Which of the following is an example of transmission system ?
A
Clutch
B
Gear box
C
Universal joint
D
All of these
Question 8Single Answer
Foreigner vehicle is
A
Toyota
B
Contesa
C
Opel Astra
D
None of these
Question 9Single Answer
Full form of LMV is
A
Light Moving Vehicle
B
Light Motor Vehicle
C
Load Moving Vehicle
D
Light Motion Vehicle
Question 10Single Answer
Main part of motor vehicle is
A
chassis
B
body
C
Both (a) and (b)
D
None of these
Question 11Single Answer
Kinetic India Limited (Pune) produce
A
Luna
B
Laxmi
C
Swega
D
Hero Majestic
Question 12Single Answer
Which company made hard moped ?
A
Tamil Nadu Moped
B
Moped India
C
Sain and Pandit
D
Hero Majestic
Question 13Single Answer
......... in an automobile is the source of power .
A
Engine
B
Output
C
Steering system
D
Suspension system
Question 14Single Answer
Chassis of the automobile supports, its
A
body
B
engine
C
transmission
D
All of these
Question 15Single Answer
............ is the birth place of the automobile .
A
Germany
B
Japan
C
America
D
Italy
Question 16Single Answer
First motor car race was held in ............ .
A
1896
B
1898
C
1895
D
1899
Question 17Single Answer
Generally motor vehicle is
A
backward drive
B
right hand drive
C
centre drive
D
left hand drive
Question 18Single Answer
Heavy vehicle is
A
Red Ford
B
Contesa
C
Maruti 1000
D
Yezdi
Question 19Single Answer
The first automobile powered by steam engine was built in France by
A
Nicholas-Joseph Cugnot
B
Daimler Benz
C
Henry Ford
D
Elwood J. Haynes
Question 20Single Answer
In the year 1885, the real automobile was built by which of the following man ?
A
Nicholas-Joseph Cugnot
B
Daimler Benz
C
Henry Ford
D
Elwood J. Haynes
Question 21Single Answer
Vehicle without body is known as
A
wheel
B
ring
C
axle
D
chassis
Question 22Single Answer
Which of the following is called power plant ?
A
Axle
B
Chassis
C
Wheel
D
Engine
Question 23Single Answer
The first motor car appeared in India in
A
1870
B
1898
C
1753
D
1947
Question 24Single Answer
The first successful American car was built by
A
Duryea Brothers
B
Lanchester
C
Both (a) and (b)
D
None of these
Question 25Single Answer
Which is the India manufacturer of jeeps ?
A
Ashok Leyland
B
Hindustan Motors
C
Mahindra and Mahindra
D
None of the above
Question 26Single Answer
Which of the following is the Indian manufacturer of moped ?
A
Enfield India
B
Indian Automotives
C
Moped India
D
All of these
Question 27Single Answer
Indian manufacturer of tractors are
A
Eicher
B
Escorts
C
Gujarat Tractors
D
All of these
Question 28Single Answer
Which of the following Udyog ?
A
Maruti 800 car
B
Maruti 800 deluxe car
C
Maruti 800 flat roof car
D
All of these
Question 29Single Answer
In 1935, ...... made an automobile industry in are the kinds of India .
A
Sir M. Visvesvaraya
B
Sir Rajdoot
C
Sir Charles and Frank
D
None of the above
Question 30Single Answer
Which of the following are the Indian manufacturer of scooters ?
A
Andhra Pradesh Scooters
B
API
C
Bajaj Auto
D
All of the above
Question 31Single Answer
In petrol engine, combustion pressure is
A
1 : 4-1 : 10
B
1 : 12-1 : 22
C
3 : 5-5 : 10
D
5 : 12-5 : 22
Question 32Single Answer
Which of the following is a type of super charger ?
A
Piston type
B
Blower type
C
Turbo type
D
All of these
Question 33Single Answer
What is called internal diameter of cylinder ?
