As the number of cylinders in multi-cylinder engine increases, the power to weight ratio_______________?

Related Mcqs:

1. If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the________________?

   A. exhaust will be smoky
   B. piston rings would stick into piston grooves
   C. exhaust temperature will be high
   D. engine starts overheating
   E. scavenging occurs

2. For the same size and weight, a two stroke engine as compared to four stroke engine will generate power_________________?

   A. about twice
   B. about 0.5 times
   C. nearly equal
   D. about 1.7 times
   E. about 5 times

3. Isothermal compression efficiency, even when running at high speed, can be approached by using A. multi-stage compression B. cold water spray C. both A. and B. above D. fully insulating the cylinder E. high stroke_________________?

   Isothermal compression efficiency, even when running at high speed, can be approached by using
   A. multi-stage compression
   B. cold water spray
   C. both A. and B. above
   D. fully insulating the cylinder
   E. high stroke

4. The ratio of useful power; engine friction exhaust gas losses; cooling water, air and oil losses for a diesel engine is of the order of____________________?

   A. 5:25:30:50
   B. 25:35:5:35
   C. 25:5:10:60
   D. 40:30:15:15
   E. 25:5:35:35

5. For same power and same speed, the flywheel of a four stroke engine as compared to two-stroke I.C. engine will be________________?

   A. smaller
   B. bigger
   C. same size
   D. dependent on other engine parameters
   E. unpredictable

6. Violent sound pulsations within the cylinder of an I.C. engine are caused due to_________________?

   A. heavy turbulence
   B. improved scavenging
   C. heavy supercharging
   D. detonation
   E. preignition

7. The ignition of charge by some hot surface in the engine cylinder before operation of spark plug is known as________________?

   A. auto ignition
   B. preignition
   C. retarded ignition
   D. accelerated ignition
   E. detonation

8. The most popular firing order in case of four cylinder in-line I.C. engine is__________________?

   A. 1-2-3-4
   B. 1-3-2-4
   C. 1-4-2-3
   D. 1-2-4-3
   E. 1-3-4-

9. Deposition of carbon in petrol engine cylinder would result in increase of__________________?

   A. clearance volume
   B. swept volume
   C. compression ratio
   D. volumetric efficiency
   E. mean effective pressure

10. Which of the following medium is compressed in a Diesel engine cylinder __________________?

    A. air aione
    B. air and fuel
    C. air and lub oil
    D. fuel alone
    E. air, fuel and lub oil