The famous Chitrakot waterfall in Chhattisgarh state is situated in ?
A
Baghel Khand Plateau
B
Chhattisgarh Basin
C
Jashpoor-Samri Region
D
Dandkaranya Region
Question 4Single Answer
Export of Iron-ore from Bastar is done from which of the following sea ports?
A
Chennai
B
Vishakhapatnam
C
Cochin
D
Mumbai
Question 5Single Answer
In which of the following districts is the maximum Iron-ore produced in Chhattisgarh ?
A
Rajnandgaon
B
Bastar
C
Korea
D
Mahasamund
Question 6Single Answer
In which of the following districts of Chhattisgarh is the Korba super power station established?
A
Raigarh
B
Korba
C
Sarguja
D
Raipur
Question 7Single Answer
The only Jute industry of Chhattisgarh is located in which of the following districts ?
A
Raigarh
B
Korea
C
Jashpoor
D
Raipur
Question 8Single Answer
In which of the following districts is Dandkaranya project located ?
A
Raipur
B
Jagdalpur
C
Bastar
D
Durg
Question 9Single Answer
Total no. of M.L.A. seats in Chhattisgarh ?
A
60
B
80
C
90
D
93
Question 10Single Answer
In which of the following districts in Chhattisgarh is Kutumsar cave situtated ?
A
Dantewara
B
Mahasamund
C
Korea
D
Bastar
Question 11Single Answer
In which of the following districts is Maa danteshwari temple located ?
A
Kanker
B
Dantewara
C
Bastar
D
Raipur
Question 12Single Answer
In which of the following districts was the Bhilai institute of technology in the memory of Seth Bal Krishan established in September, 1986 ?
A
Durg
B
Rajnandgaon
C
Raipur
D
Jagdalpur
Question 13Single Answer
At which of the following rivers is Mini Mata project situated ?
A
Mahanadi
B
Hasdo
C
Eb
D
Shiv Nath
Question 14Single Answer
Density of population (census 2001) in the state ?
A
130
B
154
C
156
D
160
Question 15Single Answer
The capital of Chhattisgarh ?
A
Bilaspur
B
Raipur
C
Jagdalpur
D
Durg
Question 16Single Answer
How many tehsils are there in Chhattisgarh state?
A
16
B
48
C
97
D
100
Question 17Single Answer
How many universities are there in Chhattisgarh ?
A
2
B
3
C
7
D
5
Question 18Single Answer
The Sex-Ratio (census 2001) in Chhattisgarh state ?
A
952
B
962
C
898
D
992
Question 19Single Answer
The Rate of population increase (1991-2001) in Chhattisgarh was?
A
16.21
B
17.06
C
18.06
D
22.26
Question 20Single Answer
The average height of the Dandakaranya region ?
A
200 metre
B
400 metre
C
800 metre
D
900 metre
Question 21Single Answer
No. of habitated villages in Chhattisgarh ?
A
18,720
B
20,308
C
20,378
D
20,478
Question 22Single Answer
The total no. of towns in Chhattisgarh ?
A
85
B
97
C
95
D
100
Question 23Single Answer
Which of the following is situated in the North of tropic of cancer ?
A
Ramanujung
B
Ambikapur
C
Baikunthpur
D
Dareea
Question 24Single Answer
At which of the following rivers is Chitrakot dam situated ?
A
Eb
B
Indravati
C
Shiv Nath
D
Jonk
Question 25Single Answer
What is the percentage of forested land in Chhattisgarh ?
A
35.01
B
38.01
C
40.85
D
43.85
Question 26Single Answer
Ari Dongari range of district Kanker produces Iron-ore. In which of the tehsils is this range situated ?
A
Bhanupratap Pur
B
Narharpur
C
Antagarh
D
Kanker
Question 27Single Answer
Which district of Chhattisgarh state has maximum no. of tehsils ?
A
Janjgir
B
Rajnandgaon
C
Raipur
D
Durg
Question 28Single Answer
In which of the following districts is Kosse cloth prepared by Kosta tribe?
A
Durg
B
Bastar
C
Raigarh
D
Korba
Question 29Single Answer
Bristal and Panama are the main cigrettes which are manufactured in Chhattisgarh. Where are the Bristal cigrattes manufactured ?
A
In Durg
B
In Raigarh
C
In Bilaspur
D
In Raipur
Question 30Single Answer
Where is the South-Eastern coal field Ltd ?
A
In Jagdalpur
B
In Bilaspur
C
In Durg
D
In Raipur
Question 31Single Answer
In which of the following districts are Joggimara caves situated ?
A
Jashpoor
B
Sarguja
C
Bilaspur
D
Kavardha
Question 32Single Answer
Where is the Bamleshwari temple situated ?
