Post : Foreman
Department : State Water Transport
Category Code : 436/16
Qualifications : SSLC + Diploma in Mechanical Engineering/ Automobile Engineering.
Question Paper Code : 122/17
Date of Test : 21-10-2017
- The rate of increase of pressure in liquid column towards vertically downward direction must be equal to the __________ of the fluid at that point.
- Specific volume
- Specific weight
- Specific gravity
- None of these
- According to Pascal's law, “The intensity of pressure at any point in a liquid at rest, is __________ in all directions”.
- the same
- half
- one third
- double
- U - Tube manometers are used to measure __________ of the liquid flowing through a pipe.
- discharge
- velocity
- density
- pressure
- Which of the following device is used to measure the discharge through open channel?
- Venturimeter
- Orifice meter
- Notches
- Piezometer
- The co-efficient of discharge (cd) of a venturi meter lies between the limits :
- 0.95 to 0.99
- 0.90 to 0.95
- 0.85 to 0.90
- 0.60 to 0.66
- In an open channel flow, If the flow characteristics, such as, velocity of flow, depth of flow, rate of flow at any point do not change with respect to time, the flow is said to be _______ .
- Laminar flow
- Uniform flow
- Steady flow
- Turbulent flow
- In a Centrifugal pump, the sum of Suction head and Delivery head is called :
- Total head
- Pressure head
- Manometric head
- Static head
- Following is an example of rotodynamic pump :
- Reciprocating pump
- Centrifugal pump
- Gear pump
- Lobe pump
- A Kaplan turbine is a __________ .
- High-speed Axial flow turbine
- High head Mixed flow turbine
- Low head Axial flow turbine
- An Inward flow impulse turbine
- In a reciprocating pump, If Qt=Theoretical discharge and Qa=Actual discharge, then the ratio (Qt - Qa)/Qt − is known as :
- Mechanical efficiency
- Coefficient of discharge
- Slip
- Work done
- Reversible adiabatic process is also known as __________ .
- Isothermal process
- Isobaric process
- Isochoric process
- Isentropic process
- Otto cycle consists of __________ __________ process.
- Two adiabatic and Two constant volume
- Two adiabatic and Two constant pressure
- Two adiabatic and Two isothermal
- None of these
- In a 4 - stroke cycle engine :
- there is one power stroke in each revolution of the crankshaft
- there is one power stroke in every two revolutions of the crankshaft
- there is one power stroke in each half revolution of the crankshaft
- none of these
- A single cylinder 4 - stroke engine is rotating at 2000 rpm. The number of power strokes occurring per minute :
- 2000
- 500
- 1000
- 4000
- Brake thermal efficiency is the ratio of :
- Brake power to Heat input of the engine
- Brake power to Total fuel consumption of the engine
- Brake power to Specific fuel consumption of the engine
- Brake power to Indicated power of the engine
- Morse test is conducted on a multi-cylinder engine to determine __________ .
- the mechanical efficiency of each cylinder
- the volumetric efficiency of each cylinder
- the brake power of each cylinder
- the Indicated power of each cylinder
- The statement “It is impossible to construct an engine working on cyclic process, whose sole purpose is to convert the whole heat energy supplied to it into an equivalent amount of work” is known as __________ .
- Clausius statement
- Kelvin-Planck statement
- Joule’s statement
- Avagadro’s statement
- The volumetric efficiency of a compressor is defined as :
- the ratio of swept volume of cylinder to the actual volume of air entering
- the ratio of swept volume to the total volume of reservoir tank
- the ratio of actual volume of air entering to the swept volume of cylinder
- the ratio of actual volume of air entering to the total volume of reservoir tank
- During an isothermal process, all properties of the working fluid changes except ________ .
- Pressure
- Volume
- Temperature
- Entropy
- Select the wrong set :
- Carburettor - Petrol engine
- Two stroke engine - Ports
- Air cooled engine - Fins
- Diesel engine - Sparkplug
- The limit up to which Hook’s law is obeyed is called :
- Yield point
- Braking point
- Limit of proportionality
- Ultimate point
- The maximum angle of an inclined plane at which a body can remain in equilibrium on the plane entirely by the assistance of friction is called :
- Friction angle
- Angle of repose
- Co-efficient of friction
- Cone of friction
- Moment of inertia of a circular section is :
- πR4/4
- πR4/8
- πR4/16
- πR4/32
- In a simply supported beam with uniformly distributed load, shear force is maximum at the :
- Support ends
- Centre
- Same at all the points
- No shear force
- The diameter of a rivet by Unwinn’s formula for a plate thickness of 9 mm :
- 12 mm
- 15 mm
- 24 mm
- 18 mm
- Point of Contraflexture is where :
- Bending moment is maximum
- Bending moment is zero
- Shear force is maximum
- Shear force is zero
- A simply supported beam carries two equal loads ‘W’ at a distance of ‘L/3’ from either supports. The Maximum Bending moment is :
- WL/3
- WL/4
- WL/8
- 2WL/3
- Poisson’s ratio is defined as the :
- ratio of axial strain to transverse strain
- ratio of shear stress to shear strain
- modulus of ratio of transverse strain to axial strain
- Ratio of direct stress to volumetric strain
- The lead of a two start screw thread is equal to :
- pitch
- twice of the pitch
- half of the pitch
- twice of the depth of thread
- Horizontal force required to pull a body of weight of 200 N along a horizontal surface with a coefficient of friction of 0.2 is :
- 200 N
- 100 N
- 50 N
- 40 N
- Economiser in a steam boiler is used to :
- Increase the temperature of superheated steam
- To indicate the water level inside the boiler
- Heat the feed water by utilising the heat in the exhaust gases
- Regulate the supply of water pumped into the boiler
- The function of a moderator in a nuclear power plant is to :
- Absorb the thermal neutrons and control the chain reaction
- Take away the heat from reactor to the heat exchanger
- Store the fissionable material for better control of reaction
- Slow down the fast moving fission neutrons
- The function of a surge tank in a hydro-electric power plant is to :
- Carry the water to the turbine nozzle
- Reduce the water hammer inside the penstock pipe occurs during sudden closure of the nozzle
- Regulate the water flow rate to the turbine
- Increase the work done by reducing pressure head
- If an engine lathe is equipped with a four stepped cone pully head stock and back gear arrangement, then the total spindle speed obtained will be :
- 4
- 6
- 10
- 8
- Positive back rake angle for a carbide tool is preferred for machining :
- Harder material
- Softer material
- Brittle material
- All materials
- If the lathe spindle and lead screw rotate with same RPM while thread cutting operation. Then the pitch of thread of the workpiece will be :
- Equal to the lead screw pitch
- Equal to half the pitch of lead screw
- Equal to the pitch of rack and pinion
- Equal to twice the lead screw pitch
- Rough cutting, semi-finishing and finishing operations are completed in a single stroke of tool pass by using :
- Boring tool
- Reaming tool
- Drilling tool
- Broaching tool
- Total number of tools that can hold on a turret lathe is up to :
- 6
- 14
- 10
- 8
- Dressing and truing related with :
- Grinding wheel
- Milling cutter
- Knurling tool
- Gang drilling
- Countersinking is the operation of :
- Machining the entrance of the hole in a conical shape to accommodate screw head
- Enlarging the hole with a boring tool
- Making internal threads
- Drilling stepped holes
- __________ is the passage around the cylinder through which water is allowed to flow to cool the cylinder.
- Water Jacket
- Port
- Manifold
- Fin
- Top of the piston is called __________ .
- Boss
- Dome
- Skirt
- Land
Question error
- On an engine that drives an automatic transmission a __________ is used in the place of a flywheel.
- Back Plate
- Harmonic Balancer
- Balance Shaft
- Flex Plate
- __________ Articulates the piston to the small end of the connecting rod.
- Eye Bolt
- Wrist Pin
- King Pin
- Crank Pin
- __________ are used to transmit the force from the camshaft to the push rods in an overhead value engine.
- Tappets
- Timing Gears
- Rocker Arms
- Valve Guides
- To enrich the mixture to a Degree necessary to start the Petrol Engine, the carburetor is provided with __________ system.
