Why is it necessary to install a metering valve on vehicles with front disc and rear drum brakes? Group of answer choices During braking, the vehicle's weight is transferred to the front wheels. Caliper pistons are larger than wheel cylinder pistons. Rear shoes have retracting springs; front discs do not. Rear drum brakes go out of adjustment quickly.All of the following statements about flexible hoses are true, except: Group of answer choices the interior of the hose is made of natural rubber. the outer covering of the hose is made from synthetic rubber. for greater strength, braided fabric is part of the hose internals. for greater flexibility, the hose ends are loosely attached at each end