A
Throw
B
Bore
C
TDC
D
BDC
Question 34Single Answer
Engine is a device, which converts
A
mechanical energy into heat energy
B
heat energy into mechanical energy
C
mechanical energy into sound energy
D
None of the above
Question 35Single Answer
Engine valve open by
A
Crank shaft
B
Cam shaft
C
Roker shaft
D
Valve guide
Question 36Single Answer
Which metal cylinder is made ?
A
Brass
B
Cast iron
C
Aluminium
D
None of these
Question 37Single Answer
In compression stroke piston move
A
upward
B
BDC to TDC
C
downward
D
left to right
Question 38Single Answer
Two-stroke engine is ......... engine .
A
water cooled
B
air cooled
C
oil cooled
D
None of these
Question 39Single Answer
If the clearance volume 6 cu/inch and the displacement volume is 36 cu/inch. What will be value of compression ratio ?
A
3 : 1
B
4 : 1
C
5 : 1
D
7 : 1
Question 40Single Answer
The power produced in cylinder is called ......... .
A
brake horse power
B
indicated horse power
C
frictional horse power
D
None of these
Question 41Single Answer
Another name of diesel engine is
A
High volume combustion engine
B
Low volume combustion engine
C
Constant volume combustion engine
D
No volume combustion engine
Question 42Single Answer
The volume remain at the top of the piston, when the piston is at TDC is called at ......... .
A
unswept volume
B
clearance volume
C
Both (a) and (b)
D
swept volume
Question 43Single Answer
A fuel which has a higher itself ignition temperature
A
detonates less
B
helps detonation
C
results in smooth burning of charge
D
increase the rate of ignition
Question 44Single Answer
Pre-ignition
A
is the spontaneous ignition of the last part of charge
B
is resorted to at higher altitudes
C
increases the efficiency and saves unburnt fuel
D
causes reduced efficiency and loss of power engine
Question 45Single Answer
The efficiency of internal combustion ranges from
A
15%-35%
B
20%-40%
C
25%-30%
D
30%-35%
Question 46Single Answer
The firing order in a four-stroke IC engine is
A
1-2-3-4
B
1-4-3-2
C
1-3-4-2
D
1-2-4-3
Question 47Single Answer
The quantity control method of governing is used in
A
diesel engines
B
rocket engines
C
petrol engines
D
steam engines
Question 48Single Answer
The delay period in SI engine is about
A
0.10 s
B
0.0002 s
C
0.002 s
D
the ignition time lag
Question 49Single Answer
Which among the following can be used for Turbojet engines ?
A
Kerosene
B
Methyl alcohol
C
High speed diesel
D
Demethylated spirit
Question 50Single Answer
The thermal efficiency of an IC engine is
A
more than external combustion engine
B
less than external combustion engine
C
equal to external combustion engine
D
independent of method of fuel ignition
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Mechanical and Automobile Engineering
Question 51Single Answer
If a four-strokes engine is revolving of at 1200 rpm, then the number of explosions are equal to
A
1200
B
600
C
2400
D
300
Question 52Single Answer
If L is the stroke length and r is the crank radius, then
A
L = r
B
L = 4r
C
L =
D
L = 2r
Question 53Single Answer
In IC engine the type of governing used is
A
quality governing
B
quantity governing
C
hit and miss governing
D
None of these
Question 54Single Answer
Which one is not related of IC engine ?
A
Gas turbine
B
Four-stroke IC engine
C
Two-stroke Sl engine
D
Steam turbine
Question 55Single Answer
Which is related to IC engine only ?
