The ignition coil in diesel engines produces voltage of the order of________________?

Related Mcqs:

1. Diesel engines as compared to petrol engines require ______________________?

   A. bigger flywheel
   B. smaller flywheel
   C. same size flywheel
   D. no flywheel
   E. flywheel whose size may be less or more depending on several other fac-tors

2. Combustion in compression ignition engines is____________________?

   A. homogeneous
   B. heterogeneous
   C. both A. and B.
   D. laminar
   E. turbulent

3. The self-ignition temperature of diesel oil compared to petrol is_________________?

   A. higher
   B. lower
   C. same
   D. depends on quality of fuel
   E. unpredictable

4. Ignition quality of diesel-fuel oil is expressed by an index called__________________?

   A. octane number
   B. cetane number
   C. calorific value
   D. carbon content
   E. ignition temperature

5. Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of________________?

   A. Lean mixture
   B. Chemically correct fuel air ratio
   C. Rich mixture
   D. Unpredictable

6. The cooling water requirement for diesel engine is of the order of________________?

   A. 0.2 to 1.0 liter per minute per h.p.
   B. 1 to 3 liters per minute per h.p.
   C. 5 to 10 liters per minute per h.p
   D. 10 to 20 liters per minute per h.p.
   E. 20-30 liters per minute per h.p

7. Diesel engines have low specific fuel consumption compared to petrol engine. This statement is____________________?

   A. not true
   B. true at full load
   C. true at part load
   D. true at both part and full load
   E. there could not be any such criterion

8. The knocking in diesel engines for given fuel, will be__________________?

   A. enhanced by increasing compression ratio
   B. enhanced by decreasing compression ratio
   C. unaflected by compression ratio
   D. first enhanced by increasig compression ratio upto a limit beyond which it will be suppressed
   E. dependent on other factors

9. Which of the following are used in diesel engines and oil fired boilers :

   A. Paraffin
   B. Gasoline
   C. Heavy fuel oils
   d) Patrol

   Submitted by: Faheem Zaman Dhaunroo

10. Solid injection in I.C. engines refers to injection of________________?

    A. liquid fuel only
    B. liquid fuel and air
    C. solid fuel
    D. solid fuel and air
    E. does not exist