Automobile Engineering

21

The advantage of the fuel injection system over the carburetor system is

A. improved fuel efficiency
B. improved emission
C. improved power output
D. all of these

22

A petrol engine of a car develops 125 N-m torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is

A. 8.091 N-m
B. 80.91 N-m
C. 809.1 N-m
D. 8091 N-m

23

The condition that results in large quantities of HC emission is

A. high temperature combustion
B. incomplete combustion
C. low temperature combustion
D. high atmospheric temperature combustion

24

 Bead wires are made of

A. steel
B. copper
C. zinc
D. aluminium

25

The minimum parking brake force is generally __________ of gross vehicle mass (GVM).

A. 5%
B. 10%
C. 15%
D. 20%