IndiaBIX

Mechanical Engineering - Automobile Engineering

Exercise : Automobile Engineering - Section 4
21.
For the same maximum pressure and temperature
Diesel cycle is more efficient than Otto cycle
Otto cycle is more efficient than Diesel cycle
both Otto cycle and Diesel cycle are equally efficient
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to
enable the pump's fault-diagnosis function to operate
warm up and lubricate the pump
supply a large amount of fuel and thereby create a choke effect
pressurise the fuel system before the engine is started
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In which of the following conditions, the idle CO percentage should be measured with the vehicle ?
Headlights and other electrical devices are switched off.
Headlights and other electrical devices are switched on.
Headlights and other lights are switched off.
Headlights are switched on.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The mechanical efficiency (ηm) of an I.C. engine is equal to (where I.P. = Indicated power, B.P. = Brake power and F.P. = Frictional power)
I.P/B.P.
B.P/I.P.
B.P/F.P
F.P./B.P.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The lower cylindrical portion of the piston which improves piston cooling performance is called
piston crown
connecting rod
piston pin boss
piston skirt
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers