Training Instructor MMV Scheduled Castes Development Department 572/2017 answer Key

Post: Training Instructor MMV
Department: Scheduled Castes Development Department
Category Code: 572/17
Date of Test: 22-05-2019

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Name the engine component that 'carries' the engine over its non-working strokes
- Piston
- Crank shaft
- Flywheel
- Connecting rod
The purpose of piston ring is to control
- combustion pressure
- oil consumption
- cylinder wall lubrication
- all of these
On the rear end of the crank shaft we mount
- timing gear
- flywheel
- counter weight
- fan pulley
The engine valves are closed by
- cam shaft
- crank shaft
- timing gear
- valve spring
Cam shaft of an engine is always mounted
- perpendicular to the crank shaft
- parallel to the crank shaft
- inclined to the crank shaft
- any one of these
Air-fuel ratio changes according to the operating conditions like
- speed
- load
- speed and load
- speed, load and temperature
Lean air-fuel mixture is required for
- starting
- idling
- acceleration
- cruising
The centrifugal advance mechanism provide ignition advance proportional to
- engine load
- engine speed
- both engine load and engine speed
- none of these
Contact breaker points are generally made of
- steel
- copper
- tungsten
- vanadium
In diesel engine combustion takes place at
- constant pressure
- constant volume
- constant temperature
- none of these
Why a drain plug is provided in the fuel tank
- remove sediments
- drain fuel
- both remove sediments and drain fuel
- none of these
The pressure plate of a clutch is mounted on the
- fly wheel
- friction plate
- crank shaft
- clutch cover
When clutch is engaged the spring pressure clamps the friction plate between pressure plate and
- flywheel
- clutch cover
- reaction plate
- none of these
The purpose of 'double declutching' when changing down is to
- slow down the lay shaft
- speed up the lay shaft
- slow down main shaft
- speed up the main shaft
Speedometer is driven by the gearbox shaft called
- primary shaft
- lay shaft
- counter shaft
- main shaft
In the differential, the crown wheel is attached to the
- propeller shaft
- bevel gear
- bevel pinion
- differential cage
Hypoid gear require special lubricant because
- tooth is made of soft material
- tooth is made of hard material
- such gear rotates faster
- sliding action is there between teeth
Which of the following would enable the calculation of final drive gear ratio?
- crown wheel teeth and pinion gear teeth
- crown wheel teeth and star gear teeth
- pinion wheel teeth and sun gear teeth
- star wheel teeth and pinion gear teeth
The type rear axle used on trucks
- semi floating
- fully floating
- three-quarter floating
- any one of these
The vehicle ride will be comfortable if
- up-sprung weight is kept minimum
- sprung weight is kept minimum
- vehicle weight is kept minimum
- all of these
Which of the following is a water tube boiler?
- Cochran boiler
- Locomotive boiler
- Stirling boiler
- None of these
La-Mont boiler is a
- Low pressure boiler
- Fire tube boiler
- High pressure boiler
- None of these
The rate of flow of steam in case of water tube boiler as compared to fire tube boiler is
- Less
- More
- Same
- None of these
The mounting on the boiler which put off fire when the level of water in the boiler is below the limit is
- Safety valve
- Stop valve
- Fusible Plug
- Blow off cock
A device used for raising the pressure of feed water in a boiler is
- Economiser
- Feed pump
- Super heater
- Air preheater
Which of the following is a boiler accessory?
- Safety valve
- Stop valve
- Fusible plug
- Super heater
Maximum heat loss in boiler occurs by
- Flue gas
- Moisture in fuel
- Incomplete combustion
- None of these
Pumping loss in an IC engine is
- Power spent in complete cycle
- Frictional power
- Power used in suction and exhaust stroke
- None of these
Thermal efficiency of 2-stroke engine compared to a 4-stroke engine is
- More
- Less
- Equal
- None of these
The compression ratio of a diesel engine compared to petrol engine is
- More
- Less
- Equal
- None of these
For the same compression ratio which is efficient
- Petrol engine is efficient
