BHEL ::Company Profile
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Bharat Heavy Electricals Limited(BHEL) is one of India's largest Public Sector Undertakings (PSUs).It has got the coveted Navratna status(the nine jewels').BHEL concentrates on gas and steam turbine manufacturing.
Founded in the late 1950s, BHEL is today a key player in the power sector through the construction, commissioning and servicing of power plants all over the world. BHEL has around 14 manufacturing divisions, four power sector regional centres, over 100 project sites, eight service centres and 18 regional offices.
BHEL offers over a wide spectrum of products and services for core sectors including power generation, transmission and distribution; transportation; and oil and gas, as well as the supply of non-conventional energy systems.Over 65 percent of power generated in India comes from BHEL-supplied equipment.

Main manufacturing facilities

Bhopal (Madhya Pradesh)
Haridwar (Uttarakhand)
Hyderabad (Andhra Pradesh)
Jhansi (Uttar Pradesh)
Tiruchirapalli(Tamil Nadu)
Ranipet (Tamil Nadu)
Bangalore (Karnataka)
Jagdishpur (Uttar Pradesh

SELECTION PROCESS
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Shortlisting of Application Forms based on Academic marks.
All India Level Written Entrance(Objective Test).
Personnal Interview.

SAMPLE WRITTEN PAPER 1
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The ratio of two specific heats of air is equal to?
1.41
A perfect gas at 270C is heated at constant pressure till its volume is double. The final temperature is ____?
3270C
An engine operates between temperature of 9000K and T2 and another engine between T2 and 8000K. For both to do equal work, value of T2 will be. =______?
6500K
Internal energy of a substance depends on ____?
Temperature
Work done in compressing 1kg of gas adiabatically from p1,V1,T1 to p2, V2, T2 is equal to ____?
Cv(T2-T1)
The unit of entropy is ____?
Indicated power of a 4-stroke engine is equal to ____?
Which of the following is not an internal combustion engine ?
a) 2 stroke petrol engine
b)4 stroke petrol engine
c) Diesel engine
d) steam engine
e) Gas turbine.
If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the
a) exhaust will be smoky
b) piston rings would stick into piston grooves
c) exhaust temperature will be high
d) engine starts overheating
e) all of the above.
Ans:(e)
The spark plug gap is normally maintained at____mm?
0.45 to 0.6mm
A distributor in spark ignition engines performs the function of ____?
Providing the correct firing order in engine
Which of the following does not relate to C.I. engine:
a) fuel pump b) fuel injector c) governor d) carburetor e) flywheel
Ans (d)
Air fuel ratio in a jet engine is ____?60:1
In domestic refrigerator, the tubes at the back of the refrigerator are:
a) evaporator b) condenser c) capillary tubes
Which refrigerants has the highest critical point temperature?
Freon-11
Wet bulb temperature is.
Ans: indication of amount of moisture in air
On psychrometric chart, dry bulb temperature lines are____?
Vertical
Surface tension has the units. =____?
newtons/m
The line of action of the buoyant force acts through ____?
centroid of the displaced volume of fluid
A pressure of 25m of head of water is equal to. ____?
245 kN/m2
For a submerged body to be in stable equilibrium, the centre of gravity should be. through____?
Below the centre of buoyancy.
The actual velocity at vena contracta for flow through an orifice from a reservoir of height H____?
A body weighing 2kg in air weights 2.5kg when submerged in water. Its specific gravity is. ____?
In a free vortex motion::
Ans :each particle moves in a circular path with a speed varying inversely as the distance from the centre.
A centrifugal pump has speed-1000rpm, Flow-1200l.p.m, Head-20m, Power-5H.P. If its speed is increased to 1500rpm, new flow will be ____? 1800l.p.m
Runaway speed of a hydraulic turbine is: =
Ans: the speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open.
M.I. of a circular area about an axis perpendicular to the area is____?
ƒÎr4/2
A projectile is fired at an angle Į to the vertical. Its horizontal range will be maximum when Į is ____?
45
An elevator weighing 1000kg attains an upward velocity of 4m/sec in two seconds with uniform acceleration. The tension in the supporting cables will be ____?
1200kg.
A 13m ladder is placed against a smooth vertical wall with its lower end 5m from the wall. What should be the co-efficient of friction between ladder and floor so that it remains in equilibrium?
0.21
A car is moving with a velocity of 60km/hr and possesses energy of 5x105 joules. The mass of the car will be ____?
3000kg.
If l is the span of a light suspension bridge whose each cable carries total weight (w) and the central diop is y, the horizontal pull at each support is____?
wl/y
A beam of length l, having uniform load w kg/unit length is supported freely at the ends. The moments at mid span will be ____?
wl2/8.
A boiler shell 200cm dia and plate thickness 1.5cm is subjected to internal pressure of 1.5MN/m2, then the hoop stress will be. ____?
100N/m2
100KW is to be transmitted by each of two separate shafts. A is turning at 250rpm and B at 300rpm. Which shaft must have greater diameter.?
B
Two identical leaf springs of spring constant k are arranged like cantilevers in parallel and attached at free end by a spring of spring constant k. The equivalent spring constant of combination is; = 1.5k.
Automobile steering gear is an example of ____?
lower pair.
The type of coupling used to join two shafts whose axes are neither in same straight line nor parallel, but intersect is. ____?
Universal coupling.
To transmit power from one rotation shaft to another whose axes are neither parallel nor intersecting, use____?
Spiral gear.
A gear having 100 teeth is fixed and another gear having 25 teeth revolves around it, the centre lines of both gears being joined by an arm. How many revolutions will be made by gear of 25 teeth for one revolution of arm. ____?
5 rev.
The secondary critical speed of a shaft occurs at: = twice the speed of primary critical speed.
Brittle coating technique is used for____?
experimental stress analysis.
Factor of safety is the ratio of ____?
yield stress/working stress.
Type of gear used for non-intersection perpendicular shafts____?
Hypoid gears.
Corrosion resistance of steel is increased by adding____?
Chromium & Nickel
The product of Cupola is called____?
cast iron
Brinell tester uses a hardness steel ball of size____?
10mm
Sintered and tungsten carbides can be machined by____?
EDM
What kind of abrasive cut off wheel should be used to cut concrete, stone and masonry? Diamond grit.
In break-even analysis, total cost consists of ____?
Fixed cost + Variable cost.
The amount deducted from the salary of workers towards employees provident fund is ____?
deposited in the account of worker with Provident Fund Commissioner.
PERT is____?event oriented technique
Bar charts are suitable for____?
Electron volt is the unit of ____?Energy.
Seamless tubes are made by____?
.
Why DC current is not used in transformer?
What is the purpose of draft tube in hydraulic turbines?
to convert the kinetic energy into pressure energy.
A mass of 100kg is falling from a height of 1m and penetrates the sand to 1m. what is the resistance force of the sand?
Two cars travel in the same direction at 40km/hr at a regular distance. A car comes in the opposite direction at 60km/hr. It meets each car in a gap of 8 seconds. What is the distance between the two cars?