41. How do you get friction power for single cylinder constant speed diesel engine when only brake dynamometer and fuel measurement arrangements are available? A. By Morse Test B. By Motoring Test C. By difference between I. P. and B. P. D. By William's Line Method Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
42. Increase in the compression ratio offers the following advantage: A. Increased load carrying capacity B. Increased engine power C. Increased speed and enhanced economy D. All of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
43. A chassis dynamometer measures the vehicle power at the: A. Engine crankshaft B. Transmission shaft C. Wheels D. None of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
44. Volumetric efficiency of LPG fuelled engine is improved by A. Increasing the size of the induction tracts B. Increasing the inlet pressure with turbocharger or supercharger C. Increasing the size of valves D. All of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
45. The maximum tractive effort is available in a vehicle, when it is at A. Lowest or first gear B. Second gear C. Third gear D. Top or fourth gear Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
46. For same compression ratio, thermal efficiency of Otto cycle is A. Greater than that of Diesel cycle B. Less than that of Diesel cycle C. Same as that of Diesel cycle D. Cannot be predicted Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
47. Checking engine oil level before starting a long journey is an example of A. Predictive maintenance B. Breakdown maintenance C. Preventive maintenance D. Engine overhaul Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
48. The air resistance of a vehicle moving with a velocity of 120 km/h is 190 N. The air resistance of the vehicle moving with 100 km/h will be A. 176.58 N B. 151.07 N C. 127.53 N D. 98.1 N Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
49. Motor vehicles are tested by- A. Laboratory test B. Road test C. Both are correct D. None of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
50. When the vehicle is moving at a uniform speed, then the tractive effort becomes A. More than the vehicle resistance B. Less than the vehicle resistance C. Equal to the vehicle resistance D. None of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