A
Distributor
B
Spark plug
C
Atomizer
D
Carburettor
Question 56Single Answer
Spark ignition engine works on
A
Carnot cycle
B
Rankine cycle
C
constant pressure cycle
D
constant volume cycle
Question 57Single Answer
The term 'Bore' in IC engine is used for
A
diameter of the piston
B
inside diameter of cylinder
C
diameter of piston ring
D
None of the above
Question 58Single Answer
Displacement volume or swept volume is the volume displaced by the piston in
A
two-strokes
B
four-strokes
C
one-stroke
D
half-stroke
Question 59Single Answer
The piston, if an IC engine completes two strokes in
A
180° of crank rotation
B
360° of crank rotation
C
540° of crank rotation
D
720° of crank rotation
Question 60Single Answer
The pistons are usually given a coating such as tin plating in order to
A
conduct heat efficiency
B
reduce possibility of scoring
C
reduce friction
D
None of the above
Question 61Single Answer
Piston rings are usually made of
A
steel
B
cast iron
C
aluminium
D
babbit
Question 62Single Answer
In loop scavenging, the top of piston is
A
contoured
B
depressed
C
slanted
D
flat
Question 63Single Answer
In the crank case method of scaversing the air pressure is produced by
A
movement of piston
B
centrifugal pump
C
national aspirator
D
None of these
Question 64Single Answer
Connecting rod is made of
A
aluminium alloy
B
cast iron
C
copper alloy
D
medium carbon steel
Question 65Single Answer
In a four-stroke four cylinder diesel engine, number of carburettors used is
A
0
B
1
C
2
D
4
Question 66Single Answer
The material of the exhaust valve is
A
aluminium alloy
B
cast iron
C
silicon chrome steel
D
low carbon steel
Question 67Single Answer
The flywheel is located on the
A
racker arm shaft
B
crankshaft
C
cam shaft
D
All of these
Question 68Single Answer
The function of the governor is to
A
supply energy during non-working strokes
B
supply energy when the piston is at dead centre
C
run the engine at some average constant speed
D
control vibrations due to the reciprocating parts
Question 69Single Answer
The popular firing order of a four-stroke SI engine is
A
1-3-4-2
B
1-2-3-4
C
4-3-2-1
D
2-4-3-1
Question 70Single Answer
Morse test is used to determine efficiency of
A
multi-cylinder engines
B
four-stroke engines
C
two-stroke engines
D
None of these
Question 71Single Answer
In petrol engine, actual pressure developed compared to the predicted maximum pressure is
A
50%
B
25%
C
70%
D
90%
Question 72Single Answer
In a naturally aspirated diesel engine, air is supplied by
A
a super charger
B
a centrifugal blower
C
a vacuum chamber
D
an injection tube
Question 73Single Answer
Which of the following symptoms show that the combustion is necessarily complete ?
A
Presence of free carbon in exhaust
B
Presence of carbon mono-oxide in exhaust
C
Presence of oxygen in exhaust
D
Presence of nitrogen in exhaust
Question 74Single Answer
Those engines where fuel is burnt outside the combustion chamber are called
A
External combustion engine
B
Internal combustion engine
C
Both (a) and (b)
D
None of the above
Question 75Single Answer
Which of the following is not the example of internal combustion engine ?
A
Wankle engine
B
Petrol engine
C
Steam engine
D
Diesel engine
Question 76Single Answer
If a submerged body displaced from its equilibrium position, returns to its original position, it is called __________.
A
thermal equilibrium
B
neutral equilibrium
C
unstable equilibrium
D
stable equilibrium
Question 77Single Answer
In a flow measurement, a venturi meter is preferred over an orifice plate because _____.
A
energy of head loss is less
B
It is cheaper
C
pressure drop is more
D
space is limited
Question 78Single Answer
Pitot tube measures ______.
A
dynamic pressure of a moving stream
B
guage pressure
C
temperature of moving water
D
pressure difference between two fluids
Question 79Single Answer
Which of the following is not a property of an ideal fluid ?
A
flow is irrotational
B
it has no viscosity
C
it has viscosity
D
it is incompressible
Question 80Single Answer
Nozzle used in steam turbines convert ________.
A
enthalpy of steam into work
B
enthalpy of steam into kinetic energy
C
enthalpy of steam into pressure energy
D
pressure energy into work
Question 81Single Answer
Which of the following assumptions is the most relevant in air-standard cycle analysis ?
A
All the processes within the cycle are irreversible
B
Working fluid is a fixed mass
C
Specific heat of air changes during the cycle
D
Cycle is assumed to be an open cycle
Question 82Single Answer
The modern Francis turbine is a ___________flow turbine .
A
tangential
B
axial
C
radial
D
mixed
Question 83Single Answer
Variation of stress with strain rate for a Newtonian fluid is ______ .
A
hyperbolic
B
linear
C
elliptical
D
parabolic
Question 84Single Answer
Which of the following is NOT a part of refrigeration systems ?
A
Turbine
B
Evaporator
C
Compressor
D
Condenser
Question 85Single Answer
Which of the following is NOT an intensive property ?
A
Temperature
B
Total volume
C
Pressure
D
Density
Question 86Single Answer
Which of the following does NOT represent a unit of viscosity ?
A
Stoke
B
Poise
C
m²/sec
D
N-m/sec
Question 87Single Answer
__________ in the fuel is oxidised during knocking .
A
Hydrocarbon
B
Phosphorous
C
Water
D
Coal
Question 88Single Answer
_________ is defined as the ability of a material to resist deformation under action of an external load .
A
Stiffness
B
Resilience
C
Brittleness
D
Toughness
Question 89Single Answer
Draught is produced in locomotive boilers by which of the following components ?
A
Locomotive
B
Steam jet
C
Centrifugal fan
D
Chimney
Question 90Single Answer
For a steady flow, the value of all fluid properties at any fixed point _________ .
A
do not change with location
B
change with time
C
change with location
D
do not change with time
Question 91Single Answer
For a floating body, if the metacentre is below the centre of gravity, then the body is said to be __________ equilibrium .
A
thermal
B
stable
C
unstable
D
neutral
Question 92Single Answer
________ is useful for measuring flow of a conducting fluid .
A
Orifice meter
B
Rotameter
C
Vane meter
D
Electro-magnetic flow meter
Question 93Single Answer
A two- stroke engine consists of ________ port (s)
A
Three
B
Four
C
One
D
Two
Question 94Single Answer
Air Cooling is mostly preferred for _________ .
A
heavy truck
B
buses
C
moto cycles
D
multi-utility vehicles
Question 95Single Answer
_______ valves are provided in reciprocating compressors .
A
Simply supported
B
Solenoid
C
Plate
D
Poppet
Question 96Single Answer
Benson boiler have ______ water drum (s)
A
One
B
Zero
C
Three
D
Two
Question 97Single Answer
_________ is used for pumping water into a boilers .
A
Economiser
B
Duplex pump
C
Feed pump
D
Rotor
Question 98Single Answer
The function of a carburetor in internal combustion engines is :
A
to control fuel alone
B
to cool exhaust gases
C
to maintain air-fuel ratio
D
to control air alone
Question 99Single Answer
The device which transfers energy from the ______ to _____ the is known as hydraulic turbine .
A
atmosphere; fluid
B
rotor; fluid
C
fluid; rotor
D
fluid; atmosphere
Question 100Single Answer
The flash chamber in the single stage VCR cycle serves to ________ .
A
decrease the compression ratio
B
increase the refrigerating effect
C
increase the compression ratio
D
decrease the refrigerating effect
Question 101Single Answer
Define thermodynamics .
A
It is a science which deals with the relation between heat, work and properties of systems
B
It is a science which deals with work done
C
It deals with dynamics under thermal conditions
D
It is science which deals with the relation between work and properties
Question 102Single Answer
Which of the following statements is correct about a Benson boiler ?
A
Air is sent through the same direction
B
There is no recirculation of water
C
Steam is sent out in multiple directions
D
Flue gases pass only in one direction
Question 103Single Answer
Within a refrigeration system, the expansion valve is incorporated between the ________ .
A
Super-heater and sub-cooler
B
compressor and condenser
C
evaporator and compressor
D
condenser and evaporator
Question 104Single Answer
The reversed ______ cycle employed for passenger aircraft systems .
A
Carnot
B
Atkinson
C
Ericsson
D
Brayton
Question 105Single Answer
Fusible plug in a steam boiler is placed ______ .
A
below the water level indicator
B
at he crown of the furnace
C
at the fire grate of the boiler
D
near the manhole
Question 106Single Answer
Aqua ammonia solution used in a vapour absorption refrigeration system is a solution of ammonia in ________ .
A
CF3
B
LiBr
C
H2O2
D
H2O
Question 107Single Answer
Coated electrodes are used in ______ .
A
gas tungsten arc welding
B
submerged arc welding
C
tungsten insert gas welding
D
shielded metal arc welding
Question 108Single Answer
Where is air cycle refrigeration commonly used ?
A
Domestic refrigerator
B
Cold storage
C
Aircraft conditioning
D
Car air conditioning
Question 109Single Answer
________, is not a water tube boiler .
A
Benson boiler
B
Babcock-Wilcox boiler
C
Stirling boiler
D
Scotch marine
Question 110Single Answer
Stoke is another unit of -
A
kinematic viscosityy
B
velocity gradient
C
Shear stress
D
dynamic viscosit
Question 111Single Answer
For a refrigerating machine, capacity is expressed as ______ .
A
the lowest temperature attained
B
inside volume of the cabinet
C
gross weight of the machine
D
rate of heat extraction from the space being cooled
Question 112Single Answer
The value of quality or dryness fraction of a substance in saturated liquid-vapor mixture is ________ .
A
1
B
2
C
Zero
D
between Zero and 1
Question 113Single Answer
Uniform flow is the type of flow where in velocity at any given time ________- with respect to space .
A
Decreases
B
Does not change
C
Increases
D
Changes
Question 114Single Answer
______ falls under the category of a water tube boiler .
A
Locomotive boiler
B
Lancashire boiler
C
Cornish boiler
D
LaMont boiler
Question 115Single Answer
Chaplets are used in ________ .
A
forging
B
casting
C
welding
D
extrusion
Question 116Single Answer
Which of the following is NOT a unit of pressure ?
A
Pa
B
Bar
C
N/m²
D
Joule
Question 117Single Answer
What was the first refrigerant used in continuous refrigeration system ?
A
Ammonia
B
Water
C
Air
D
Carbon dioxide
Question 118Single Answer
For a 2 m deep swimming pool, pressure difference between the top and the bottom of the pool is ________ kPa .
A
22
B
19.6
C
11
D
12
Question 119Single Answer
Pressure measurement is done by ____. by measuring heat loss from a heated wire .
A
A pirani gauge
B
a manometer
C
a barometer
D
an orifice meter
Question 120Single Answer
In the Rankine cycle, the fluid which enters the boiler is :
A
water
B
steam
C
mercury
D
oxygen
Question 121Single Answer
Percentage elongating measured during tensile testing indicates _____ .
A
malleability
B
fatigue strength
C
creep
D
ductility
Question 122Single Answer
For a given centrifugal pump, discharge varies _______ with speed .
A
fifth power of
B
linearly
C
inversely
D
square root of
Question 123Single Answer
Foaming is a phenomenon that occurs in the boiler feed water due to _____ .
A
nitrogen peroxide
B
manganese
C
sodium chloride
D
oil
Question 124Single Answer
Compounding of a steam turbine is done to ______ .
A
balance the rotor
B
reduce the rotor speed
C
reduce the blade friction
D
connect the shaft
Question 125Single Answer
Any change in entropy could be achieved by changing______ .
A
velocity
B
heat
C
acceleration
D
mass
Question 126Single Answer
Smoke emitting from a lighted cigarette represents ________ .
A
point
B
pathline
C
streakline
D
streamline
Question 127Single Answer
The splash system is NOT used to lubricate _______ .
A
tappets
B
camshafts
C
gear teeth and roller bearings
D
piston rings
Question 128Single Answer
A dead weight tester is used widely for ______ .
A
producing high pressures
B
accurate measurement of loads
C
calibration of another equipment
D
testing magnitude of the given weight
Question 129Single Answer
_______ CANNOT be classified as inversion (s) of a single-slider crank mechanism .
A
Elliptical trammel
B
Whitworth quick-return mechanism
C
Oscillating cylinder engine
D
Crank and slotted-lever mechanism
Question 130Single Answer
Which of the following is NOT a part of Rankine cycle ?
