NTTA questions - General

Sample general questions.


An exhaust system expansion box is for?
A = removing harmful gases
B = reducing exhaust noise
C = controlling hydrocarbon emissions
D = controlling carbon monoxide emissions

A petrol engine exhaust system catalytic converter is for?
A = removing certain harmful exhaust emissions
B = condensing steam to water
C = extra silencing
D = preventing an exhaust system from over heating

An 'inertia reel' seat belt is one which?
A = unwinds to allow body movement in a head-on collision
B = locks to restrict body movement in a head-on collision
C = is only fitted with lap type seat belts
D = is only fitted with full harness type seat belts

A 'lap' type seat belt is one which?
A = has a 3 point mounting
B = has a single point mounting
C = has a 2 point mounting
D = does not need a mounting

Which type of windscreen will crack without shattering?
A = toughened
B = laminated
C = tinted
D = wrap around

Whats the major disadvantage of using disc brakes over drum brakes?
More expensive
More difficult to replace pads
no self servo

What is most likely to affect the structure of the vehicle chasis?
Roof
Bonnet
Door
Boot

A ladder frame is expectionaly weak at withstanding torsional or sheer forces when cornering, which of the following combined helps?
'A' pillar
Cross member
Vehicle Body

A diode is for?
Increasing current
Decreasing current
Allowing the current to flow both ways
Allowing the current to flow one way

What is the main purpose of suspension?
Providing comfort for the passengers of the car
Allowing all the wheels to stay planted on the ground during varying road conditions

A hydrogas suspension has?
A telescopic damper on the outside
Does not need damping
Has hydraulic damping on the interior

Fitting an indentical caliper on a vehicle with a larger piston on the O/S/F is likely to cause?
Excessing brake bind
The vehicle to pull to the O/S
The vehicle to pull to the N/S
No difference at all

A steel pressed wheel is fitted to the near side front of the car, and alloy wheel fitted to the off side front, this is acceptable if?
The wheels are the same overall diameter
Not acceptable under any conditions

A wheel with no tread at all is likely to perform better than a wheel with the legal tread limit under the following conditions?
Dry tarmac
Wet tarmac
Would not perform better under any circumstances

A drop arm is?
a drag link to stub axle connection
a steering arm to stub axle connection
a gearbox to steering arm connection
a sector shaft to trackrod end connection

In emergency braking conditions it is ideal if the?
Front wheels lock
Rear wheels lock
All the wheels lock
None of the wheels lock