- Main metering
- Idling
- Choke
- Acceleration
- Carburettor __________ is intended to Prevent Enrichment of the Mixture in case of clogging of Air cleaner.
- Balancing
- Flooding
- Tuning
- Compensation
- In Diesel Engine __________ delivers finely divided atomized fuel under High pressure to the combustion chamber.
- Governor
- Injector
- Fuel feed pump
- Fuel injection pump
- __________ valve regulates the flow of water to the radiator.
- PCV
- Pressure Relief
- Vacuum
- Thermostat
- __________ is a pipe line from oil pump to the oil stored in the oil pan.
- Oil filter
- Oil Gallery
- Oil pump pick up
- Pressure relief valve
- The spindle of the steering knuckle carries the __________ mounted on tapered roller bearing.
- Tie Rod
- Wheel Hub
- Wheel Rim
- Brake Drum
- __________ provide a rigid structural foundation for vehicle body and A solid anchorage for suspension system.
- Upholstery
- Frame
- Front Axle
- Engine mountings
- __________ occurs when the wheel hits a Dip or Hole and moves downward.
- Rebound
- Wobble
- Jounce
- Rolling
- Amount of load necessary to Deflect the spring is termed __________ .
- Sprung weight
- Unsprung weight
- Axle load
- Spring rate
- Short long arm suspension is commonly known as __________ system.
- Torsion Bar
- Leaf spring
- A-Frame wish bone
- Mac pherson strut suspension
- __________ uses sliding pair, which means more friction and easy wearing of steering components.
- Davis steering
- Power steering
- Rack and Pinion steering
- Ackerman steering
- __________ connects the two front stub axles through an arm.
- Pitman arm
- Tie rod
- Steering column
- Torsion bar
- Ratio of steering wheel angle turned to stub axle angle turned is called __________ .
- Turning Radius
- Toe in
- Steering Gear Ratio
- Aspect Ratio
- Disc Brakes are also known as __________ Brakes.
- Leading brake
- Trailing brake
- Internal expanding brake
- External contracting brake
- __________ valve in the front brake line of hydraulic brake system holds off pressure going from master cylinder to front disc calipers.
- Schrader valve
- Metering valve
- Bleeder valve
- Proportioning valve
- If the clutch disc is not completely released when clutch pedal is fully depressed, __________ occurs.
- Clutch Drag
- Chatter
- Pedal Pulsation
- Clutch slippage
- Belleville spring is the other name for __________ .
- Leaf spring
- Diaphragm spring
- Cushion spring
- Coil spring
- __________ is used to ensure that the main shaft and main speed gear to be Locked to it are rotating at the same speed.
- Transfer Case
- Transaxle
- Shift fork
- Synchronizer
- Cluster gear is other name for __________ .
- Idler Gear
- Main Shaft Gear
- Countershaft Gear
- Final Drive Gear
- __________ are commonly used on Front wheel drive vehicles.
- Transaxles
- Double Reductions
- Synchronizers
- Slip Joints
- Inflation Pressure is associated with __________ .
- Combustion chamber
- Cooling system
- Shock Absorber
- Tires
- A Tire’s __________ is the relation of its cross section height compared to the cross section width.
- Rotation
- Profile
- Placard
- Treadwear indicator
- Function of __________ is to keep positive and negative plates apart when they are assembled in the battery and so prevent internal short circuit.
- Pole strap
- Core connector
- Separator
- Splash plate
- __________ is a topping up device for Battery.
- Alternator
- Charger
- Jump start
- Aqua lok
Question error
- __________ circuit consists of the secondary winding of the ignition coil, the distributor, the High tension wires and Spark Plugs.
- Primary
- Charging
- High Tension
- Rectifier
- __________ is an occurrence in the use of motor vehicle resulting in injury to or death of a Person or Animal or Damage of any property.
- Accident
- Insurance
- Surveying
- Policy
- __________ is the width of land to be acquired for Road purposes, keeping in view future requirements.
- Set back distance
- Carriage way
- Right of way
- Shoulder width
- __________ means a certificate issued by a competent authority to the effect that a motor vehicle has been duly Registered in Accordance with provision of chapter IV of M.V. Act.