A
Dongargarh
B
Antagarh
C
Bishrampur
D
Bilaspur
Question 33Single Answer
In which of the following districts is the maximum concentration of population ?
A
Raipur
B
Durg
C
Bilaspur
D
Bastar
Question 34Single Answer
As per 2001 census the literacy rate of Chhattisgarh state is 65.18%. What is the literacy of male and female ?
A
50.28%, 30.24%
B
60.81%, 50.76%
C
65.38%, 69.70%
D
77.86%, 52.40%
Question 35Single Answer
Which of the following tribes Dhanka is a sub tribe ?
A
Orang
B
Korba
C
Bhetra
D
Kamar
Question 36Single Answer
In which of the following districts is the Cement Corporation of India factory not situated ?
A
Durg
B
Raipur
C
Janjgir
D
Raigarh
Question 37Single Answer
What per cent of the arabe land in Chhattisgarh is main cultivation ?
A
43%
B
65%
C
35%
D
29%
Question 38Single Answer
In which of the following districts Century is Mill of Birla situated ?
A
Raigarh
B
Raipur
C
Bilaspur
D
Durg
Question 39Single Answer
Where is the Belladella Iron project situated ?
A
In Bacheli (Jagdalpur)
B
In Bastar
C
In Raigarh
D
In Raipur
Question 40Single Answer
Where was the plastic complex in Chhattisgarh established ?
A
Korba
B
Dantewara
C
Raigarh
D
Raipur
Question 41Single Answer
Who was elected as the President of the European Council ?
A
Ursula von der Leyen
B
Antonio Costa
C
Emile Noël
D
Ilze Juhansone
Question 42Single Answer
Which country successfully launched the hypersonic cruise missile named ROCKS ?
A
China
B
Russia
C
India
D
United States
Question 43Single Answer
The United Nations a plan to combat climate change and biodiversity loss, What is this plan called ?
A
The Paris Agreement
B
The Global Framework for Nature and People
C
The Kyoto Protocol 2.0
D
The Sustainable Development Goals (SDGs) Expansion
Question 44Single Answer
Which cryptocurrency experienced a major price decline ?
A
Bitcoin
B
Ethereum
C
Both A and B
D
Neither A nor B
Question 45Single Answer
Which country legalized recreational cannabis use nationwide ?
A
Canada
B
Mexico
C
Australia
D
Netherlands
Question 46Single Answer
A archaeological discovery in Egypt unearthed a well - preserved tomb believed to belong to which pharaoh ?
A
Ramses II
B
Tutankhamun
C
Cleopatra
D
Hatshepsut
Question 47Single Answer
Which country's leader was elected President of the European Council ?
A
Germany
B
Portugal
C
France
D
Italy
Question 48Single Answer
India its first indigenous aircraft carrier, What is its name ?
A
INS Vikrant
B
INS Arihant
C
INS Kolkata
D
INS Gomati
Question 49Single Answer
The Dynamic Ground Water Resource Assessment Report is released by which ministry in India ?
A
Ministry of Health
B
Ministry of Education
C
Ministry of Jal Shakti
D
Ministry of Defence
Question 50Single Answer
What type of solar power plant was installed by Central Railway ?
A
Rooftop Solar
B
Concentrated Solar Power
C
Floating Solar
D
Solar Thermal Power
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Mechanical Engineering
Question 51Single 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 52Single 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 53Single 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 54Single 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 55Single 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 56Single 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 57Single Answer
The modern Francis turbine is a ___________flow turbine .
A
tangential
B
axial
C
radial
D
mixed
Question 58Single Answer
Variation of stress with strain rate for a Newtonian fluid is ______ .
A
hyperbolic
B
linear
C
elliptical
D
parabolic
Question 59Single Answer
Which of the following is NOT a part of refrigeration systems ?
A
Turbine
B
Evaporator
C
Compressor
D
Condenser
Question 60Single Answer
Which of the following is NOT an intensive property ?
A
Temperature
B
Total volume
C
Pressure
D
Density
Question 61Single Answer
Which of the following does NOT represent a unit of viscosity ?
A
Stoke
B
Poise
C
m²/sec
D
N-m/sec
Question 62Single Answer
__________ in the fuel is oxidised during knocking .
A
Hydrocarbon
B
Phosphorous
C
Water
D
Coal
Question 63Single 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 64Single Answer
Draught is produced in locomotive boilers by which of the following components ?
A
Locomotive
B
Steam jet
C
Centrifugal fan
D
Chimney
Question 65Single 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 66Single 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 67Single Answer
________ is useful for measuring flow of a conducting fluid .
A
Orifice meter
B
Rotameter
C
Vane meter
D
Electro-magnetic flow meter
Question 68Single Answer
A two- stroke engine consists of ________ port (s)
A
Three
B
Four
C
One
D
Two
Question 69Single Answer
Air Cooling is mostly preferred for _________ .
