QuestionS5:-During sensible cooling process
‘Ac Dry bulb temperature decreases
B:-Enthalpy decreases
೦-೦0 point temperature remains constant
०-५। the above
Correct Answer:- Option-D
QuestionS6:-Let, the Crankshaft of 4 Stroke IC Engine be rotating at 3000 RPM, then the time duration (in ms) of one intake stroke is
820 ms
8:20 ms
‏مقت‎ ms
0:40 ms
Correct Answer: Option ®
QuestionS7:-Piston is a cylindrical shaped mass placed into the cylinder forming as_of the combustion system
‘Ac Moving Boundary
B:-Rotating Boundary
ಕರ Boundary
D:Tuming Boundary
Correct Answer:- ೦೧000
QuestionS8:-Let, the Crankshaft of 4 Stroke IC Engine is rotating at 3000 RPM, then the speed of camshafts
۸0 RPM
2:3000 RPM
6-1500 ण
D750 RPM
Correct Answer: Option-C
QuestionS9:-At higher altitudes the quantity of fuel supplied by the carburetor should ७९ ____ to maintain correct the fuel air ratio,
‘Acincreased
B:-decreased
‏صا‎ constant
D-none of the above
Correct Answer: Option ®
Question60::Which one ofthe following does not significantly affect the process of carburetion ?
‘Ac Engine Speed
B:-Number of Cylinders
C=Design of Carburetor
‏ںہ‎ of Intake Air
Correct Answer: Option ®
Question61::Which of the following statements is/are correct about the objectives of the Nozzle 7
1, It should atomize the liquid fuel into fine droplets.
it should uniformly distribute the fuel into combustion chamber.
ili should avoid impingement of fuel on the walls
iv. It should provide dribbling of fuel
AcOnlyiv
B:-Only 1 and i
೦೦೧/1, ‏آا‎ and ii
D-All of the above (ii, ரி and iv)
Correct Answer: Option-C
Question62:-The 5.0. carburetor generally is type carburetor.
‘Acide Draught and Constant Vacuum
B:-Down Draught and Constant Choke
ഡം Draught and Constant Choke
D-None of the above

Correct Answer: Option: