TNPSC Automobile Engineering 14 August 2019 Question paper with Answers Key- TNPSC conducted Combined Engineering Services Examination exam on 14 August 2019 FN from 10.00 AM to 12.30 PM. Here we are providing some of the questions asked in TNPSC Automobile Engineering Paper.
The venture in the carburetor causes the?
Increase of air velocity
Turbo Charger is used for?
Increasing engine power and decreasing emissions
Hypoid gears require special lubricant because?
Sliding action is there between the teeth
The severity of electric banking is controlled by the means of?
Rheostat
As applied to breaking system, the term brake fad means?
Fall-off in efficiency due to heat
The fundamental condition of the true rolling is?
All wheels must rotate about common centre
The Maximum pressure in the lubrication system is controlled by?
Relief valve
Supercharging is the process of supplying intake charge of the engine?
At a pressure above atmospheric
The ursprung mass in a vehicle system is mainly composed of?
Axle and parts attached to it
Dividing thrust and torque reaction is taken in a Hotchkiss drive by?
Road springs
The provision made to allow a leaf spring to vary its length is a?
Swinging shackle
The steering knuckle attaches to the lower-control arm by a?
Ball joint
TNPSC Automobile Engineering 14 August 2019 Paper
The blades of stator in a torque converter have a shape of?
Curved
The hydrostatic drive uses the property of the fluid?
Pressure
The dog clutch is used in?
Constant mesh gear box
The air bag of an automobile is made of?
Nylon fabric
Compared to hot plug, a cold plug has?
Small area exposed to the combustion gases
The floor board clearance is adjusted in clutch by?
Means of screw at lower end of clutch pedal
What are the occasions in which clutch should be disconnected?
Starting, shifting gear, stopping and idling
In electronic power steering, the torque sensor is nothing but?
Magnetic sensor
The basic principle of distributor less ignition system is known as?
Lost spark
Automobile Engineering
TNPSC Automobile Engineering 14 August 2019 Questions and answers
Hot running engines require?
Cold spark plug
Which vehicle is not an LCV?
Tata Manza
Door is opened and closed/locked by?
Actuator
The two types of Wind tunnels are?
Open and Closed circuit
Sadan, saloon, Coupe and hatch back are types of body of?
Cars
The one way clutch of a pre-engaged starter motor?
Prevents the engine driving the motor
In DC generator of automobiles, the magnetic field is generated in?
Stator
Pitching moment is influenced by ………… in a moving vehicle?
Lift force
Thermal and acoustic insulation is usually elaborate in ……… bus tyre?
Touring
Use of Longitudinal Channel beams and tubular cross Members results in?
Reduced torsional flexibility
TNPSC Automobile Engineering 14 August 2019 paper with Key
The scuttle panel is?
Between bonnet and wind screen
The spark plug gap can be checked by?
Feeler gauge
Detonation in S.I engine occur due to?
Auto Ignition of the charge after the spark struck
In master cylinder, the primary piston is the piston that is?
Directly operated by the push rod
Rear and squat in coil spring suspension occurs?
During acceleration
Small coaches for long distances have the seating capacity of?
16 – 30
Inn bus body significant distortion of the overall stiffness occurs at?
Doors and large openings
Which type of vibrations are also known as transient vibration?
Damped vibrations
A single jet carburetor tends to supply richer mixture during?
High speed operation
Zinc liners between the leaves of spring are sometimes used to?
Prevent squeaking
TNPSC Automobile Engineering Answers Key 14 August 2019
Lead compounds were added in gasoline to?
Reduce knocking
Clutch dragging is noticeable?
When shifting gears
Rhodium promotes to the reduction of?
NOx
The measurement principle for CO emission is?
Non-dispersive infrared
Fumigation technique is used to control?
Temperature and equivalence ratio
Steening link rod is also called as?
Drag link
Piston rings installed upside down may cause?
Excessive oil consumption
A typical piston clearance in the cylinder is?
- inch or 0.025 mm
Suspension topping or bottoming out occurs due to?
Defective shock absorber
The highly toxic gas among all the automobile emissions is?
CO
TNPSC Automobile Engineering 14 August 2019 Full Question Paper & Key