A
heavy truck
B
buses
C
moto cycles
D
multi-utility vehicles
Question 70Single Answer
_______ valves are provided in reciprocating compressors .
A
Simply supported
B
Solenoid
C
Plate
D
Poppet
Question 71Single Answer
Benson boiler have ______ water drum (s)
A
One
B
Zero
C
Three
D
Two
Question 72Single Answer
_________ is used for pumping water into a boilers .
A
Economiser
B
Duplex pump
C
Feed pump
D
Rotor
Question 73Single 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 74Single 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 75Single 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 76Single 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 77Single 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 78Single 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 79Single Answer
The reversed ______ cycle employed for passenger aircraft systems .
A
Carnot
B
Atkinson
C
Ericsson
D
Brayton
Question 80Single 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 81Single 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 82Single 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 83Single Answer
Where is air cycle refrigeration commonly used ?
A
Domestic refrigerator
B
Cold storage
C
Aircraft conditioning
D
Car air conditioning
Question 84Single Answer
________, is not a water tube boiler .
A
Benson boiler
B
Babcock-Wilcox boiler
C
Stirling boiler
D
Scotch marine
Question 85Single Answer
Stoke is another unit of -
A
kinematic viscosityy
B
velocity gradient
C
Shear stress
D
dynamic viscosit
Question 86Single 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 87Single 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 88Single 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 89Single Answer
______ falls under the category of a water tube boiler .
A
Locomotive boiler
B
Lancashire boiler
C
Cornish boiler
D
LaMont boiler
Question 90Single Answer
Chaplets are used in ________ .
A
forging
B
casting
C
welding
D
extrusion
Question 91Single Answer
Which of the following is NOT a unit of pressure ?
A
Pa
B
Bar
C
N/m²
D
Joule
Question 92Single Answer
What was the first refrigerant used in continuous refrigeration system ?
A
Ammonia
B
Water
C
Air
D
Carbon dioxide
Question 93Single 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 94Single 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 95Single Answer
In the Rankine cycle, the fluid which enters the boiler is :
A
water
B
steam
C
mercury
D
oxygen
Question 96Single Answer
Percentage elongating measured during tensile testing indicates _____ .
A
malleability
B
fatigue strength
C
creep
D
ductility
Question 97Single Answer
For a given centrifugal pump, discharge varies _______ with speed .
A
fifth power of
B
linearly
C
inversely
D
square root of
Question 98Single 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 99Single 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 100Single Answer
Any change in entropy could be achieved by changing______ .
A
velocity
B
heat
C
acceleration
D
mass
Question 101Single Answer
Smoke emitting from a lighted cigarette represents ________ .
A
point
B
pathline
C
streakline
D
streamline
Question 102Single Answer
The splash system is NOT used to lubricate _______ .
A
tappets
B
camshafts
C
gear teeth and roller bearings
D
piston rings
Question 103Single 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 104Single 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 105Single Answer
Which of the following is NOT a part of Rankine cycle ?
A
Pump
B
Compressor
C
Boiler
D
Turbine
Question 106Single 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 107Single 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 108Single 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 109Single Answer
If the oil viscosity increased, then the wear loss _________ .
A
increases
B
becomes zero
C
decreases
D
remains the same
Question 110Single Answer
Impact load is an example of :
A
uniform load
B
static load
C
dynamic load
D
fatigue load
Question 111Single Answer
Internal energy associated with kinetic energy of molecules is ______ .
A
latent energy
B
nuclear energy
C
sensible energy
D
chemical energy
Question 112Single 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 113Single 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 114Single 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 115Single 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 116Single 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 117Single Answer
viscous forces are NOT available in _______ .
A
laminar flow
B
irrational flow
C
rotational flow
D
transitional flow
Question 118Single Answer
Which of the following is the most widely used fuel in boilers ?
A
Pulverised coal
B
Wood
C
Oil
D
Anthracite coal
Question 119Single 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 120Single 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 121Single 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 122Single 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 123Single 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 124Single Answer
The tendency of material to fracture without appreciable deformation is called ______ .
A
stiffness
B
plasticity
C
toughness
D
brittlensess
Question 125Single Answer
Lancashire boiler has ______ flue tube(s), whereas Cornish boiler has _____ flue tube (s) .
A
3 ; 2
B
2; 2
C
2; 1
D
1; 2
Question 126Single Answer
The maximum temperature in case of internal combustion engines is obtained at ______ .
A
end of the compression process
B
end of the expansion process
C
start of the compression process
D
start of the expansion process
Question 127Single Answer
The moisture content o steam at the turbine exit of a steam power plant operating on the Rankine cycle can be decreased by :
A
increasing boiler pressure
B
super cooling steam
C
decreasing boiler pressure
D
reheating steam
Question 128Single Answer
Which of the following is NOT a non-ferrous alloy ?
