Ignition System — Part 2 MCQs with Explanations

An ignition coil is built in each spark plug cap is the correct answer to “Choose the statement that correctly describes the ignition coil in the direct ignition system.”. This question is standard in competitive examination syllabi for Ignition System.

0.6 - 0. 1 is the correct answer to “What is the correct range of gap size in the millimeter of a spark plug”. This question is standard in competitive examination syllabi for Ignition System.

True is the correct answer to “If the spark energy exceeds 40 mJ and the duration is longer than 0.5 ms, reliable ignition is obtained.”. This question is standard in competitive examination syllabi for Ignition System.

Retarded is the correct answer to “If the engine is operating with richer mixtures the optimum spark timing must be . . . . . . . .”. This question is standard in competitive examination syllabi for Ignition System.

The plug should be replaced is the correct answer to “Which of the following statement describes the correct procedure to be implemented when the electrode gap of a platinum tipped electrode is out of specification”. This question is standard in competitive examination syllabi for Ignition System.

Step up the voltage is the correct answer to “What is the function of the ignition coil which is simply a transformer”. This question is standard in competitive examination syllabi for Ignition System.

Engine configuration is the correct answer to “Which of the following is not considered while deciding the optimum firing order of the engine”. This question is standard in competitive examination syllabi for Ignition System.

All of the mentioned is the correct answer to “What are the essential components of a battery ignition system”. This question is standard in competitive examination syllabi for Ignition System.

Light engine load is the correct answer to “The vacuum advance mechanism functions at”. This question is standard in competitive examination syllabi for Ignition System.

Engine speed (or engine rpm) is the correct answer to “The centrifugal governor advance mechanism provides ignition advance in response to”. This question is standard in competitive examination syllabi for Ignition System.

H. S. D. oil is the correct answer to “Which of the following has highest vaporizing temperature”. This question is standard in competitive examination syllabi for Ignition System.

Resistance is the correct answer to “As air is poor conductor of electricity an air gap in an electric circuit acts as a high . . . . . . . .”. This question is standard in competitive examination syllabi for Ignition System.

15,000 is the correct answer to “In a 6-cylinder, 4 stroke engine running at 5000 rpm, the number of sparks required per minute will be”. This question is standard in competitive examination syllabi for Ignition System.

Attack rate is the correct answer to “Which of the following is termed as the maximum permissible number of degrees per second, change during acceleration to keep up with the timing requirement”. This question is standard in competitive examination syllabi for Ignition System.

Distributor is the correct answer to “Which device is used for interrupting the low voltage primary current in the battery ignition”. This question is standard in competitive examination syllabi for Ignition System.

Condenser is the correct answer to “The . . . . . . . . provides a reservoir for the current induced in the primary circuit at the time of break.”. This question is standard in competitive examination syllabi for Ignition System.

False is the correct answer to “A blast resistor is provided in parallel with the primary winding to regulate the primary current.”. This question is standard in competitive examination syllabi for Ignition System.

Half is the correct answer to “The drive shaft in distributor is rotated at . . . . . . . . the engine speed in four stroke engine”. This question is standard in competitive examination syllabi for Ignition System.

Magneto is the correct answer to “In magneto ignition system, the current is supplied to the primary winding by”. This question is standard in competitive examination syllabi for Ignition System.

True is the correct answer to “For maximum power and economy a slow burning fuel needs a higher spark advance than fast burning fuel.”. This question is standard in competitive examination syllabi for Ignition System.

A few turns of thick wire is the correct answer to “The primary winding of the ignition coil consists of”. This question is standard in competitive examination syllabi for Ignition System.

Hot cold plug is the correct answer to “What are the types of spark plug”. This question is standard in competitive examination syllabi for Ignition System.

To set the contact breaker gap is the correct answer to “Why is the Dwell meter used”. This question is standard in competitive examination syllabi for Ignition System.

Negative is the correct answer to “How can the center electrode make concerning earth to increase the plug life”. This question is standard in competitive examination syllabi for Ignition System.

Electronic Ignition system is the correct answer to “The following is known as 'Breakerless Ignition system'”. This question is standard in competitive examination syllabi for Ignition System.

Cylinder top dead center is the correct answer to “Which of the following is used to define ignition advance”. This question is standard in competitive examination syllabi for Ignition System.

Battery - Ammeter - Ignition coil - Distributor - Spark plug is the correct answer to “In Battery coil ignition system, the correct sequence of flow of current is”. This question is standard in competitive examination syllabi for Ignition System.

False is the correct answer to “When the ignition switch is opened, the primary winding of the coil is connected to the positive terminal post of the storage battery.”. This question is standard in competitive examination syllabi for Ignition System.

All of the mentioned is the correct answer to “The ignition timing is affected by . . . . . . . .”. This question is standard in competitive examination syllabi for Ignition System.

Semiconductor is the correct answer to “Which of the following material is used to fill the space between the plug electrodes in a surface discharge plug”. This question is standard in competitive examination syllabi for Ignition System.

3 is the correct answer to “What is the total resistance in ohms offered by primary winding in the ignition coil”. This question is standard in competitive examination syllabi for Ignition System.

The retarded timing improves fuel economy is the correct answer to “Which of the following is the wrong statement”. This question is standard in competitive examination syllabi for Ignition System.

35% H2SO4 and 65% distilled water is the correct answer to “Electrolyte used in storage battery consists of . . . . . . . .”. This question is standard in competitive examination syllabi for Ignition System.

Voltage is the correct answer to “The pressure, temperature and density of the mixture between the spark plug electrodes have a considerable influence on the . . . . . . . . required to produce a spark.”. This question is standard in competitive examination syllabi for Ignition System.

Aluminuim alloy is the correct answer to “The insulator of a spark plug is generally made up of”. This question is standard in competitive examination syllabi for Ignition System.

1 to 100 is the correct answer to “In ignition coil, the ratio between the number of turns of primary and secondary windings is about”. This question is standard in competitive examination syllabi for Ignition System.

1.225 is the correct answer to “What should be the minimum specific gravity after which the electrolyte should be charged”. This question is standard in competitive examination syllabi for Ignition System.

False is the correct answer to “An ignition system should be heavy, effective and reliable in service.”. This question is standard in competitive examination syllabi for Ignition System.

0.2 microfarads is the correct answer to “The capacity of an automotive engine condenser is approximately”. This question is standard in competitive examination syllabi for Ignition System.

Make period is the correct answer to “The period when the energy grows exponentially in the primary circuit is called”. This question is standard in competitive examination syllabi for Ignition System.