Homogeneous
Heterogeneous
Both (A) and (B)
Laminar
B. Heterogeneous
Calorific value of oil
Low heat value of
High heat value of oil
Mean heat value of oil
1500 rpm
750 rpm
3000 rpm
Any value independent of engine speed
30° before top dead centre
30° after top dead centre
30° before bottom dead centre
30° after bottom dead centre
10 : 1
15 : 1
20 : 1
25 : 1
More
Less
Same
More/less depending on capacity of engine
1 valve
2 valves
3 valves
4 valves
F.P. = B.P. - I.P.
F.P. = I.P. - B.P.
F.P. = B.P./I.P.
F.P. = I.P./B.P.
First a mild explosion followed by a bi explosion
First a big explosion followed by a mil explosion
Both mild and big explosions occurs simultaneously
Never occurs
All the irreversible engines have same efficiency
All the reversible engines have same efficiency
Both Rankine and Carnot cycles have same efficiency between same temperature limits
All reversible engines working between same temperature limits have same efficiency
Fuel pump
Governor
Injector
Carburettor
40% cetane and 60% alpha methyl naphthalene
40% alpha methyl naphthalene and 60% cetane
40% petrol and 60% diesel
40% diesel and 60% petrol
Jet area is automatically varied depending on the suction
The flow from the main jet is diverted to the compensating jet with increase in speed
The diameter of the jet is constant and the discharge coefficient is invariant
Flow is produced due to the static head in the float chamber
[2(V₀/V₁)]/ [1 + (V₀/V₁)²]
(V₀/V₁)/ [1 + (V₀/V₁)²]
V₀/(V₀ + V₁)
V₁/(V₀ + V₁)
Hit and miss governing
Qualitative governing
Quantitative governing
Combination of (B) and (C)
Have no effect on
Increase
Decrease
None of these
Diesel cycle
Otto cycle
Dual combustion cycle
Special type of air cycle
To distribute spark
To distribute power
To distribute current
To time the spark
Flat
Contoured
Slanted
Depressed
10 bar
100 bar
150 bar
500 bar
Lean
Rich
Chemically correct
None of these
8 : 1
10 : 1
15 : 1
20 : 1 and less
Up to 35%
Up to 50%
Up to 75%
Up to 100%
kcal
kcal/kg
kcal/m²
kcal/m3
Inlet valve closing after bottom dead centre
Inlet valve closing before bottom dead centre
Inlet valve opening before top dead centre
Exhaust valve closing after top dead centre
In the engine cylinder
At the crank shaft
At the crank pin
None of these
Same
Less
More
Variable
Not run
Run more efficiently
Run at high speed
Explode
180°
125°
235°
200°
Pre-ignition
Detonation
Ignition delay
Auto-ignition
Mechanical efficiency
Overall efficiency
Indicated thermal efficiency
Volumetric efficiency