- Diesel engine is efficient
- Both are equally efficient
- Cannot compare
Ignition Quality of petrol is measured by
- Calorific value
- Cetane number
- Octane number
- None of these
Sedan and wagons are the classifications of vehicles based on
- body shape
- seating capacity
- purpose
- none of these
Octane no. of iso-octane is
- 60
- 70
- 80
- 100
The fuel which detonate easily is
- n-Heptane
- Iso-octane
- Benzene
- Alcohol
The size of a lathe is specified by
- Maximum distance between the centres
- Length of bed
- Height of the centre measured from lathe bed
- All of these
Which of the following method is used for taper turning in a lathe?
- back gear method
- all gear drive
- form tool method
- none of these
The cutting tool in a milling machine is held in position
- arbour
- spindle
- column
- knee
Which of the following metal has the least weldability
- carbon steel
- stainless steel
- iron
- cast iron
Which of the following is an example of plastic welding?
- arc welding
- gas welding
- fusion welding
- forge welding
Seam welding is
- An arc welding process
- Gas welding process
- Continuous spot welding process
- None
In thermit welding, the aluminium and iron oxide are mixed in the proportion of
- 1:3
- 1:1
- 1:2
- 2:1
The validity of registration of a private vehicle is
- 1 year
- 2 years
- life time
- 15 years
Which one of the following is not a heat treatment process?
- Parkerising
- Cyaniding
- Mar tempering
- Nitriding
Which one of the following is a natural abrasive?
- Diamond
- Silicon carbide
- Boron carbide
- Aluminium oxide
Automotive starting motors are
- Series wound
- Shunt wound
- Both Series wound and Shunt wound
- None of these
Gear reduction between the starting motor and the fly wheel is about
- 5
- 15
- 25
- 50
Spark plug with white insulator tip indicates
- Advanced ignition
- Retarded ignition
- Leaded fuel
- Gas leak
Ignition timing can be adjusted by an
- Accurate clock
- Stop watch
- Stroboscopic light
- Vacuum gauge
The ratio of the distributor shaft and the crank shaft speed
- 1
- 1/4
- 1/2
- 2
The contact breaker gap is mot accurately set by a
- Feeler gauge
- Dial gauge
- Dwell meter
- None
A discharged lead acid battery has on its plate
- Pb
- PbO
- PbSO₄
- PbSO₂
A maintenance-free battery
- Has lead-antimony plate
- Lead-calcium plate
- No acid
- No water
In a DC generator the magnetic field is produced in the
- Armature
- Commutator
- Starter
- None of these
What is VIN number stands for
- Vehicle Index Number
- Vehicle Identification Number
- Vehicle Information Number
- None
Photo chemical smog is caused by the emission
- NO_x
- CO₂
- CO₃
- SO₂
Blow-by gases are emitted from
- Tail pipe
- Crank case
- Carburetor
- Fuel tank
The distance between the centres of the front wheel is called
- Track
- Wheel base
- Axle width
- None of these
The minimum number of rings in a piston is
- 1
- 2
- 3
- 4
Which of the following is the first motor vehicle act in India?
- Burma Act
- Madras Act
- Bombay Act
- Bengal Act
Centre of gravity of a triangle lies at the point of inter section of
- Medians
- Diagonals
- Bisector of angles
- None of these
The vehicle specially designed for persons with disability
- Articulated vehicle
- Omni vehicle
- Motor cab
- Invalid carriage
Moment of inertia is also called
- First moment of area
- Second moment of area
- Third moment of area
- None
A system of forces consists of a number of forces acting on a body
- At the same time
- In the same direction
- One after the other in a given order
- None of these
Two forces each of 100 N act at a point at an angle 60° with each other. The resultant is
- 100 N
- 0 N
- 200
- 173 N
The effect of a couple acting on a body is to
- Keep the body in equilibrium
- Rotate the body
- Impart translator motion
- None of these
In which of the following the centroid lies out of the section
- T section
- Symmetrical I section
- Unsymmetrical I section
- Angle section
Polar moment of inertia of a circular shaft of radius r is given by
- πr⁴/32
- πr⁴/64
- πr⁴/2
- πr⁴/16
The purpose drawing the funicular polygon is to find
- The magnitude of the resultant
- Direction of the resultant
- The point at which resultant Acts