- PUC Certificate
- Vehicle Insurance Certificate
- Road Worthiness Certificate
- Certificate of Registration
- __________ means any mechanically propelled vehicle adapted to use upon roads, which is self propelled.
- Motor vehicle
- OmniBus
- Maxi Cab
- Motor Cab
- An Accident or Fire Damage vehicle is deemed to be a __________ if the cost of repairs exceeds the Pre Accident market value.
- Salvage
- Obsolete
- Total loss
- Value added tax
- Single point fuel injection is also called __________ .
- MPFI system
- Fuel Delivery System
- Synchronous injection
- Throttle Body Injection
- __________ sensors measure changes in intake manifold pressure caused by changes in Engine speed and load and convert them into Electrical signals.
- Air vortex
- Throttle position
- Map
- Vehicle speed
- EGR is Employed to reduce amount of __________ in Emissions.
- NOx
- CO
- UBHC
- SO2
- __________ systems use Global positioning satellites to help drivers make travel decisions while they are on the road.
- Keyless entry
- Navigation
- Passkey
- Vehicle Tracking
- Supplemental inflatable restraint on modern vehicles are better known as __________ .
- Ignition kill systems
- Seat Belts
- Collapsible Steering system
- Air Bag system
- Athma Bodhodaya Sangam was founded by :
- Poykayil Yohannan
- Shubanand Gurudevan
- Kumaranasan
- Pambadi John Joseph
- The venue of Salt Sathyagraha in Kerala was :
- Alappuzha
- Kannur
- Kozhikode
- Neendakara
- K.A. Keraleeyans name is associated with :
- Karshakasangham
- Kayyur revolt
- Malabar Rebellion
- Morazha revolt
- Herman Gundert belonged to which of the following missionary group?
- L.M.S.
- C.M.S.
- Basel mission
- Salvation Army
- Travancore State Congress formed in :
- 1931
- 1933
- 1936
- 1938
- The chairman of Law Commission in India is :
- Justice K. Narayana Kurup
- Justice Balbir Singh Chauhan
- Justice Deepak Misra
- Justice J.B. Koshy
- Who is the director of the film Valia Chirakulla Pakshi?
- Dr. Biju
- Anvar Rasheed
- Dilesh Pothan
- Martin Prakat
- The oldest National Park in India is :
- Periyar National Park
- Gim Corbet National Park
- Ranthambore National Park
- Kaziranga National Park
- Kundara Proclamation was in the year :
- 1801
- 1805
- 1807
- 1809
- The headquarters of ASEAN is :
- Bangkok
- Maldives
- Jakarta
- Nepal
- Sawhrida Jadha associated with Paliyam Sathyagraha was led by :
- K. Devayani
- K.K. Kausalya
- Akkama Cheriyan
- Sarada Ammal
- The person who is known as Swami Vivekananda of Kerala :
- Arattu puzha Velayuda Panikkar
- T.K. Madhavan
- Agamananda Swamikal
- Kumbalath Sanku Pillai
- The southernmost river in Kerala :
- Neyyar
- Kallar
- Pambar
- Korapuzha
- The venue of 2020 Olympics is :
- Tokyo
- Qatar
- China
- Argentina
- The President of Kerala Sahithya Academy is :
- C. Radhakrishnan
- Sethu
- Khadeeja Mumtaz
- Vyasahkhan
- Wagon Tragedy is associated with :
- Malabar Rebellion
- Mappila Revolt
- Punnapra Wayalar Upheaval
- Quit India Movement
- Who was the Chief Guest of the 67th Republic Parade?
- Barak Obama
- Francois Hollande
- Teresa May
- Angela Merkar
- The scientific advisor of Chief Minister of Kerala :
- G. Madhavan Nair
- Radhakrishnan Nair
- M.C. Dattan
- M.G.K. Menon
- India bought Raphel war Plaines from which of the following country?
- France
- Israel
- America
- Germany
- Kerala Kala Mandalam started in the year :
- 1928
- 1930
- 1932
- 1935
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