A
Stainless steel
B
Magnesium
C
Titanium
D
Aluminium
Question 129Single Answer
The flow is volute casing outside the rotating impeller of a centrifugal pump is :
A
forced vortex flow
B
radial flow
C
free vortex flow
D
axial flow
Question 130Single Answer
The compression ratio in ideal air standard cycles is the ratio of :
A
minimum pressure to maximum pressure
B
minimum volume to maximum volume
C
maximum pressure to minimum pressure
D
maximum volume to minimum volume
Question 131Single Answer
Two stroke engine consist of a combined process of _____ in a single stroke .
A
compression and expansion
B
suction and compression
C
suction and expansion
D
suction and exhaust
Question 132Single Answer
The density of fluid does NOT affect the working of ______ .
A
an electro-magnetic flow meter
B
a nozzle meter
C
a rotameter
D
an orifice meter
Question 133Single Answer
Which of the following processes is NOT part of an ideal Otto cycle ?
A
Isentropic expansion
B
Heat addition at constant volume
C
Isentropic compression
D
Heat addition at constant pressure
Question 134Single Answer
In which of the following types of compressors are the motor and compressor enclosed in the same housing ?
A
Open-type compressor
B
Hermetic compressor
C
Reciprocating compressor
D
Axial flow type compressor
Question 135Single Answer
An oil of specific gravity 0.7 is stored in a closed tank up to a height of 2m. What will be the gauge pressure at the bottom of the tank ?
A
0.14 MPa
B
1.4 MPa
C
0.014 MPa
D
14 MPa
Question 136Single Answer
If there is no change in pressure at any point of the system with time, then the system is said to be in :
A
chemical equilibrium
B
mechanical equilibrium
C
Phase equilibrium
D
thermal equilibrium
Question 137Single Answer
If Valve of dryness fraction is 0, it indicates that working fluid is at ______ .
A
Compressed liquid
B
Saturated liquid
C
saturated vapour
D
supreheated vapour
Question 138Single Answer
In the context of roto-dynamic machines, which of the following statements is correct ?
A
There will be a relative motion between the rotor vanes and the fluid
B
Linear momentum is the normal to the stator
C
Linear momentum is the direction normal to the rotor
D
While flowing through the stator. linear momentum changes
Question 139Single Answer
When two elements of a pair are connected such that they can only turn about a fixed axis of another element, they are called _______ .
A
a turning pair
B
a screw pair
C
a spherical pair
D
a sliding pair
Question 140Single Answer
In high-speed aircrafts flying at high altitudes, why is cooling of the cabin required even temperature outside is very low ?
A
Since outside pressure is very high
B
Due to absence of solar radiation
C
To improve fuel efficiency
D
Due to large internal heat generation
Question 141Single Answer
Fusible plug is generally made up of an alloy (gunmetal) which consists of copper, tin and _______ .
A
cast iron
B
zinc
C
aluminium
D
manganese
Question 142Single Answer
In the context of laminar flow, which of the following statement sis the most appropriate ?
A
Laminar flow is observed in high viscous fluids at low velocity
B
There will be an exchange of momentum from fluid particles of one layer of another layer
C
Flow is always through small tanks
D
Particles move in turbulent order
Question 143Single Answer
Which of the following statements is more relevant in the context ?
A
If center of gravity is below the centre of buoyancy, the body is unstable
B
Metacentric height is positive in case of unstable equilibrium
C
The centre of buoyancy in a submerged boy remains
D
When the body is fully submerged, shape of he displaced fluid alters when the body is tilted
Question 144Single Answer
Determinate the COP (coefficient of performance) of a heat pump if the rate of heat rejected is 360 kJ/min and power supplied is 2 kW .
A
4
B
2
C
3
D
1
Question 145Single Answer
Define free-body diagram
A
A figure that represent external forces acting on a body
B
A diagram that represents internal forces acting on a body
C
A free-hand sketch representing a body
D
A diagram that only represents moments acting on a body
Question 146Single Answer
A ball and socket joint is an example of a ________pair .
A
turning
B
screw
C
rolling
D
spherical
Question 147Single Answer
From among the given options, Poisson's ration is the highest for :
A
iron
B
wood
C
copper
D
rubber
Question 148Single Answer
What is ductility in steel ?
A
Ratio of ultimate stress to yield stress
B
Stress at yield stress
C
Amount of strain a material can withstand before fracture
D
Ratio of change in length to original length
Question 149Single Answer
If the gauge pressure of air in a cylinder is 250 kPa, then it's absolute pressure will be _______ .
A
50 kPa
B
150 kPa
C
350 kPa
D
450 kPa
Question 150Single Answer
Flow velocity at the throat of a converging-diverging nozzle is ______, when designed for maximum discharge .