- All of these
The phenomenon by which a material under tensile load continues to elongate slowly at a high temperature is known as
- Fatigue
- Resilience
- Creep
- Plasticity
Internal resistance set up per unit area to resist deformation is known as
- Creep
- Resilience
- Strain
- Unit stress
Poisson's ratio is defined as The ratio of
- Shear stress to shear strain
- Lateral stress to lateral strain
- Lateral strain to longitudinal strain
- Lateral strain to longitudinal stress
Which of the following should be followed for fuel efficient driving habit?
- steady driving
- avoid frequent braking
- speed range between 35-50 kmph
- all of these
A fluid flow is said to be laminar if the Reynolds number is less than
- 2000
- 1500
- 2500
- 4000
Hydraulic mean depth (m) is given by
- A/P
- P/A
- A × P
- 1/AP
Question error
Surge tank in a pipe line is used to
- reduce loss of head
- make flow uniform
- relieve the pressure due to water hammer
- none of these
If the head of a turbine is more than 300 m then the turbine used should be
- Francis
- Kaplan
- Pelton
- Propeller
Mach number is defined as the ratio of
- Inertia force to viscous force
- Inertia force to gravity force
- Elastic force to viscous force
- Inertia force to surface tension force
Question error
Poise is the unit of
- mass density
- viscosity
- kinematic viscosity
- velocity gradient
Bernoulli's theorem deals with the law of conservation of
- momentum
- energy
- mass
- none of these
The Indian Constitution adopted the idea of amending the constitution from which country
- France
- Australia
- South Africa
- Britain
When is the National Law Day?
- January 26
- November 26
- July 22
- January 24
The Right to Information Act was passed by the Indian Parliament in
- 12th October 2005
- 26th November 2005
- 22nd June 2005
- 15th June 2005
The 'Villuvandi Samaram' of 1893 was led by
- Sahodaran Ayyappan
- K.P. Karuppan
- Dr Palpu
- Ayyankali
The first book published entirely in Malayalam in Kerala is
- Samkshepa Vedartham
- Malabar Manual
- Kundalatha
- Indulekha
The Nadar women of Kerala got right to cover their breasts through which of the following agitation?
- Villuvandi agitation
- Kallumala agitation
- Channar agitation
- Abstention movement
The first newspaper in Malayalam 'Rajya Samacharam' was published from
- Thalassery
- Kottayam
- Kozhikode
- Thiruvananthapuram
Kerala Sangeetha Nataka Academy is located in
- Ernakulam
- Thrissur
- Kannur
- Tirur
The 'Antharjana Samajam' was founded by
- Parvathi Nenmenimangalam
- Arya Pallam
- Lalitha Prabhu
- Lalithambika Antharjanam
Question error
"I installed my Shiva; not a Brahmin Shiva" whose revolutionary words are these?
- Ayyankali
- Thycaud Ayya Vaikundar
- Vagbhatananda Gurukkal
- Sree Narayana Guru
Who led the first organised strike of agricultural labourers in Travancore?
- C. Kesavan
- Pandit K.P. Karuppan
- Ayyankali
- C.V. Kunjuraman
Among the following literary works, which one is written by Sri Vagbhatananda Gurukkal?
- Atmopadesasatakam
- Atmavidya
- Darsanamala
- Vedadhikara Niroopanam
Who among the following renaissance leaders exhorted 'Mattuvin Chattangale' (Change the rules)
- Brahmananda Sivayogi
- Chattampi Swamikal
- Kumaranasan
- Vaikunda Swamikal
Vakkom Abdul Khadir Moulavi started the newspaper 'Swadeshabhimani' at
- Anjuthengu
- Thalassery
- Chirayinkeezhu
- Thiruvananthapuram
Who is known as 'Kerala Maupassant'?
- M.T. Vasudevan Nair
- Thakazhi Sivasankara Pillai
- Ulloor S. Parameswara Iyer
- Changampuzha Krishan Pillai
Which district of Kerala is known as 'Land of Looms and Lores'?
- Kasaragod
- Ernakulam
- Kollam
- Kannur
What is the capital of Uttarakhand?
- Dehradun
- Ranchi
- Raipur
- Jaipur
'The Storting' is the Parliament of
- Sweden
- Norway
- Denmark
- Japan
Which of the following country introduced the Environment tax from January 2018, to prevent pollution?
- Japan
- America
- China
- Australia
The 'Statue of Unity' world's tallest statue is located in which district of Gujrat
- Ahmedabad
- Rajkot
- Gandhinagar
- Narmada

Kerala-PSC

Training Instructor MMV Scheduled Castes Development Department 572/2017 answer Key

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