixture between the spark plug electrodes have a considerable influence on the __________ required to produce a spark.
A.	voltage
B.	current
C.	mass
D.	none of the mentioned
Answer» B. current

Discussion

17.	An ignition process obeys the law of
A.	conservation of mass
B.	conservation of energy
C.	conservation of momentum
D.	none of the mentioned
Answer» C. conservation of momentum

Discussion

18.	A spark can be caused by applying a sufficiently low voltage between two electrodes separated by a gap.
A.	True
B.	False
Answer» C.

Discussion

19.	The total enthalpy required to cause the flame to be self sustaining and promote ignition, is given by the product of the surface area of the spherical flame and the enthalpy per unit area.
A.	True
B.	False
Answer» B. False

Discussion

20.	The function of the ignition system is to _____________ the flame propagation process.
A.	stop
B.	initiate
C.	balance
D.	none of the mentioned
Answer» C. balance

Discussion

Explore topic-wise MCQs in Ic Engine.

An ignition system should function efficiently over the entire range of engine speed.

An ignition system should provide a good spark between the _____________ of the plugs at the correct timing.

A spark is produced to ignite a homogeneous air fuel mixture in the combustion chamber of an engine, it is called spark ignition system.

As air is poor conductor of electricity an air gap in an electric circuit acts as a high _____________

An ignition process obeys the law of ______________

A_SPARK_IS_PRODUCED_TO_IGNITE_A_HOMOGENEOUS_AIR_FUEL_MIXTURE_IN_THE_COMBUSTION_CHAMBER_OF_AN_ENGINE,_IT_IS_CALLED_SPARK_IGNITION_SYSTEM.?$

An ignition system should function efficiently over the entire range of engine speed.$

An_ignition_system_should_provide_a_good_spark_between_the_______________of_the_plugs_at_the_correct_timing.$

The interference from the low voltage source should not affect the functioning of the radio and television receivers inside an automobile.

An ignition system should be cheap and convenient to handle.

An ignition system should be compact and easy to maintain.

An ignition system should be heavy, effective and reliable in service.

As air is poor conductor of electricity an air gap in an electric circuit acts as a hig?

If the resistance of the deposits on the spark plug electrodes is sufficiently high, the loss of electrical energy through these deposits may prevent the spark discharge.

If the spark energy exceeds 40 mJ and the duration is longer than 0.5 ms, reliable ignition is obtained.

The pressure, temperature and density of the mixture between the spark plug electrodes have a considerable influence on the __________ required to produce a spark.

An ignition process obeys the law of

A spark can be caused by applying a sufficiently low voltage between two electrodes separated by a gap.

The total enthalpy required to cause the flame to be self sustaining and promote ignition, is given by the product of the surface area of the spherical flame and the enthalpy per unit area.

The function of the ignition system is to _____________ the flame propagation process.