Automobile Engineering in ME
The condition that causes vapour locking in a brake system is

Overcooling of the brakes during high speed driving
Keeping the vehicle without use for an extended period
Overheating of the fluid due to frequent brake application
An excessively high engine speed on a downhill road

ANSWER DOWNLOAD EXAMIANS APP

Automobile Engineering in ME
The main feature of Macpherson strut suspension is that

The vertical size of the suspension can be made more compact
The assembly is slightly more complicated in design
Non vertical external forces are supported by the suspension arms
The unsprung mass in lighter

ANSWER DOWNLOAD EXAMIANS APP