A
Pump
B
Compressor
C
Boiler
D
Turbine
Question 131Single Answer
A power plant that uses a gas turbine followed by a steam turbine for necessary power generation is known as __________ cycle power plant .
A
combined
B
bottom
C
generation
D
topping
Question 132Single Answer
In the context of properties of steel, which of the following statement is highly relevant ?
A
Presence of carbon contents imparts strength to iron
B
Presence of carbon does not influence the heat-treatment process
C
Presence of manganese decreases strength.
D
Presence of sulphide improves corrosion resistance
Question 133Single Answer
Those pumps employed for mud related work have ______ type of impeller .
A
an open
B
a two-side shrouded
C
a double-suction
D
a one-side shrouded
Question 134Single Answer
If the oil viscosity increased, then the wear loss _________ .
A
increases
B
becomes zero
C
decreases
D
remains the same
Question 135Single Answer
Impact load is an example of :
A
uniform load
B
static load
C
dynamic load
D
fatigue load
Question 136Single Answer
Internal energy associated with kinetic energy of molecules is ______ .
A
latent energy
B
nuclear energy
C
sensible energy
D
chemical energy
Question 137Single Answer
A capillary tube is employed in a refrigeration cycle to _______ .
A
produce a cooling effect
B
control temperature of the refrigerated space
C
reduce pressure of the refrigerant
D
control flow of the refrigerant
Question 138Single Answer
The Babcock-Wilcox boiler is classified as a water tube boiler because :
A
it has a large reservoir of water at the bottom
B
water passes around the tubes having hot gases
C
water heater is mounted on the boiler itself
D
water passes through the tube and hot gases around
Question 139Single Answer
Otto cycle of a car engine consists of :
A
two isochore and two reversible adiabatic cycles
B
four adiabatic cycles
C
one isochore cycle only
D
one adiabatic cycle only
Question 140Single Answer
When hot air exhausting from the turbine is used to heat up the compressor exit flow, it is knows as _______ .
A
regeneration
B
re-evaporating
C
intercooling
D
intracooling
Question 141Single Answer
If the specific gravity of oil is 0.7, then its density in kg/m³ will be _______ .
A
700
B
7
C
70
D
7000
Question 142Single Answer
viscous forces are NOT available in _______ .
A
laminar flow
B
irrational flow
C
rotational flow
D
transitional flow
Question 143Single Answer
Which of the following is the most widely used fuel in boilers ?
A
Pulverised coal
B
Wood
C
Oil
D
Anthracite coal
Question 144Single Answer
If the relationship between shear stress of a fluid is NOT linear to the velocity gradient, then the fluid is :
A
a compressible fluid
B
a Newtonian fluid
C
a non-Newtonian fluid
D
an ideal fluid
Question 145Single Answer
In a Pelton wheel, jet ratio values are ________ .
A
More than 6
B
between 2 and 5
C
less than 1
D
less than or equal to 2
Question 146Single Answer
What is kinematic viscosity ?
A
It is the rate of change of shear stress
B
It is the ratio of dynamic viscosity to relative density
C
It is the ratio of dynamic viscosity to mass density
D
It is the rate of change of shear strain
Question 147Single Answer
The efficiency of an ideal diesel engine does NO directly depend on ______ .
A
the cut-off ratio
B
the compression ratio
C
the fluid pressure
D
the isentropic index
Question 148Single Answer
Which of the following equipment gives direct reading of fluid flow rates ?
A
Nutating disk flow meter
B
Hot wire anemometer
C
Rotameter
D
Orifice meter
Question 149Single Answer
The tendency of material to fracture without appreciable deformation is called ______ .
A
stiffness
B
plasticity
C
toughness
D
brittlensess
Question 150Single Answer
Lancashire boiler has ______ flue tube(s), whereas Cornish boiler has _____ flue tube (s) .
