Air Brakes Practice Questions With Complete Solution.

Air Brakes Practice Questions With Complete
Solution.
A,device,which,can,reduce,brake,lag,on,vehicles,with,air,brakes,is.,-,Correct,Answer,-
The,relay,valve

A,slack,adjuster's,free,play,needs,to,be,adjusted,if,it,is,more,than,____,when,you,pull,hard,
on,it.,-,Correct,Answer,-1,inch

A,straight,truck,or,bus,air,brake,system,should,not,leak,at,a,rate,of,more,than,___,psi,per,mi
nute,with,the,engine,off,and,the,brakes,released.,-,Correct,Answer,-2

A,straight,truck,or,bus,air,brake,system,should,not,leak,at,the,rate,of,more,than,______,psi,
within,1,minute,with,the,engine,off,,parking,brakes,released,,service,brakes,applied.,-
,Correct,Answer,-3


A,supply,pressure,gauge,tells,you,how,much,air,is,in,the.,-,Correct,Answer,-
The,supply,air,tanks

Air,braking,takes,more,time,than,hydraulic,braking,because.,-,Correct,Answer,-
Air,takes,more,time,to,flow,through,the,lines,,which,is,called,brake,lag

Air,tanks,should,be,drained.,-,Correct,Answer,-All,of,the,above,are,correct

All,air,brake,equipped,vehicles,have.,-,Correct,Answer,-A,supply,pressure,gauge

An,alcohol,evaporator,is,used,on,air,brake,systems,to.,-,Correct,Answer,-Prevent,freezing

Applying,the,service,brakes,when,the,spring,brakes,are,on,will,cause.,-,Correct,Answer,-
Compounding,pressure,and,could,damage,the,brakes

Before,driving,a,truck,or,bus,with,a,dual,air,brake,system,,the,pressure,in,the,entire,system,
should,be,at,least,___,psi.,-,Correct,Answer,-100

Brake,drums,or,discs,must.,-,Correct,Answer,-Both,B,and,C,are,correct

Brake,failures.,-,Correct,Answer,-Are,the,leading,mechanical,cause,of,accidents

Dual,air,brake,systems,supply,air,to,the,trailer,through.,-,Correct,Answer,-
Both,A,and,B,are,correct

During,normal,driving,,spring,brakes,are,held,back,by.,-,Correct,Answer,-Air,pressure

, Emergency,controlled,braking,is,when,you.,-,Correct,Answer,-
Brake,as,hard,as,you,can,,release,the,brakes,before,the,wheels,lock,,put,on,the,brakes,ag
ain,,and,repeat,until,stopped

Emergency,stab,braking,is,when,you.,-,Correct,Answer,-
Brake,as,hard,as,you,can,,release,the,brakes,when,the,wheels,lock,,put,on,the,brakes,agai
n,when,the,wheels,roll,freely,again,,and,repeat,until,stopped

Excessive,use,of,the,service,brakes,results,in,overheating,,which,can,lead,to.,-
,Correct,Answer,-Brake,fade


Excessive,use,of,the,service,brakes,results,in,overheating,,which,can,lead,to.,-
,Correct,Answer,-Both,A,and,C,are,correct


Experts,do,not,recommend,fanning,the,brakes,for,long,downhill,run,because.,-
,Correct,Answer,-The,short,time,off,the,brakes,does,not,allow,the,brakes,to,cool


How,can,you,check,your,service,brakes.,-,Correct,Answer,-
Release,both,parking,and,emergency,brakes,,put,truck,in,1st,gear,,pull,forward,3-
5,mph,and,engage,clutch,and,brake,firmly

How,can,you,manually,check,the,slack,adjusters.,-,Correct,Answer,-
Park,on,level,ground,,chock,the,wheels,,release,the,parking,brakes,,then,pull,hard,on,each,
slack,adjuster,to,make,sure,push,rod,stroke,does,not,exceed,1,inch

If,air,pressure,is,not,built,up,within,the,correct,amount,of,time,during,the,pre-
trip,and,8,step,brake,test,,then.,-,Correct,Answer,-
Air,pressure,may,drop,to,a,low,point,while,driving,,requiring,an,emergency,stop

If,the,air,compressor,develops,a,leak,or,quits,working,,what,will,happen.,-,Correct,Answer,-
Nothing,,You,still,have,air,in,the,storage,tanks

If,the,air,compressor,develops,a,leak,,what,keeps,the,air,in,the,tanks.,-,Correct,Answer,-
One-way,check,valve

If,you,must,make,an,emergency,stop,,you,should,brake,so,you.,-,Correct,Answer,-
Can,steer,and,so,your,vehicle,stays,in,a,straight,line

If,your,air,brake,system,has,an,alcohol,evaporator,,what,could,happen,if,you,don't,keep,the
,system,filled,with,alcohol.,-,Correct,Answer,-
Ice,may,form,in,the,air,storage,tanks,and,cause,you,to,have,no,air,in,the,system

If,your,brakes,are,out,of,adjustment,,you,will,not,have,good,____,braking,power.,-
,Correct,Answer,-All,of,the,above